Flow of Diagnosis

1. Verify the customer's concern by following these steps:
a. Turn ignition switch OFF.
b. Turn headlamp switch to HEAD position.
c. Check low beam headlamp operation.
d. Turn high beam headlamp ON with multi-function switch.
e. Check high beam operation.
f. Check high beam indicator located in instrument cluster for proper operation.
g. Turn high beam headlamps OFF.
h. Turn low beam headlamps OFF.
i. Check daytime running lamps system operation:
- Turn ignition switch to RUN.
- Check for high beam headlamps ON at reduced intensity.
2. Inspect to determine if one of the following electrical concerns apply:

VISUAL INSPECTION CHART

Electrical
- Power distribution box Fuse 16 (20A), and fuse junction panel Fuse 34 (16A).
- Damaged connectors.
- Damaged ignition switch.
- Damaged daytime running lamps control module.
- Damaged parking brake signal switch and bracket.

3. If the inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to the Symptom Chart. Symptom Related Diagnostic Procedures