Pinpoint Test U: An Individual Fog Lamp Is Inoperative

Fog Lamps

Pinpoint Test U: An Individual Fog Lamp Is Inoperative

Normal Operation

When the fog lamp relay is energized, voltage is routed to the fog lamps.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors

PINPOINT TEST U : AN INDIVIDUAL FOG LAMP IS INOPERATIVE

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

U1 CHECK FOR VOLTAGE TO THE INOPERATIVE FOG LAMP

- Ignition OFF.

- Disconnect: Inoperative Fog Lamp.

- Ignition ON.

- Place the headlamp switch in the PARKING LAMPS ON position and engage the fog lamp switch.

- Measure the voltage between the LH fog lamp C152-A, circuit CLF12 (BN/YE), harness side and ground; or between the RH fog lamp C162-A, circuit CLF12 (BN/YE), harness side and ground.





Is the voltage greater than 10 volts?

Yes
REPAIR circuit CLF12 (BN/YE) for an open. TEST the system for normal operation.

No
REPAIR circuit GD123 (BK/GY) for an open. TEST the system for normal operation.