A Symptoms - Lighting Systems

SYMPTOMS - LIGHTING SYSTEMS

IMPORTANT: Review the Exterior Lighting Systems Description and Operation and the Interior Lighting Systems Description and Operation in order to familiarize yourself with the system functions.

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the system.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Inspect all related ground points for being clean and tight.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Backup Lamps Always On
- Backup Lamps Inoperative
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Daytime Running Lamps (DRL) Inoperative
- Daytime Running Lamps (DRL) On with Park Brake Applied
- Dome Lamps Always On
- Dome Lamps Inoperative
- Hazard Lamps Always On
- Hazard Lamps Inoperative
- Headlamps Inoperative - Low Beams
- Headlamps Inoperative - High Beams
- License Lamps Inoperative
- Park Lamps Always On
- Park Lamps Inoperative
- Stop Lamps Inoperative
- Turn Signal Lamps and/or Indicators Always On or Flashing
- Turn Signal Lamps and/or Indicators Inoperative