B1672-11

B1672-11-DRIVER COURTESY LAMP CONTROL - CIRCUIT SHORT TO GROUND





For a complete wiring diagram, refer to the Wiring Information .

- When Monitored:
Whenever the courtesy lamp is switched on.

- Set Condition:
When the Driver Door Courtesy Lamp Driver circuit falls below 3.0 volts for over 2000 ms. and the above conditions are met, this code will set.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase the DTCs.
3. Cycle the ignition on to off three times.
4. Wait 30 seconds.
5. With the scan tool, read the active DTCs.

Does the scan tool display: B1672-11-DRIVER COURTESY LAMP CONTROL - CIRCUIT SHORT TO GROUND?

Yes

- Go To 2

No

- Test complete, 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.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. DRIVER DOOR COURTESY LAMP SHORTED




1. With the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Remove the inner door panel trim. Front Door Trim Panel - Removal.
4. Make sure the Driver Door Map Pocket/Courtesy Lamp connector is disconnected.
5. Turn the ignition on.
6. Wait one minute.
7. With the scan tool, read the active DTCs.

Does the scan tool display: B1672-11-DRIVER COURTESY LAMP CONTROL - CIRCUIT SHORT TO GROUND as Active?

Yes

- Go To 3

No

- Replace the Driver Door Courtesy Lamp Assembly.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT SHORTED TO GROUND




1. Turn the ignition off.
2. Disconnect the Driver Door Module C5 harness connector.
3. Measure the resistance between Ground and the (M43) Driver Door Courtesy Lamp Driver circuit in the DDM C5 harness connector.

Is the resistance below 20K Ohms?

Yes

- Repair the short to ground in the (M43) Driver Door Courtesy Lamp Driver circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. (M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT SHORTED TO THE (M34) DRIVER DOOR LIGHTING RETURN CIRCUIT




1. Measure the resistance between the (M43) Driver Door Courtesy Lamp Driver circuit and the (M34) Driver Door Lighting Return circuit in the DDM C5 harness connector.

Is the resistance below 10K Ohms?

Yes

- Repair the short between the (M43) Driver Door Courtesy Lamp Driver circuit and the (M34) Driver Door Lighting Return circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Driver Door Module. Door Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.