Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
- Lower the driver window.
- Turn the ignition on to off three times.
- Close the doors.
- Open the driver door.
- Turn the ignition on and wait one minute.
- With the scan tool, read DDM DTCs.
Is the DTC active?
Yes
- Go To 2
No
- The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE DRIVER DOOR (TRIM/PUDDLE) LAMP FOR A SHORT
- With the scan tool, erase the DTCs.
- Turn the ignition off.
- Remove the inner door panel trim in accordance with the Service Information.
- Disconnect the Driver Door Courtesy (trim/puddle) Lamp connector.
- Turn the ignition on.
- Close then open the driver door.
- Wait one minute.
- With the scan tool, read DDM DTCs.
Is the DTC active?
Yes
- Go To 3
No
- Replace the Driver Door Courtesy (trim/puddle) Lamp Assembly in Accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE (M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Disconnect the Driver Door Module C5 harness connector.
- Check for continuity between ground and the (M43) Driver Door Courtesy Lamp Driver circuit at the Driver Door Module C5 harness connector.
Is there continuity between ground and the (M43) Driver Door Courtesy Lamp Driver circuit?
Yes
- Repair the (M43) Driver Door Courtesy Lamp Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 4
- CHECK THE (M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT FOR A SHORT TO THE (M34) DRIVER DOOR LIGHTING RETURN CIRCUIT
- Check for continuity between the (M43) Driver Door Courtesy Lamp Driver circuit and the (M34) Driver Door Lighting Return circuit at the Driver Door Module C5 harness connector.
Is there continuity between the (M43) Driver Door Courtesy Lamp Driver circuit and the (M34) Driver Door Lighting Return circuit?
Yes
- Repair the (M43) Driver Door Courtesy Lamp Driver circuit for a short to the (M34) Driver Door Lighting Return circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the Driver Door Module in accordance with the Service Information. Refer to MODULE, DOOR (DDM/PDM), REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Test complete.
- Check for continuity between the (M43) Driver Door Courtesy Lamp Driver circuit and the (M34) Driver Door Lighting Return circuit at the Driver Door Module C5 harness connector.