B162D

B162D-LEFT LOW BEAM CONTROL CIRCUIT OPEN





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 an open 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 the DTCs.

Does the scan tool display DTC B162D-LEFT LOW BEAM 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. LEFT LOW BEAM BULB
1. Turn the ignition off.
2. Inspect the Left Low Beam Bulb Assembly.

Is the inoperative bulb OK?

Yes

- Go To 3

No

- Replace the inoperative bulb.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (L43) LEFT LOW BEAM DRIVER CIRCUIT OPEN




1. Disconnect the TIPM C4 harness connector.
2. Disconnect the Left Headlamp Lamp harness connector.
3. Measure the resistance of the (L43) Left Low Beam Driver circuit between the Left Headlamp Lamp harness connector and the TIPM C4 harness connector.

Is the resistance above 5.0 Ohms?

Yes

- Repair the open 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.