Pinpoint Test S: The Individual Reversing Lamp Is Inoperative

Reversing Lamps

Pinpoint Tests

PINPOINT TEST S: THE INDIVIDUAL REVERSING LAMP IS INOPERATIVE

S1 CHECK FOR VOLTAGE TO THE REVERSING LAMP

- Ignition OFF.
- Disconnect: Inoperative Reversing Lamp.
- Apply the parking brake.
- Select REVERSE.
- Ignition ON.
- Measure the voltage between the LH reversing lamp C487-3, circuit 140 (BK/PK), harness side and ground; or between the RH reversing lamp C488-3, circuit 140 (BK/PK), harness side and ground.




- Is the voltage greater than 10 volts?

Yes
REPAIR circuit 57 (BK) for an open. TEST the system for normal operation.

No
REPAIR circuit 140 (BK/PK) for an open. TEST the system for normal operation.

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