Service manual

TC Series Hydraulic Brake ABS System
030.1-16
Using Blink Code Diagnostics (continued)
Use the information in Table 3 to identify a fault,
check for proper volt or ohm measurements, and
repair the fault.
1. Identify and record the blink code. Blink codes
are identified in columns 1 and 2.
2. Test the pins indicated. Pin locations to be
tested are listed in column 3.
3. Compare the measurement received against the
correct volt or ohm measurement listed in
column 4.
4. Observe the instructions listed in column 5.
Note
Abbreviations IV are Inlet Valve and OV is Outlet Valve.
Ignition Key On to determine ABS blink
code fault
Ignition Key off to test system (except where noted)
1 2 3 4 5
Fault
Code
Problem Area
Connector Pins to be
Tested
Correct Volt
Ohm Meter
Reading
Action
1-1 System Okay --- --- --- None required
2-1
Right Front
Solenoid valve (IV or OV)
failure in modulator, wiring
harness or inside ECU
15 pin IV 5 and 3
OV 4 and 3
--- Check electrical
resistance of
affected valve
wiring to ground at
ECU vehicle
connector and at
modulator plug.
2-2
Left Front
Solenoid valve (IV or OV)
failure in modulator, wiring
harness or inside ECU
15 pin IV 2 and 3
OV 1 and 3
Inlet valve:
6.5 ± 0.5 ohms
Outlet Valve
3.5 ± 0.5 ohms
Check voltages at
wiring harness and
connectors.
Voltage of ground
connector should
be approximately 0
volts. Make
necessary repairs.
2-3
Right Rear
Solenoid valve (IV or OV)
failure in modulator, wiring
harness or inside ECU
15 pin IV 1 and 3
OV 10 and 3
2-4
Left Rear
Solenoid valve (IV or OV)
failure in modulator, wiring
harness or inside ECU
15 pin IV 8 and 3
OV 7 and 3
2-7 Reference to ground
interrupted
15 pin 3 to chassis
ground
Check ABS ground
connectors. Make
necessary repairs.
Table 3—D Version Hydraulic ABS Blink Codes
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