Operation CHARM: Car repair manuals for everyone.

Any One, Key Cylinder Disarm Inoperative

Test 1 - 3:




Test 4 - 8:




Test 9 - 12:




Test 13:




SYMPTOM
ANY ONE, KEY CYLINDER DISARM INOPERATIVE

POSSIBLE CAUSES
- Key cylinder mechanical malfunction
- Driver key cylinder open ground wire
- Liftgate cylinder lock switch - open ground wire
- Passenger key cylinder open ground wire
- Disarm switch circuit open- driver door switch
- Disarm switch circuit open-liftgate
- Disarm switch circuit open- passenger door switch
- Disarm switch circuit shorted to voltage
- Driver cylinder lock switch operation
- Liftgate cylinder lock switch operation
- Pass cylinder lock switch operation
- Cylinder lock switch mux circuit short to ground
- CTM - disarm reference voltage output