B1672

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





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

- When Monitored:
Whenever the module is awake and the instrument panel back lighting is on.

- Set Condition:
When the Driver Door Handle Lamp Driver circuit falls below 3.0 volts for over 1450 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. Turn the park lamps on.
4. Open the drivers door
5. Wait 30 seconds.
6. 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 HANDLE LAMP SHORTED
1. With the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Turn the park lamps off.
4. Remove the inner door panel trim. Front Door Trim Panel - Removal
5. Ensure the Driver Door Handle Lamp connector is disconnected.
6. Turn the ignition on.
7. Turn the park lamps on.
8. Wait one minute.
9. 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 Handle Lamp.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (M4) DRIVER DOOR HANDLE LAMP DRIVER CIRCUIT SHORT TO GROUND




1. Turn the ignition off.
2. Turn the park lamps off.
3. Disconnect the Driver Door Module C5 connector.
4. Measure the resistance between Ground and the (M45) Driver Door Handle Lamp Driver circuit in the DDM C5 connector.

Is the resistance below 10K Ohms?

Yes

- Repair the short to ground in the (M45) Driver Door Handle Lamp Driver circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. (M45) DRIVER DOOR HANDLE LAMP DRIVER CIRCUIT SHORT TO THE (M451) DRIVER DOOR HANDLE LAMP RETURN CIRCUIT




1. Measure the resistance between the (M45) Driver Door Handle Lamp Driver circuit and the (M451) Driver Door Handle Lamp Return circuit in the DDM C5 connector.

Is the resistance below 10K Ohms?

Yes

- Repair the short between the (M45) Driver Door Handle Lamp Driver circuit and the (M451) Driver Door Handle Lamp 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.