Symptoms - Lighting

Symptoms - Lighting

Important: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) before using the Symptom Tables in order to verify that all of the following are true:

* There are no DTCs set.
* The control modules can communicate via the serial data link.

2. Review the system operation and circuit descriptions that apply to the customer complaint in order to familiarize yourself with the system functions. Refer to the following list:

* Exterior Lighting Systems Description and Operation (Exterior Lighting Systems Description and Operation)
* Interior Lighting Systems Description and Operation (Interior Lighting Systems Description and Operation)

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the lighting system. Refer to Checking Aftermarket Accessories (Component Tests and General Diagnostics).
* 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 (Backup Lamps Malfunction)
* Cornering Lamps Malfunction (Cornering Lamps Malfunction)
* Courtesy Lamps Malfunction (Courtesy Lamps Malfunction)
* Daytime Running Lamps Malfunction (Daytime Running Lamps Malfunction)
* Front Fog Lamps Malfunction (Front Fog Lamps Malfunction)
* Rear Fog Lamps Malfunction (Rear Fog Lamps Malfunction)
* Hazard Lamps Malfunction (Hazard Lamps Malfunction)
* Headlamp Switch On Indicator Inoperative (Headlamp Switch On Indicator Inoperative)
* Headlamps Malfunction (Headlamps Malfunction)
* Headlamp Leveling Malfunction (Headlamp Leveling Malfunction)
* Interior Backlighting Malfunction (Interior Backlighting Malfunction)
* Park, License, and/or Tail Lamps Malfunction (Park, License, and/or Tail Lamps Malfunction)
* Stop Lamps Malfunction (Stop Lamps Malfunction)
* Turn Signal Lamps and/or Indicators Malfunction (Turn Signal Lamps and/or Indicators Malfunction)