B1669

B1669-REVERSE LAMP CONTROL CIRCUIT OPEN





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

- When Monitored:
With the Reverse Lamps Activated.

- Set Condition:
When the TIPM detects a high condition.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all TIPM DTCs.
3. Turn the Reverse Lamps on.
4. With the scan tool read the DTC information.

Does the scan tool read: B1669-REVERSE LAMP CONTROL CIRCUIT OPEN?

Yes

- Go To 2

No

- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK THE BACKUP LAMP BULBS
1. Turn the ignition off.
2. Inspect the Left and Right Backup Lamp Bulb Assemblies.

Are the inoperative bulbs OK?

Yes

- Go To 3

No

- Replace the Inoperative bulb or bulbs.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. CHECK THE (L1) BACKUP LAMP SWITCH OUTPUT CIRCUIT FOR AN OPEN
1. Turn the ignition off.
2. Disconnect the TIPM C8 harness connector.
3. Disconnect the Left and Right Backup Lamp harness connectors.
4. Measure the resistance of the (L1) Backup Lamp Switch Output circuit.

Is the resistance above 5.0 Ohms?

Yes

- Repair the (L1) Backup Lamp Switch Output circuit for an open condition.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Totally Integrated Power Module (TIPM).
- Perform the BODY VERIFICATION TEST. Body Verification Test.