- Symptoms - Lighting

Symptoms - Lighting

Important: The following steps must be completed before using a symptom table.



* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) before using a symptom table in order to verify that all of the following conditions are true:

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

* Review the system description and operation in order to familiarize yourself with the system functions. Refer to the following:

- 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

Thoroughly inspect the wiring and connectors. An incomplete inspection of the wiring and connectors may result in misdiagnosis causing part replacement with the reappearance of the malfunction. If an intermittent malfunction exists, 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 (Automatic Transmission) (Backup Lamps Malfunction (Automatic Transmission))Backup Lamps Malfunction (Manual Transmission) (Backup Lamps Malfunction (Manual Transmission))
* Courtesy Lamps Malfunction (Courtesy Lamps Malfunction)
* Daytime Running Lamps (DRL) Inoperative (Daytime Running Lamps (DRL) Inoperative)
* Front Fog Lamps Malfunction (Front Fog Lamps Malfunction)
* Hazard Lamps Malfunction (Hazard Lamps Malfunction)
* Headlamps Malfunction (Headlamps Malfunction)
* Interior Backlighting Malfunction (Interior Backlighting Malfunction)
* Park, License, and/or Tail Lamps Malfunction (Park, License, and/or Tail Lamps Malfunction)
* Inside Rearview Mirror Lamp Inoperative (Inside Rearview Mirror Lamp Inoperative)
* Stop Lamps Malfunction (Stop Lamps Malfunction)
* Turn Signal Lamps and/or Indicators Malfunction (Turn Signal Lamps and/or Indicators Malfunction)