Adaptive Front Lighting System

B21DD-85-SYSTEM VOLTAGE - SIGNAL ABOVE ALLOWABLE RANGE

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

- When Monitored:
With the ignition on.

- Set Condition:
If the voltage to the Adaptive Front Lighting System (AFLS) Module is above 16 volts for more than 15 seconds.





1. RELATED DTC(S) PRESENT IN THE PCM
1. Ignition on, engine not running.
2. With the scan tool, select View DTCs in the Powertrain Control Module (PCM).

Are there any charging system or related battery voltage DTCs present in the PCM?

Yes

- Perform the appropriate diagnostic procedure. Testing and Inspection.

No

- Go To 2

2. CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
1. Ignition on, engine not running.
2. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Replace the Adaptive Front Lighting System (AFLS) Module. Adaptive Front Lighting System Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

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.