A Symptoms - Lighting Systems
Symptoms - Lighting SystemsImportant: 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.
Description and Operation
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. Refer to Testing for Intermittent and Poor Connections in Diagrams / Diagnostic Aids.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Automatic Lamp Control Inoperative.
Automatic Lamp Control Inoperative
- Low Beams Inoperative.
Low Beams Inoperative
- High Beams Inoperative.
High Beams Inoperative
- Backup Lamps Always On.
Backup Lamps Always On
- Backup Lamps Inoperative.
Backup Lamps Inoperative
- Console Lamp Always On.
Console Lamp Always On
- Console Lamp Inoperative.
Console Lamp Inoperative
- Daytime Running Lamps (DRL) Always On.
Daytime Running Lamps (DRL) - Always On
- Daytime Running Lamps (DRL) Inoperative.
Daytime Running Lamps (DRL) - Always On
- Dome Lamps Always On.
Dome Lamps Always On
- Dome Lamps Inoperative.
Dome Lamps Inoperative
- Fog Lamps Always On.
Fog Lamps Always On
- Fog Lamps Inoperative.
Fog Lamps Inoperative
- Hazard Lamps Always On.
Hazard Lamps Always On
- Hazard Lamps Inoperative.
Hazard Lamps Inoperative
- High Beam Indicator Always On.
High Beam Indicator Always On
- High Beam Indicator Inoperative.
High Beam Indicator Inoperative
- Park Lamps Always On.
Park Lamps Always On
- Park Lamps Inoperative.
Park Lamps Inoperative
- Stop Lamps Always On.
Stop Lamps Always On
- Stop Lamps Inoperative.
Stop Lamps Inoperative