B162B

B162B-LEFT LOW BEAM CONTROL CIRCUIT LOW





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

- When Monitored:
With the Headlamps active.

- Set Condition:
When the Totally Integrated Power Module (TIPM) detects a low condition in the (L43) Left Low Beam Driver circuit.





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

Does the scan tool display DTC B162B-LEFT LOW BEAM CONTROL CIRCUIT LOW?

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. (L43) LEFT LOW BEAM DRIVER CIRCUIT SHORTED TO GROUND




1. Turn the ignition off.
2. Disconnect the TIPM C4 harness connector.
3. Disconnect the Left Headlamp harness connector.
4. Measure the resistance between ground and the (L43) Left Low Beam Driver circuit.

Is the resistance below 5.0 Ohms?

Yes

- Repair the short to ground in the (L43) Left Low Beam Driver 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.