Operation CHARM: Car repair manuals for everyone.

Power Locks: Testing and Inspection





Symptom Chart

Perform "Main Power Supply and Ground Circuit Check" before starting with power door lock diagnostic procedure.





Main Power Supply Circuit Check






Ground Circuit Check






Diagnostic Procedure 1 (Front Door Switch Check)






Diagnostic Procedure 2 (Key Switch [insert] Check)






Diagnostic Procedure 3 (Door Lock/Unlock Switch Check)






Diagnostic Procedure 4 (Front Door Key Cylinder Check)

Models With Theft Warning System







Diagnostic Procedure 5 (Front door Unlock Sensor Check)

Models With Theft Warning System







Diagnostic Procedure 6 (Door Lock Actuator Check)