Operation CHARM: Car repair manuals for everyone.

Dome Switch Input Shorted

Tests 1 - 3:




Test 4:




SYMPTOM
DOME SWITCH INPUT SHORT

WHEN MONITORED
Dome Lamps OFF.

SET CONDITION
When Voltage has gone below 0.196 volts for 62.5 msec.

POSSIBLE CAUSES
- Panel lamps dimmer signal circuit short
- Panel lamps dimmer signal circuit short to ground
- Headlamp switch MUX return circuit short to ground
- Headlamp switch
- Body control module