B1669-REVERSE LAMP CONTROL CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
- With the Reverse Lamps Activated.
- Set Condition:
- When the TIPM detects a HIGH condition.
| Possible Causes |
| (L1) REVERSE LAMP CONTROL CIRCUIT OPEN |
| LEFT AND/OR RIGHT REVERSE LAMP BULBS |
| TOTALLY INTEGRATED POWER MODULE |
Diagnostic Test
1. INTERMITTENT CONDITIONTurn the ignition on.
With the Scan Tool, clear all TIPM DTC's.
Turn the Reverse Lamps on.
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 - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. REVERSE LAMP BULBS
Turn the ignition off.
Inspect the Left and Right Reverse Lamp Bulb Assemblies.
Are the inoperative bulbs OK?
Yes
- Go To 3
No
- Replace the Inoperative bulb or bulbs in accordance with the service information.
- Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
3. (L1) REVERSE LAMP CONTROL CIRCUIT OPEN
Turn the ignition off.
Disconnect the TIPM C8 harness connector.
Disconnect the Left and Right Reverse Lamp harness connectors.
Measure the resistance of the (L1) Reverse Lamp Control circuit.
Is the resistance above 5.0 ohms?
Yes
- Repair the (L1) Reverse Lamp Control circuit for an open condition.
- Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Totally Integrated Power Module (TIPM) in accordance with the service information.
- Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)