Symptoms - Lighting Systems. Cadillac Escalade 2007

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2007 🢒 Escalade 🢒 General Information 🢒 Vibration Diagnosis and Correction 🢒 Symptoms - Lighting Systems

Perform the Diagnostic System Check - Vehicle , 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.

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

•	Exterior Lighting Systems Description and Operation

•	Interior Lighting Systems Description and Operation

•	Inspect for aftermarket devices which could affect the operation of the Lighting System. Refer to Checking Aftermarket Accessories.

•	Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

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

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

•	Backup Lamps Always On

•	Backup Lamps Inoperative

•	Clearance Lamps Inoperative

•	Courtesy Lamps Always On

•	Courtesy Lamps Inoperative

•	Daytime Running Lamps (DRL) Always On

•	Daytime Running Lamps (DRL) Defeat Inoperative

•	Daytime Running Lamps (DRL) Inoperative

•	Exterior Courtesy Lamps Always On

•	Exterior Courtesy Lamps Inoperative

•	Fog Lamp Indicator Inoperative

•	Rear Fog Lamp Indicator Inoperative

•	Fog Lamps Always On

•	Fog Lamps Inoperative

•	Rear Fog Lamps Always On

•	Rear Fog Lamps Inoperative

•	Hazard Lamps Always On

•	Hazard Lamps Inoperative

•	Headlamps Malfunction

•	Interior Backlighting Does Not Dim

•	Interior Backlighting Inoperative

•	Park, License, and Tail Lamps Always On

•	Park, License, and Tail Lamps Inoperative

•	Reading Lamp Inoperative

•	Roof Beacon Lamp Always On

•	Roof Beacon Lamp 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 Inoperative