Diagnostic Test
- CHECK FOR DOOR LOCK DTC'S
- Turn the ignition on.
- With the scan tool, record and erase the DTC's.
- Turn the ignition off, wait 10 seconds then turn the ignition on.
- Try to operate the door locks several times.
- With the scan tool, read the active DTC's.
Does the scan tool display any Door Lock System DTC's?
No
- Go to Step 2.
Yes
- Refer to DIAGNOSIS AND TESTING .
- CHECK (P392) DOOR LOCK DRIVER RIGHT DOORS CIRCUIT FOR A SHORT TO GROUND NOTE: If only one motor is inoperative when the door locks are actuated, disconnect that motor and retest to see if the other doors lock properly. If they do, replace the defective motor.NOTE: Ensure the door lock inhibit (key in ignition) and the door ajar systems are operating properly before proceeding. These systems affect the door lock locking functions if they are not working as they should.
- Turn the ignition off.
- Disconnect the Cluster C1 connector.
- Measure the resistance between ground and the (P392) Door Lock Driver circuit.
Is the resistance below 1,000 ohms?
No
- Go to Step 3.
Yes
- Repair the (P392) Door Lock Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- CHECK (P393) DOOR LOCK DRIVER CIRCUIT FOR A SHORT TO GROUND
- Measure the resistance between ground and the (P393) Door Lock Driver circuit.
Is the resistance below 1,000 ohms?
No
- Replace the Cluster in accordance with the Service Information.
- Perform BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
Yes
- Repair the (P393) Door Lock Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- Measure the resistance between ground and the (P393) Door Lock Driver circuit.