- Symptoms - Lighting

Symptoms - Lighting Systems

Important: The following steps must be completed before doing the Symptom tables.

1. Perform the Diagnostic System Check - Vehicle.

* No DTCs are set.
* The control modules can communicate via the serial data link. Initial Inspection and Diagnostic Overview

2. Review the system operation in order to familiarize yourself with the system functions. Refer to Exterior Lighting Systems Description and Operation or Interior Lighting Systems Description and Operation.

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the lighting system.
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections. Component Tests and General Diagnostics

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

* Backup Lamps Malfunction
* Courtesy Lamps Always On
* Courtesy Lamps Inoperative
* Daytime Running Lamps (DRL) Inoperative
* Headlamps Malfunction
* Fog Lamps Always On
* Fog Lamps Inoperative
* Hazard Lamps Always On
* Hazard Lamps Inoperative
* Illuminated Entry Lamps Inoperative
* Interior Backlighting Does Not Dim
* Interior Backlighting Inoperative
* Instrument Panel Compartment Lamp Inoperative
* Instrument Panel Compartment Lamp Always On
* Park, License, and Tail Lamps Always On
* Park, License, and Tail Lamps Inoperative
* Reading Lamp(s) Always On
* Reading Lamp(s) Inoperative
* Rear Compartment Lamp(s) Always On
* Rear Compartment Lamp(s) Inoperative
* Stop Lamps Always On
* Stop Lamps Inoperative
* Turn Signal Lamps and/or Indicators Always On or Flashing
* Turn Signal Lamps and/or Indicators Inoperative
* Vanity Mirror Lamp(s) Always On
* Vanity Mirror Lamp(s) Inoperative