Headlamp Dimmer Switch: Testing and Inspection

W/o Automatic light control system:
INSPECT LIGHT CONTROL SWITCH CONTINUITY
If continuity is not as specified, replace the switch.







W/ Automatic light control system:
INSPECT LIGHT CONTROL SWITCH CONTINUITY
If continuity is not as specified, replace the switch.







INSPECT HEADLIGHT DIMMER SWITCH CONTINUITY
If continuity is not as specified, replace the switch.

INSPECT LIGHT-OFF CONDITION
a. Turn the ignition switch ON.
b. Gradually cover the top of the sensor.
Lights auto ON:
c. Verify that the lights will go out when light control switch position is OFF or the area surrounding the sensor gets bright or opening the driver's door while the ignition switch is OFF.

INSPECT LIGHT-ON CONDITION
a. Open the driver's door while the ignition switch is OFF.
b. Turn the light control switch to AUTO leaving the door open and cover the top of the sensor, and verify that the lights go on when the ignition switch is turned ON.