TROUBLE SHOOTING
- Check RH HDLP fuse (15-amp), LH HDLP fuse (15-amp) and HTR A/C IGN fuse (10-amp) in underhood bussed electrical center. If foglights do not operate properly, check FOG LPS fuse (10-amp) in right instrument panel bussed electrical center.
- Using scan tool, check for BCM Diagnostic Trouble Codes (DTCs). If any BCM DTCs are set, see appropriate «BODY CONTROL MODULE»(ref-32837) article.
- If one headlight or foglight does not work, check bulb, connections and related wiring. See appropriate wiring diagram in HEADLIGHT SYSTEMS article. Ensure all ground connections are clean and tight.
- Check for poor connections or partially broken wire inside of insulation which could cause an intermittent. Check for proper installation of aftermarket electronic equipment.
DIAGNOSIS & TESTING
| WARNING | Before servicing instrument panel components on vehicles with Supplemental Inflatable Restraint (SIR) system, disable SIR system. See DISABLING & ACTIVATING AIR BAG SYSTEM in AIR BAG RESTRAINT SYSTEM article. |
Note. Unless otherwise specified, make all measurements with a Digital Volt-Ohmmeter (DVOM) with an input impedance of 10 megohms.
Note. To locate components, see COMPONENT LOCATIONS .