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Home >> Saturn >> 2003 >> Ion 1 Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting Systems >> Diagnostic Information and Procedures >> Courtesy Lamps Inoperative

Courtesy Lamps Inoperative

Courtesy Lamps Inoperative

Step Action Yes No
Schematic Reference: Interior Lights Schematics 
DEFINITION: Courtesy lamps are inoperative from the door jamb switch or switches only.
1 Did you perform the Lighting System Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Lighting Systems 
2
  1. Turn ON the ignition, with the engine OFF.
  2. Open and close all of the vehicle doors.
  3. Observe the courtesy lamps.
Do the courtesy lamps illuminate when each door is opened?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Are the courtesy lamps inoperative from the driver door? Go to Step 5  Go to Step 4 
4 Are the courtesy lamps inoperative from all of the passenger doors? Go to Step 7  Go to Step 6 
5
  1. Close all of the vehicle doors, except the driver.
  2. Disconnect the driver door jamb switch.
  3. Connect a 3 amp fused jumper wire between the door jamb switch signal wire and a good ground.
Do the courtesy lamps illuminate?		 Go to Step 8  Go to Step 9 
6
  1. Close all of the vehicle doors, except the inoperative door.
  2. Disconnect the inoperative door jamb switch.
  3. Connect a 3 amp fused jumper wire between the door jamb switch signal wire and a good ground.
Do the courtesy lamps illuminate?		 Go to Step 8  Go to Step 9 
7 Test the passenger door jamb switch signal circuit for an open or high resistance between the body control module (BCM) and the splice. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 14  Go to Step 11 
8 Test the ground circuit of the inoperative door jamb switch for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 14  Go to Step 10 
9 Test the inoperative door jamb switch signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 14  Go to Step 11 
10 Inspect for poor connections at the harness connector of the inoperative door jamb switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 14  Go to Step 12 
11 Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 14  Go to Step 13 
12 Replace the inoperative door jamb switch. Refer to Door Jamb Switch Replacement - Front  or Door Jamb Switch Replacement - Rear .
Did you complete the replacement?		 Go to Step 14  -
13
IMPORTANT: Perform the set up procedure for the body control module.
Replace the body control module. Refer to Body Control Module Replacement in Body Control System.Did you complete the replacement?		 Go to Step 14  -
14 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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