Operation CHARM: Car repair manuals for everyone.

Headlamp Dimmer Switch: Testing and Inspection







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.







Connector disconnected:
INSPECT LIGHT CONTROL SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown.
If circuit is not as specified, inspect the wire harness.







Connector disconnected:
INSPECT HEADLIGHT DIMMER SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown.
If circuit is not as specified, inspect the wire harness.







Connector connected:
INSPECT LIGHT CONTROL SWITCH CIRCUIT
Connect the wire harness side connector to the light control and dimmer switch and inspect the connector from the back side, as shown
If circuit is not as specified, inspect the wire harness.







Connector connected:
INSPECT HEADLIGHT DIMMER SWITCH CIRCUIT
Connect the wire harness side connector to the light control and dimmer switch and inspect the connector from the back side, as shown.
If circuit is not as specified, inspect the wire harness.