Operation CHARM: Car repair manuals for everyone.

High Beam Switch Input Shorted

Test 1 - 3:




Test 4:






SYMPTOM
HIGH BEAM SWITCH INPUT SHORT

WHEN MONITORED
Ignition On.

SET CONDITION
When voltage is below 0.488 volts.

POSSIBLE CAUSES
- Intermittent condition
- Multifunction switch
- High beam switch MUX circuit short to ground
- High beam switch MUX short to MUX return circuit
- Body control module