FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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All Doors Fail To Lock and Unlock







*ALL DOORS FAIL TO LOCK AND UNLOCK





For a complete wiring diagram Consult Diagrams/Electrical.





NOTE: This test does not cover a Secondary Latch problem on a right hand drive vehicle.

NOTE: For JS27, refer to Latch Graphics PASSENGER DOOR (RHD).

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. TIPM FUSE NUMBER 10 OPEN




Using a test light connected to ground, check both sides of the TIPM fuse number 10.
Does the test light illuminate brightly on both sides of the fuse?

No

- Repair the open circuit as necessary. If the fuse is blown, replace it and try the locks. If it blows again, use the schematics and locate and repair the short circuit.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

- Go to 3


3. (A932) FUSED B+ CIRCUITS OPEN




Disconnect the Instrument Cluster C1 connector.
Measure the voltage of both (A932) Fused B+ circuits in the Cluster C1 connector.
Is the voltage above 11.0 volts?

Yes

- Go to 4

No

- Repair the (A932) Fused B+ circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

4. (P33) DOOR LOCK DRIVER WIRE OPEN




Disconnect any Door Latch Connector.
Measure the resistance of the (P33) Door Lock 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 (P33) Door Lock Driver wire for an open. Check the other Driver circuits for opens also.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test