Bendix™ VORAD® Collision Warning System Troubleshooting Guide Bendix™ VORAD® Collision Warning System BW2849 (Formerly VOTS0030) December 2011 EVT-300
Fault Isolation Procedures General Warnings Before starting a vehicle: Suggested Tools NEXIQ Technologies 1-800-639-6774 www.NEXIQ.com 1. Sit in the driver’s seat. Part No. Description 2. Place the vehicle in neutral. 104004 Pro-Link GRAPHIQ™ 3. Set the parking brake. 208040 Multi-Protocol Cartridge (MPC) 4. Disengage the clutch.
Table of Contents Diagnostic Procedure ........................................................ 1-1 Fault Code Retrieval and Clearing ..................................... 1-2 Fault Code Isolation Procedure Index................................ 1-3 Driving Techniques ............................................................ 1-4 Symptom-Driven Index ...................................................... 1-7 Section 2: Fault Isolation Procedures Pretests Electrical Pretest ...............................
Fault Isolation Procedures Diagnostic Procedure Follow the flowchart below for all Bendix™ VORAD® system failures. Perform tests and procedures as directed by the flowchart. Key On Is the Driver Display Unit lamp lit? (For Freightliner IDI, skip this step.
Fault Isolation Procedures Fault Code Retrieval and Clearing RETRIEVING FAULT CODES Note: Retrieve Bendix™ VORAD® system fault codes by enabling the VORAD system’s self-diagnostic mode. You can also use a PC-based Service Tool, such as ServiceRanger 2.8, or a Pro-Link tool, to retrieve VORAD system fault codes. Put the vehicle in neutral. 2. Set the parking brake. 3. To activate Failure Display Mode, press in and hold the Driver Display Unit “VOLUME” knob while turning the key on. 1.
Fault Isolation Procedures Fault Code Isolation Procedure Index Hand-Held Codes Fault Codes SID FMI Description Type of Code Page Number 11, 12 254 4,12 Central Processing Unit Component 2 - 19 13, 34 9 2,4,5,12 Driver Display Unit Component 2 - 21 14, 35 1,2 2,12,14 Antenna Assembly Component 2 - 29 15 10 2 Right Side Sensor Component 2 - 37 16 11 2 Left Side Sensor Component 2 - 43 21 7 2 Right Turn Signal Component 2 - 49 22 8 2 Left Turn Signal Component
Fault Isolation Procedures Driving Techniques Hand-Held Codes SID FMI Description Type of Code Driving Technique 11, 12 254 4,12 Central Processing Unit Component Key on. If the fault is present, the system should automatically detect the problem and set the code. If the fault is not present at key on, operate the vehicle and attempt to duplicate the driving conditions that triggered the fault code. Possible triggers include heat and vibration.
Fault Isolation Procedures Hand-Held Codes Fault Codes SID FMI Description Type of Code Driving Technique 21 7 2 Right Turn Signal System Key on. If the fault is present, the system should automatically detect the problem and set the code. If the fault is not present at key on, operate the vehicle and attempt to duplicate the driving conditions that triggered the fault code. Possible triggers include heat and vibration. 22 8 2 Left Turn Signal System Key on.
Fault Isolation Procedures Hand-Held Codes Fault Codes SID FMI Description 31 250 2 J-1587 Data Link Signal System Key on. If the fault is present, the system should automatically detect the problem and set the code. If the fault is not present at key on, operate the vehicle and attempt to duplicate the driving conditions that triggered the fault code. Possible triggers include heat, vibration, and varying levels of throttle demand. It may take up to 75 seconds to set this fault.
Fault Isolation Procedures Symptom-Driving Index Symptom Isolation Procedure Page Number Antenna Not Detecting Targets Antenna Not Detecting Targets 3-1 Side Sensor Not Detecting Targets Side Sensor Not Detecting Targets 3-3 Driver Card Not Reading Driver Card Not Reading 3 - 11 1-7
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Fault Isolation Procedures Electrical Pretest Overview Required Tools The pretest does not relate to any specific fault code, but must be completed before performing Fault Code Isolation Table procedures. The pretest verifies the basic electrical inputs before testing individual circuits. Detection Basic Hand Tools • Digital Volt/Ohm Meter • Troubleshooting Guide Possible Causes There is no detection process specifically for the basic electrical supply.
Fault Isolation Procedures Electrical Pretest Step A Procedure Condition Action 1. Key off. 2. Inspect starter/battery connections for integrity. 3. Measure voltage across battery. If voltage is 11 to 13 volts on a 12 volt system or 22 to 26 on a 24 volt system If voltage is outside of range Go to Step B. Repair or replace batteries and charging system as required. Repeat this step.
Fault Isolation Procedures Electrical Pretest, continued Step B Procedure Condition Action 1. Key off. 2. Disconnect negative (-) battery cable. 3. Disconnect 32-way connector from Central Processing Unit. 4. Measure resistance between 32-way connector pin C-2 and ground. D If resistance is 0 to .5 ohms Go to Step C. If resistance is outside of range Repair ground path for Bendix™ VORAD® system. Go to Step A.
Fault Isolation Procedures Electrical Pretest, continued Step C Procedure Condition Action 1. Key off. 2. Connect negative (-) battery cable. 3. Key on. 4. Measure voltage between 32-way connector pin C-1 and C-2. D If voltage is within .6 volts of battery voltage Test complete. If voltage is outside of range Repair power path for Bendix™ VORAD® system. Fuse may be blown. Reconnect all connectors. Go to Step A.
Fault Isolation Procedures Power-Up Sequence Test Overview Required Tools A failure during the power-up self-check indicates a failure of the Central Processing Unit. Detection The power-up self-check is performed automatically each time the key is turned on. Turn the key on and watch the Driver Display Unit. If lights on the Driver Display Unit remain on after 15 seconds, or never come on, the self-check has failed. NOTE: Not applicable for Freightliner IDI (Integrated Dash Interface).
Fault Isolation Procedures Power-Up Sequence Test Step A Procedure Condition Action 1. Before performing this test, the Electrical Pretest must pass. 2. Key on. 3. Observe the Driver Display Unit. If lights turn on the go off after approximately 15 seconds Test complete. Note: Not applicable for Freightliner IDI Step B If lights fail to turn on Go to Step B. If lights turn on and stay on Go to Step C. Procedure Condition Action 1. Key on. 2.
Fault Isolation Procedures Power-Up Sequence Test, continued Step C Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin D3 and Driver Display 4-way connector pin D. If resistance between D3 and pin D is 0 to .3 ohms and if resistance between pin D3 and ground is more than 10K ohms or open circuit [OL] Go to Step D.
Fault Isolation Procedures Power-Up Sequence Test, continued Step D Procedure Condition Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin D4 and Driver Display 4-way connector pin C. If resistance between pin D4 and pin C is 0 to .3 ohms and if resistance between pin D4 and ground is more than 10K ohms or open circuit [OL] Go to Step E.
Fault Isolation Procedures Power-Up Sequence Test, continued Step E Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin D5 and Driver Display 4-way connector pin B. If resistance between pin D5 and pin B is 0 to .3 ohms and if resistance between pin D5 and ground is more than 10K ohms or open circuit [OL] Go to Step F.
Fault Isolation Procedures Power-Up Sequence Test, continued Step F Procedure Condition Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin D6 and Driver Display 4-way connector pin A. If resistance between pin D6 and pin A is 0 to .3 ohms and if resistance between pin D6 and ground is more than 10K ohms or open circuit [OL] Go to Step G.
Fault Isolation Procedures Power-Up Sequence Test, continued Step G Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector and Front Antenna 4-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin C3 and Antenna 4-way connector pin 4. If resistance between pin C3 and pin 4 is 0 to .3 ohms and if resistance between pin C3 and ground is more than 10K ohms or open circuit [OL] Go to Step H.
Fault Isolation Procedures Power-Up Sequence Test, continued Step H Procedure Condition Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin C4 and Antenna 4-way connector pin 3. If resistance between pin C4 and pin 3 is 0 to .3 ohms and if resistance between pin C4 and ground is more than 10K ohms or open circuit [OL] Go to Step I. If any of the above conditions are not met Repair OEM wiring harness between Antenna and Central Processing Unit.
Fault Isolation Procedures Power-Up Sequence Test, continued Step I Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin C5 and Antenna 4-way connector pin 2. If resistance between pin C5 and pin 2 is 0 to .3 ohms and if resistance between pin C5 and ground is more than 10K ohms or open circuit [OL] Go to Step J.
Fault Isolation Procedures Power-Up Sequence Test, continued Step J Procedure Condition Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin C6 and Antenna 4-way connector pin 1. If resistance between pin C6 and pin 1 is 0 to .3 ohms and if resistance between pin C6 and ground is more than 10K ohms or open circuit [OL] Go to Step K. If any of the above conditions are not met Repair OEM wiring harness between Antenna and Central Processing Unit.
Fault Isolation Procedures Power-Up Sequence Test, continued Step K Procedure Condition Action 1. Key off. 2. Reconnect Central Processing Unit 32-way connector. 3. Connect spare Front Antenna to 4-way connector. 4. Key on. 5. Check error codes. 2-15 If no error codes Replace Antenna. Go to Step V. If error codes Replace Central Processing Unit. Go to Step L.
Fault Isolation Procedures Power-Up Sequence Test, continued Step L Procedure Condition Action 1. Key off. 2. Connect spare Driver Display to 4-way connector. 3. Key on. 4. Check error codes. If no error codes Replace Driver Display Unit. Go to Step V. If error codes Go to Step A. Find error in testing.
Fault Isolation Procedures Power-Up Sequence Test, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 2. 5. Use Driving Techniques to attempt to set a code. See “Driving Techniques” on page 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 2. Note: If problem still exists there may be a software compatibility problem. Contact your Bendix representative.
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Fault Isolation Procedures Component Code: 11, 12 (SID 254, FMI 4, 12) Central Processing Unit (CPU) Overview This fault indicates an internal failure of the Central Processing Unit. Detection The Central Processing Unit checks the program memory every time the key is turned on. If the Central Processing Unit is able to detect a failure within its own memory, it sets these fault codes.
Fault Isolation Procedures Code 11, 12 (SID 254, FMI 4, 12), Central Processing Unit (CPU) Step A Procedure Condition Action 1. Key off. 2. Retrieve codes. If code 11 is active Replace Central Processing Unit. If code 11 is inactive Test complete.
Fault Isolation Procedures Component Code: 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit Overview Required Tools This fault code indicates an electrical failure of the Driver Display Unit. Detection • Basic Hand Tools • Troubleshooting Guide • Digital Volt/Ohm Meter • Data Link Tester • PC-based or Hand-held Diagnostic Tool Starting at key on and throughout the operation, the Central Processing Unit constantly monitors the communication with the Driver Display Unit.
Fault Isolation Procedures Step A Procedure Condition Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit Action 1. Key off. 2. Using a PC-based or Hand-held Diagnostic Tool check for FMI (Failure Mode Identifiers) codes. Note: If a diagnostic tool is not available, go to Step B. Step B Procedure If FMI 2, 4, or 5 exist Go to Step B. If FMI 12 exists Replace Driver Display Unit. Go to Step V. Condition Action 1. Key off. 2.
Fault Isolation Procedures Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit, continued Step C Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin D3 and Driver Display 4-way connector pin D. • Central Processing Unit 32-way connector pin D3 and ground. If resistance between D3 and D is 0 to .
Fault Isolation Procedures Step D Procedure Condition Code 13, 34 (SID 9, FMI 2, 4, 5,12) Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit, continued Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin D4 and Driver Display 4-way connector pin C. • Central Processing Unit 32-way connector pin D4 and ground. If resistance between pin D4 and pin C is 0 to .
Fault Isolation Procedures Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit, continued Step E Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin D5 and Driver Display 4-way connector pin B. • Central Processing Unit 32-way connector pin D5 and ground. If resistance between pin D5 and pin B is 0 to .
Fault Isolation Procedures Step F Procedure Condition Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit, continued Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin D6 and Driver Display 4-way connector pin A. • Central Processing Unit pin D6 and ground. D If resistance between pin D6 and pin A is 0 to .
Fault Isolation Procedures Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit, continued Step G Procedure Condition Action 1. Key off. 2. Reconnect Central Processing Unit 32-way connector. 3. Connect spare Driver Display to 4-way connector. 4. Key on. 5. Check error codes. 2-27 If no error codes Replace Driver Display Unit. Go to Step V. If error codes Replace Central Processing Unit. Go to Step V.
Fault Isolation Procedures Step V Procedure Condition Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit, continued Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. If no codes Test complete.
Fault Isolation Procedures Component Code: 14, 35 (SID 1, 2, FMI 2, 12, 14) Antenna Assembly Overview Required Tools This fault code indicates the Antenna and Central Processing Unit are unable to communicate. Detection Starting at key on and throughout the operation, the Central Processing Unit constantly monitors the communication with the Antenna. If a communication fault occurs for more than 5 seconds, fault code 14 is set.
Fault Isolation Procedures Code 14, 35 (SID 1, 2, FMI 2, 12, 14) Antenna Step A Procedure Condition Action 1. Key off. 2. Using a PC-based or Hand-held Diagnostic Tool check for FMI (Failure Mode Identifier) codes. Step B Procedure Go to Step B. If FMI 12 exists Go to Step B. If FMI 14 exists There may be a software compatibility problem. Contact your Bendix representative. Condition Code 14, 35 (SID 1, 2, FMI 2, 12, 14) Note: If a diagnostic tool is not available, go to Step B.
Fault Isolation Procedures Code 14, 35 (SID 1, 2, FMI 2, 12, 14) Antenna, continued Step C Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin C3 and Antenna 4-way connector pin 4. If resistance between C3 and pin 4 is 0 to .3 ohms and if resistance between pin C3 and ground is more than 10K ohms or open circuit [OL] Go to Step D.
Fault Isolation Procedures Code 14, 35 (SID 1, 2, FMI 2, 12, 14) Antenna, continued Step D Procedure Condition Action 1. Key off. 2. Measure resistance between: If resistance between pin C4 and pin 3 is 0 to .3 ohms and if resistance between pin C4 and ground is more than 10K ohms or open circuit [OL] Replace Central Processing Unit. Go to Step V. If any of the above conditions are not met Repair OEM wiring harness between Antenna and Central Processing Unit. Go to Step V.
Fault Isolation Procedures Code 14, 35 (SID 1, 2, FMI 2, 12, 14) Antenna, continued Step E Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin C5 and Antenna 4-way connector pin 2. If resistance between pin C5 and pin 2 is 0 to .3 ohms and if resistance between pin C5 and ground is more than 10K ohms or open circuit [OL] Go to Step F.
Fault Isolation Procedures Code 14, 35 (SID 1, 2, FMI 2, 12, 14) Antenna, continued Step F Procedure Condition Action 1. Key off. 2. Measure resistance between: If resistance between pin C6 and pin 1 is 0 to .3 ohms and if resistance between pin C6 and ground is more than 10K ohms or open circuit [OL] Go to Step G. If any of the above conditions are not met Repair OEM wiring harness between Antenna and Central Processing Unit. Go to Step V.
Fault Isolation Procedures Code 14, 35 (SID 1, 2, FMI 2, 12, 14) Antenna, continued Step G Procedure Condition Action 1. Key off. 2. Reconnect Central Processing Unit 32-way connector. 3. Connect spare Antenna to 4-way connector. 4. Key on. 5. Check error codes. 2-35 If no error codes Replace Antenna. Go to Step V. If error codes Replace Central Processing Unit. Go to Step V.
Fault Isolation Procedures Code 14, 35 (SID 1, 2, FMI 2, 12, 14) Antenna, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. Code 14, 35 (SID 1, 2, FMI 2, 12, 14) 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2.
Fault Isolation Procedures Component Code: 15 (SID 10, FMI 2) Right Side Sensor Overview Required Tools This fault code indicates an electrical failure of the Right Side Sensor. Detection • Basic Hand Tools • Digital Volt/Ohm Meter • Troubleshooting Guide • PC-based or Hand-held Diagnostic Tool Starting at key on and throughout the operation, the Central Processing Unit constantly monitors the feedback from the Right Side Sensor.
Fault Isolation Procedures Code 15 (SID 10, FMI 2) Right Side Sensor Step A Procedure Condition Action 1. Key off. 2. Is vehicle equipped with a Right Side Sensor? Step B If the vehicle has a Right Side Sensor Go to Step B. If the vehicle does not have a Right Side Sensor The Central Processing Unit has been programmed for a Right Side Sensor. With a PC-based or Hand-held Diagnostic Tool, place the Right Side Sensor option in “NO” position. Go to Step V. Procedure Condition Action 1. Key off.
Fault Isolation Procedures Code 15 (SID 10, FMI 2) Right Side Sensor, continued Step C Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • 32-way pin C12 and 3-way pin C. • 32-way pin C12 and ground. If resistance between C12 and pin C is 0 to 0.3 ohms and if resistance between pin C12 and ground is more than 10K ohms or open circuit [OL] Go to Step D.
Fault Isolation Procedures Code 15 (SID 10, FMI 2) Right Side Sensor, continued Step D Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • 32-way pin C13 and 3-way pin B. • 32-way pin C13 and ground. If resistance between pin C13 and pin B is 0 to 0.3 ohms and if resistance between pin C13 and ground is more than 10K ohms or open circuit [OL] Go to Step E.
Fault Isolation Procedures Code 15 (SID 10, FMI 2) Right Side Sensor, continued Step E Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • 32-way pin C14 and 3-way pin A. • 32-way pin C14 and ground. If resistance between C14 and pin A is 0 to 0.3 ohms and if resistance between pin C14 and ground is more than 10K ohms or open circuit [OL] Replace Central processing Unit. Go to Step V.
Fault Isolation Procedures Code 15 (SID 10, FMI 2) Right Side Sensor, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. Test complete. If code 15 appears Return to Step A to find error in testing.
Fault Isolation Procedures Component Code: 16 (SID 11, FMI 2) Left Side Sensor Overview Required Tools This fault code indicates an electrical failure of the Left Side Sensor. • Basic Hand Tools Detection • Digital Volt/Ohm Meter Starting at key on and throughout the operation, the Central Processing Unit constantly monitors the feedback from the Left Side Sensor.
Fault Isolation Procedures Code 16 (SID 11, FMI 2) Left Side Sensor Step A Procedure Condition Action 1. Key off. 2. Is vehicle equipped with a Left Side Sensor? Step B If the vehicle has a Left Side Sensor Go to Step B. If the vehicle does not have a Left Side Sensor The Central Processing Unit has been programmed for a Left Side Sensor. With a PC-based or Hand-held Diagnostic Tool, place the Left Side Sensor option in “NO” position. Go to Step V. Procedure Condition Action 1. Key off. 2.
Fault Isolation Procedures Code 16 (SID 11, FMI 2) Left Side Sensor, continued Step C Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • 32-way pin D12 and 3-way pin C. • 32-way pin D12 and ground. If resistance between D12 and pin C is 0 to 0.3 ohms and if resistance between pin D12 and ground is more than 10K ohms or open circuit [OL] Go to Step D.
Fault Isolation Procedures Code 16 (SID 11, FMI 2) Left Side Sensor, continued Step D Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • 32-way pin D13 and 3-way pin B. • 32-way pin D13 and ground. If resistance between D13 and pin B is 0 to 0.3 ohms and if resistance between pin D13 and ground is more than 10K ohms or open circuit [OL] Go to Step E.
Fault Isolation Procedures Code 16 (SID 11, FMI 2) Left Side Sensor, continued Step E Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • 32-way pin D14 and 3-way pin A. • 32-way pin D14 and ground. If resistance between D14 and pin A is 0 to 0.3 ohms and if resistance between pin D14 and ground is more than 10K ohms or open circuit [OL] Replace Central Processing Unit. Go to Step V.
Fault Isolation Procedures Code 16 (SID 11, FMI 2) Left Side Sensor, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. If no codes Test complete. If code 16 appears Return to Step A to find error in testing.
Fault Isolation Procedures Component Code: 21 (SID 7, FMI 2) Right Turn Signal Overview Required Tools This fault code indicates an electrical problem in the right turn signal input. The input from the right turn signal did not match the current operating conditions. • Basic Hand Tools • Digital Volt/Ohm Meter • Troubleshooting Guide Detection Starting at key on and throughout the operation, the Central Processing Unit constantly monitors the feedback from the right turn signal.
Fault Isolation Procedures Code 21 (SID 7, FMI 2) Right Turn Signal Step A Procedure Condition Action 1. Key off. 2. Is the vehicle equipped with a Right Side Sensor? Step B Procedure If equipped with a Right Side Sensor Go to Step B. If not equipped with a Right Side Sensor The Central Processing Unit has been programmed for a Right Side Sensor. With a PC-based or Hand-held Diagnostic Tool, place the Right Side Sensor option in “NO” position. Go to Step V. Condition Action 1. Key off. 2.
Fault Isolation Procedures Code 21 (SID 7, FMI 2) Right Turn Signal, continued Step C Procedure Condition Action 1. Key off. 2. Turn on right turn signal. 3. Measure voltage between Central Processing Unit 32-way connector pins C2 and C15. If voltage flashes within 2 volts of battery voltage Replace Central Processing Unit. Go to Step V. If voltage is outside of range Repair OEM wiring harness as required. Go to Step V.
Fault Isolation Procedures Code 21 (SID 7, FMI 2) Right Turn Signal, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. If no codes Test complete. If code 21 appears Return to Step A to find error in testing.
Fault Isolation Procedures Component Code: 22 (SID 8, FMI 2) Left Turn Signal Overview Required Tools This fault code indicates an electrical problem in the left turn signal input. The input from the left turn signal did not match the current operating conditions. Detection Starting at key on and throughout the operation, the Central Processing Unit constantly monitors the feedback from the left turn signal.
Fault Isolation Procedures Code 22 (SID 8, FMI 2) Left Turn Signal Procedure Condition Code 22 (SID 8, FMI 2) Step A Action 1. Key off. 2. Is the vehicle equipped with a Left Side Sensor? Step B Procedure If equipped with a Left Side Sensor Go to Step B. If not equipped with a Left Side Sensor The Central Processing Unit has been programmed for a Left Side Sensor. With a PC-based or Hand-held Diagnostic Tool, place the Left Side Sensor option in “NO” position. Go to Step V.
Fault Isolation Procedures Code 22 (SID 8, FMI 2) Left Turn Signal, continued Step C Procedure Condition Action 1. Key off. 2. Turn on left turn signal. 3. Measure voltage between Central Processing Unit 32-way connector pins D15 and C2. If voltage measures within 2 volts of battery voltage Replace Central Processing Unit. Go to Step V. If voltage is outside of range Repair OEM wiring harness as required. Go to Step V.
Fault Isolation Procedures Code 22 (SID 8, FMI 2) Left Turn Signal, continued Procedure Condition Code 22 (SID 8, FMI 2) Step V Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. If no codes Test complete.
Fault Isolation Procedures Component Code: 23 (SID 3, FMI 2) Brake Input Error Overview Required Tools This fault code indicates an electrical problem in the brake input. The signal from the bake pedal, J-1939, or J-1587 data link, did not match the current operating conditions. Detection Starting at key on and throughout the operation, the Bendix™ VORAD® system Central Processing Unit constantly measures this circuit.
Fault Isolation Procedures Code 23 (SID 3, FMI 2) Brake Input Error Step A Procedure Condition Action 1. Key off. 2. Verify the vehicle brake lights are working correctly. If the brake lights are working correctly Go to Step B. If the brake lights are not working correctly Repair vehicle brake lights. Go to Step V. Code 23 (SID 3, FMI 2) Step B Procedure 1. Using a PC-based or Hand-held Diagnostic Tool verify vehicle brake configuration.
Fault Isolation Procedures Code 23 (SID 3, FMI 2) Brake Input Error, continued Step C Procedure Condition Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Check pin C9 on 32-way connector. If there is a wire in C9 Go to Step D. If there is not a wire in C9 Go to Step E.
Fault Isolation Procedures Code 23 (SID 3, FMI 2) Brake Input Error, continued Step D Procedure Condition Action 1. Key off. 2. Depress brake pedal. 3. Measure voltage between Central Processing Unit pins C9 and C2. If voltage is within 1 volt of battery voltage Replace Central Processing Unit. Go to Step V. If voltage is outside of range Repair OEM wiring harness as necessary. Go to Step V.
Fault Isolation Procedures Code 23 (SID 3, FMI 2) Brake Input Error, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 2-61 If no codes appear Test complete.
Fault Isolation Procedures Code 23 (SID 3, FMI 2) Brake Input Error, continued Code 23 (SID 3, FMI 2) This page left blank intentionally.
Fault Isolation Procedures Component Code: 24 (SID 6, FMI 2) Speed Input Error Overview Required Tools This fault code indicates an electrical problem in the speed source. The signal from the road speed source did not match the current operating conditions. Detection Starting at key on and throughout the operation, the Central Processing Unit constantly monitors the feedback from the road speed source. If the feedback is out of range the fault code is set.
Fault Isolation Procedures Code 24 (SID 6, FMI 2) Speed Input Error Step A Procedure 1. Using a PC-based or Hand-held Diagnostic Tool verify vehicle speed configuration. Condition Action If configuration is set to Discrete Go to Step B. If vehicle uses J-1939 or J-1587 configuration Step B Procedure Repair OEM wiring harness. J-1587 or J-1939 data link may not be connected to the Bendix™ VORAD® system. Go to Step V. Condition Action 1. Key off.
Fault Isolation Procedures Code 24 (SID 6, FMI 2) Speed Input Error, continued Step C Procedure 1. Measure resistance between Central Processing Unit 32-way connector pin C10 and ground. Condition Action If resistance is more than 10K ohms or open circuit [OL] Replace Central Processing Unit. Go to Step V. If resistance is less than 10K ohms Go to Step D. D C OHMS 1 2 3 4 5 V COM A 6 7 8 9 10 11 GROUND 12 13 14 15 16 Step D Procedure Condition Action 1.
Fault Isolation Procedures Code 24 (SID 6, FMI 2) Speed Input Error, continued Step E Procedure 1. Measure resistance between speed sensor A and ground. Condition Action If resistance is more than 10K ohms or open circuit [OL] Repair the OEM wiring harness. Go to Step V. If resistance is less than 10K ohms Replace speed sensor. Go to Step V. OHMS A B V COM A GROUND Step V Procedure Condition Action 1. Key off. Code 24 (SID 6, FMI 2) 2. Reconnect all connectors. 3. Key on. 4.
Fault Isolation Procedures Component Code: 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error Overview Required Tools This fault code indicates that VORAD failed to communicate with the engine over the J-1939 data link. Detection Starting at key on and throughout the operation, the VORAD Central Processing Unit constantly monitors the communication with the engine ECU. If a communication fault occurs for more than 5 seconds, this fault is set.
Fault Isolation Procedures Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error Step A Procedure Condition Action 1. Key off. 2. Disconnect the VORAD Central Processing Unit 32-way connector. 3. Disconnect engine ECU connector which contains the J-1939 data link. 4. Measure resistance between: • Bendix™ VORAD® system Central Processing Unit 32-way connector pin D7 and engine ECU pin # (see engine OEM for pin location). • VORAD system Central Processing Unit 32-way pin D7 and ground.
Fault Isolation Procedures Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error, continued Step B Procedure Condition Action 1. Key off. 2. Measure resistance between: • The Bendix™ VORAD® system Central Processing Unit 32-way connector pin D8 and engine ECU pin # (see engine OEM for pin location). • VORAD system Central Processing Unit 32-way pin D8 and ground. D If resistance between pin D8 and engine ECU pin is 0 to .
Fault Isolation Procedures Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error, continued Step C Procedure Condition Action 1. Key off. 2. Measure resistance between the Bendix™ VORAD® system Central Processing Unit 32-way connector pin D9 and engine ECU pin # (see engine OEM for pin location). D If resistance between pin D9 and engine ECU pin is 0 to .3 ohms Go to Step D. (If working on a Mack engine, go to Step E.
Fault Isolation Procedures Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error, continued Step D Procedure Condition Action 1. Key off. 2. Measure resistance between the Bendix™ VORAD® system 32-way connector pin D7 and pin D8. Note: Make sure the volt/ohm meter is on the proper scale. (200 ohm scale) If resistance between pin D7 and pin D8 is between 50 to 70 ohms Go to Step E.
Fault Isolation Procedures Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error, continued Step E Procedure Condition Action 1. Key off. 2. Reconnect engine ECU connector. 3. Install spare Bendix™ VORAD® system EVT-300 CPU configured same as replaced unit. 4. Key on. If error codes Problem exists with the engine ECU. Repair according to manufacturer’s recommendations. Go to Step V. If no error codes Replace Central Processing Unit. Go to Step V.
Fault Isolation Procedures Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 2-73 If no codes appear Test complete.
Fault Isolation Procedures Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error, continued Code 25, 32 (SID 231, FMI 2, 12, 14) This page left blank intentionally.
Fault Isolation Procedures Component Code: 31 (SID 250, FMI 2) J-1587 Data Link Error Overview Required Tools This fault code indicates the Bendix™ VORAD® system failed to communicate with the engine over the J-1587 data link. Detection Starting at key on and throughout the operation, the VORAD Central Processing Unit constantly monitors the communication with the engine ECU. If a communication fault occurs for more than 2.5 seconds, this fault is set.
Fault Isolation Procedures Code 31 (SID 250, FMI 2) J-1587 Data Link Error Step A Procedure Condition Action 1. Key off. 2. Disconnect the Central Processing Unit 32-way connector. 3. Disconnect engine ECU connector which contains the J-1587 data link. 4. Measure resistance between: • Central Processing Unit 32-way connector pin C7 and engine ECU pin # (see engine OEM for pin location). If resistance between pin C7 and engine ECU pin is 0 to .
Fault Isolation Procedures Code 31 (SID 250, FMI 2) J-1587 Data Link Error, continued Step B Procedure Condition Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin C8 and engine ECU pin # (see engine OEM for pin location). If resistance between pin C8 and engine ECU pin is 0 to .3 ohms and if resistance between pin C8 and ground is more than 10K ohms or open circuit [OL] Go to Step C.
Fault Isolation Procedures Code 31 (SID 250, FMI 2) J-1587 Data Link Error, continued Step C Procedure Condition Action 1. Key off. 2. Reconnect Central Processing Unit 32-way connector. 3. Disconnect all data links to the vehicle diagnostic connector, leaving only the Bendix™ VORAD® system connected. 4. Connect the ServiceRanger 2 with RP1210 vehicle adapter to vehicle diagnostic connector. 5. Key on.
Fault Isolation Procedures Code 31 (SID 250, FMI 2) J-1587 Data Link Error, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 2-79 If no codes appear Test complete.
Fault Isolation Procedures Code 31 (SID 250, FMI 2) J-1587 Data Link Error, continued Code 31 (SID 250, FMI 2) This page left blank intentionally.
Fault Isolation Procedures Component Code: 33 (SID 248, FMI 12) VBUS Error Overview Required Tools This fault code indicates the Antenna, Central Processing Unit, and/or Driver Display Unit are unable to communicate. Detection Starting at key on and throughout the operation, the Central Processing Unit constantly monitors the communication with the Antenna and Driver Display Unit. If a communication fault occurs for more than 5 seconds, fault code 33 is set.
Fault Isolation Procedures Step A Procedure Condition Code 33 (SID 245, FMI 12) Code 33 (SID 248, FMI 12) VBUS Error Action 1. Key off. 2. Disconnect the Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin C5 and Antenna 4-way connector pin 2. • Central Processing Unit 32-way connector and pin C5 and ground. If resistance between pin C5 and pin 2 is 0 to .
Fault Isolation Procedures Code 33 (SID 248, FMI 12) VBUS Error, continued Step B Procedure Condition Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin C6 and Antenna 4-way connector pin 1. If resistance between pin C6 and pin 1 is 0 to .3 and if resistance between pin C6 and ground is more than 10K ohms or open circuit [OL] Go to Step C. If any of the above conditions are not met Repair OEM wiring harness between Antenna and Central Processing Unit.
Fault Isolation Procedures Step C Procedure Condition Code 33 (SID 248, FMI 12) Code 33 (SID 248, FMI 12) VBUS Error, continued Action 1. Key off. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • Central Processing Unit 32-way connector pin D5 and Driver Display 4-way connector pin B. If resistance between pin D5 and pin B is 0 to .3 ohms and if resistance between pin D5 and ground is more than 10K ohms or open circuit [OL] Go to Step C.
Fault Isolation Procedures Code 33 (SID 248, FMI 12) VBUS Error, continued Step D Procedure Condition Action 1. Key off. 2. Measure resistance between: • Central Processing Unit 32-way connector pin D6 and Driver Display 4-way connector pin A. If resistance between pin D6 and pin A is 0 to .
Fault Isolation Procedures Step V Procedure Condition Code 33 (SID 248, FMI 12) Code 33 (SID 248, FMI 12) VBUS Error, continued Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Clear Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. 5. Use Driving Techniques to attempt to reset the code. See “Driving Techniques” on page 1 - 4. 6. Check for Codes. See “Fault Code Retrieval and Clearing” on page 1 - 2. Note: If problem still exists there may be a software compatibility problem.
Symptom Isolation Procedures Antenna Not Detecting Targets Overview This symptom driven test is performed when the Bendix™ VORAD® system fails to detect objects properly. Detection Required Tools • The VORAD Central Processing Unit has no fault detection capability for this symptom. The symptom is observed by the driver when objects at 100 feet (30 m) or closer are not detected or no headway or detect light is observed.
Symptom Isolation Procedures Antenna Not Detecting Targets Step A Procedure 1. Align the Antenna using the Antenna Assembly Alignment Procedure in the Bendix™ VORAD® system Service Manual (BW2863). Step V Procedure 1. Key on. 2. Drive vehicle to determine whether the complaint has been repaired. Action Antenna is aligned properly Go to Step V. Antenna can not be aligned properly Replace Antenna. Go to Step A.
Fault Isolation Procedures Side Sensor Not Detecting Targets Overview This symptom driven test is performed when the Bendix™ VORAD® system fails to detect objects properly. Detection Required Tools • The VORAD Central Processing Unit has no fault detection capability for this symptom. The symptom is observed by the driver when objects at 2-10 feet (0.61-3 m) are not detected. The red light also illuminates when the side sensor has failed.
Fault Isolation Procedures Side Sensor Not Detecting Targets Step A Procedure Condition Action 1. Key on. 2. Using a PC-based or Hand-held Diagnostic Tool, confirm the vehicle is configured for a Left, Right, or Both Side Sensor(s). Step B Procedure If properly configured Go to Step B. If not properly configured Using a PC-based or Hand-held Diagnostic Tool, place the Side Sensor option(s) in the “yes” position. Go to Step V. Condition Action 1. Key on.
Symptom Isolation Procedures Side Sensor Not Detecting Targets, continued Step C Procedure Condition Action 1. Key on. 2. Disconnect 4-way connector at the Side Sensor Display. 3. Key on. 4. Measure voltage between pins 2 and 3. V 4 3 2 1 3-5 COM A If voltage between pins 2 and 3 is 7.0 to 7.5 volts Go to Step D. If voltage is outside of range Go to Step E.
Symptom Isolation Procedures Side Sensor Not Detecting Targets, continued Step D Procedure Condition Action 1. Key on. 2. Disconnect Central Processing Unit 32-way connector. 3. Measure resistance between: • 32-way pin C16 and 4-way pin 4. If resistance between C16 and pin 4 is 0 to 0.3 ohms Replace Side Sensor Display. Go to Step V. If resistance between C16 and ground is more than 10K ohms or open circuit [OL] Go to Step E.
Symptom Isolation Procedures Side Sensor Not Detecting Targets, continued Step E Procedure Condition Action 1. Key off. 2. Measure resistance between: • 32-way pin C14 and 4-way pin 3. If resistance between C14 and pin 3 is 0 to 0.3 ohms Go to Step V. If resistance between C14 and ground is more than 10K ohms or open circuit [OL] Go to Step F. If resistance is outside of range Repair OEM harness between Right Side Sensor Display and Central Processing Unit. Go to Step V.
Symptom Isolation Procedures Side Sensor Not Detecting Targets, continued Step F Procedure Condition Action 1. Key off. 2. Measure resistance between. • 32-way pin C12 and 4-way pin 2. If resistance between C12 and pin 2 is 0 to 0.3 ohms and • 32-way pin C12 and ground. If resistance between C12 and ground is more than 10K ohms or open circuit [OL] Replace the Central Processing Unit. Go to Step V.
Symptom Isolation Procedures Side Sensor Not Detecting Targets, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Drive vehicle to determine if all complaints have been corrected. 3-9 If complaint has been repaired Test complete. If complaint has not been repaired Return to Step A to find error in testing.
Symptom Isolation Procedures Side Sensor Not Detecting Targets, continued Side Sensor Detection Test This page left blank intentionally.
Symptom Isolation Procedures Driver Card Not Reading Overview This symptom driven test is performed when the Bendix™ VORAD® system fails to detect the Driver Card in the Driver Display Unit. Detection Required Tools • The VORAD Central Processing Unit will detect the Driver Card when placed in the Driver Display Unit. The symptom is observed by the driver when no read tones are heard from the Driver Display Unit.
Symptom Isolation Procedures Driver Card Not Reading Step A Procedure Condition Action 1. Insert Driver Card. 2. Was the card read by the Driver Display Unit? Step B Procedure 1. Remove the existing card from the Driver Display Unit. 2. Obtain a new card and insert it into the Driver Display Unit. If the card was read by the Driver Display Unit Test complete. If the card was not read by the Driver Display Unit Go to Step B.
Appendix Bendix™ VORAD® System Wiring Diagram Optional Side Sensor Antenna Assembly (Left/Rear) Side Sensor Antenna Assembly (Right/Front) Side Sensor Display Assembly (Left/Rear) Side Sensor Display Assembly (Right/Front) EATON VORAD EATON VORAD 1 Not Populated 432 1 Not Populated ACB 432 ACB White Red Black Dk Green White Red Black Dk Green White Black Violet Grey Brown/White Black/White Dk Grn/Yellow Grey/Black Yellow Green Black 4 3 21 EVT-300 COLLISION WARNING RADAR SYSTEM Eaton VORAD Co
Appendix Central Processing Unit UP For VORAD diagnostics EATONVORAD T E C H N O I O G I E S Connect to Engine ECM J1587 Data Link J CD EVT-300 COLLISION WARNING RADAR SYSTEM T E C H N O I O G I E S H Eaton VORAD Collision Warning System WARNING: READ DRIVER REFERENCE MANUAL PRIOR TO USE. Model EVT-300, Forward Sensor Ferq.
A-3 1 2 3 11 12 4 25 28 29 30 31 23 24 27 26 34 36 38 39 40 41 42 43 44 32 33 35 8 10 7 9 5 6 19 20 45 0 17 18 15 16 14 13 22 46 47 11 11 11 11 11 12 13 13 13 13 13 34 34 34 34 14 14 14 14 14 14 14 14 14 35 35 35 15 16 21 22 23 24 25 25 --32 32 31 31 33 33 ---- 2 54 2 54 2 54 25 4 25 4 2 54 9 9 9 9 9 9 9 9 9 2 2 2 1 1 2 2 2 2 2 2 2 10 11 7 8 3 6 231 231 --231 231 25 0 250 24 8 248 ---- 12 4 12 12 12 12 2 5 5 5 4 12 2 2 2 2 12 12 12 12 12 12 12 14 12 2 2 2 2 2 2 2 2 14 2 --12 12 2 2 12 12 ---- FMI S /C
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