Operation CHARM: Car repair manuals for everyone.

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 multi4unction switch.
e. Check high beam operation.
f. Check high beam indicator located in instrument cluster for proper concern.
g. Turn high beam headlamps OFF
h. Turn low beam headlamps OFF.
i. Check daytime running lamps system operation:
1. Turn ignition switch to RUN.
2. Release park brake.
3. Check for high beam headlamps ON at reduced intensity.

2. Inspect to determine if one of the following electrical concerns apply:

Electrical
- Open Fuse.
- Damaged connectors.
- circuitry open/shorted.
- Damaged ignition switch.
- Damaged daytime running lamps control.
- 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