All Passenger Doors Fail To Lock and Unlock
*ALL PASSENGER DOORS FAIL TO LOCK AND UNLOCK
For a complete wiring diagram Consult Diagrams/Electrical.
Theory of Operation
This test does not cover a secondary latch problem on a right hand drive vehicle.
Diagnostic Test
1. TEST FOR DIAGNOSTIC TROUBLE CODES
Turn the ignition on.
With the scan tool, record and erase DTC's
Operate the Driver Door Lock Switch in all positions several times.
Cycle the ignition from on to off and wait for five seconds.
Turn the ignition on.
With the scan tool, read the active DTC's.
Does the scan tool display any Power Door Lock related DTC's?
No
- Go To 2
Yes
- Diagnose and repair the DTC's.
2. (P240) PASSENGER DOORS UNLOCK DRIVER WIRE OPEN
Turn the ignition off.
Disconnect any Door Latch Connector.
Measure the resistance of the (P240) Passenger Doors Unlock Driver wire between the Cluster C1 connector and the door latch connector.
Is the resistance below 5.0 ohms?
Yes
- Replace the Instrument Cluster.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
No
- Repair the (P240) Passenger Doors Unlock Driver wire for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test