Ambient Light Sensor: Testing and Inspection
Connector disconnected:
INSPECT AUTOMATIC LIGHT CONTROL SENSOR CIRCUIT
Disconnect the connector from the sensor and inspect the connector on the wire harness side, as shown in the chart.
HINT:
- Ignition switch is ON.
- Light control switch is in AUTO.
- Vehicle's surroundings are bright.
If circuit is as specified, perform the inspection.
If the circuits is not as specified, inspect the circuit connected to other parts.
Connector connected:
INSPECT AUTOMATIC LIGHT CONTROL SENSOR CIRCUIT
Connect the wire harness side connector to the sensor and inspect wire harness side connector from the back side, as shown.
HINT:
- Ignition switch is ON.
- Light control switch is in AUTO.
- Vehicle's surroundings are bright.
If the circuits is not as specified, try replacing the sensor with a new one.