B163B

B163B-FRONT LEFT TURN LAMP CONTROL CIRCUIT LOW





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

- When Monitored:
With the Turn Signals active.

- Set Condition:
When the Totally Integrated Power Module (TIPM) detects a low condition in the (L161) Left Front Turn Signal Control circuit for more than 10 seconds.





1. CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all TIPM DTCs.
3. Turn the Left Turn Signals on.
4. With the scan tool, read DTCs.

Does the scan tool display B163B-FRONT LEFT TURN LAMP CONTROL CIRCUIT LOW?

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. CHECK THE (L161) LEFT FRONT TURN SIGNAL CONTROL CIRCUIT FOR A SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the TIPM C4 harness connector.
3. Disconnect the Left Front Park/Turn Lamp harness connector.
4. Measure the resistance between ground and the (L161) Left Front Turn Signal Control circuit.

Is the resistance below 10K Ohms?

Yes

- Repair the short to ground in the (L161) Left Front Turn Signal Control circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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