Lamp Out Sensor: Testing and Inspection
LIGHT FAILURE SENSOR INSPECTION
INSPECT SENSOR CIRCUIT
Disconnect the connector from the sensor and inspect the connector on the wire harness side, as shown.
If circuit is as specified, try replacing the sensor with a new one.
If the circuit is not as specified, inspect the circuits connected to other parts.
REAR LIGHT WARNING INSPECTION
1. INSPECT LIGHT FAILURE SENSOR
(See above)
2. INSPECT WARNING LIGHT
a. Disconnect the connector from the light failure sensor and ground terminal 4 on the wire harness side connector.
b. Start the engine and check that the warning light lights up.
If the warning light does not light up. test the bulb or inspect wire harness.