User Manual

Help & Troubleshooting • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
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7
Check the following:
• Using Non-OBD II Adapter Cables
❒ The cigarette lighter adapter is hooked up. Make sure the cigarette lighter
end is firmly held in the cigarette lighter socket.
❒ Verify that the vehicle’s cigarette lighter fuse is OK. Some vehicles must
have the key on for the cigarette lighter socket to be on.
• Using J1962 (OBD II) or Chrysler LH Adapter Cable
❒ Make sure the tool’s DLC is connected correctly to the vehicle’s DLC. Verify
the pins are clean and fully seated in the DLC.
❒ At least 8.0V must be present between the power and ground pins to power
the computer module(s) and communicate.
❒ Use the following flowchart to troubleshoot the problem.
Measure Voltage
between Pins 16 and 4.
Measure resistance
between Pin 4 and
frame ground.
Above 10V?
less than
5 ohms?
Is
battery fully
charged?
Contact Customer
Service Center.
Repair Ground
circuit. Refer to a
service manual.
Charge battery.
scan tool does not power
up.
NO
NO
NO
YES
YES
YES
Open exists in power
circuit. Check for a blown fuse
or an open wire. Refer to a
service manual.
PIN 16 (BAT+)
PIN 4 (GND)
PIN 2 (BAT+)
PIN 6 (GND)
J1962 (OBD II) DLC
LH DLC