Diesel Data: Automotive Repair

B1763






B1763-RIGHT INTERIOR TURN INDICATOR CONTROL CIRCUIT HIGH - BCM





For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

Output is Off.

- Set Condition:

Feedback Sense is Low for 125 msec. (No circuit load.)





Diagnostic Test

1. INSTRUMENT CLUSTER





Turn the ignition off.

Disconnect the Cluster C1 harness connector.

Turn the ignition on.

Activate the Right Turn Signal.

Measure the voltage between the (L160) Right Turn Signal circuit and ground.

Is the voltage above 5.0 volts?

Yes

- Replace the Instrument Cluster.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 2

2. (L160) RIGHT TURN SIGNAL CIRCUIT OPEN





Turn the ignition off.

Disconnect the BCM C4 harness connector.

Disconnect the Instrument Cluster harness connector.

Measure the resistance of the (L160) Right Turn Signal circuit.

Is the resistance above 5.0 ohms?

Yes

- Repair the (L160) Right Turn Signal circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace the BCM.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test