Operation CHARM: Car repair manuals for everyone.

Panel Illumination Control Module: Testing and Inspection






RHEOSTAT LIGHT CONTROL VOLUME INSPECTION
1. INSPECT RHEOSTAT LIGHT CONTROL VOLUME
Resistance:
Inspect resistance between terminals.






Gradually rotate the switch from most distant position to closet position, If resistance is not as specified, replace the rheostat light control volume.






Meter Cancel Switch Continuity Inspect continuity between terminals.






If operation is not as specified, replace the rheostat light control volume.






Circuit

Disconnect the connector from the volume and inspect the connector on the wire harness side, as shown.






If circuit is as specified, replace the volume. If the circuit is not as specified, Electrical Diagrams wiring diagram and inspect the circuits connected to other parts.






INSPECT SECURITY WARNING LIGHT

Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, check that the warning light lights up.
If the warning light does not light up, replace the rheostat light control volume.