Operation CHARM: Car repair manuals for everyone.

Door Key Cylinder Disarm Inoperative

Test 1 - 3:




Test 4 - 8:




Test 9 - 12:




SYMPTOM
DOOR KEY CYLINDER DISARM INOPERATIVE

POSSIBLE CAUSES
- Central timer module
- Door key cylinder mechanical malfunction
- Driver key cylinder open ground wire
- Passenger key cylinder open ground wire
- Cylinder lock switch MUX circuit short to ground
- Disarm switch circuit open - driver door switch
- Disarm switch circuit open - passenger door switch
- Disarm switch circuit shorted to voltage
- CTM - disarm reference voltage output