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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 7 (LIGHTING SYSTEMS)SYMPTOMS - LIGHTING SYSTEMSREADING LAMP(S) INOPERATIVE
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Reading Lamp(s) Inoperative

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Reading Lamp(s) Inoperative
WARNING: This page is about a different car, the 2005 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
Reading Lamp(s) Inoperative

Step Action Yes No
Schematic Reference: Interior Lights Schematics 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 Do the reading lamps operate properly with the lamp switches? Go to Step 7  Go to Step 3 
3 Is only one reading lamp inoperative? Go to Step 4  Go to Step 5 
4
  1. Inspect the battery positive voltage, ground circuit, and switch for a poor connection or an open in the inoperative lamp circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
  2. Repair the poor connection or open in the inoperative lamp circuit. Refer to Wiring Repairs in Wiring Systems.
  3. If no fault is found, replace the inoperative lamp.
Did you complete the repair?		 Go to Step 11  -
5
  1. Disconnect the reading lamp switch connector.
  2. Test for a high resistance or open in the ground circuit at the reading lamp switch connector. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Was a condition found and corrected?		 Go to Step 8  Go to Step 6 
6 Test for an open in the inadvertent power control circuit between the reading lamp assembly and the body control module (BCM). Refer to Circuit Testing andWiring Repairs in Wiring Systems.
Was a condition found and corrected?		 Go to Step 11  Go to Step 9 
7 Test for an open in the interior control circuit between the reading lamp assembly and the BCM. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Was a condition found and corrected?		 Go to Step 11  Go to Step 10 
8 Repair the open in the ground circuit for the reading lamp switch. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?		 Go to Step 11  -
9 Replace the reading lamp assembly.
Did you complete the repair?		 Go to Step 11  -
10 Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming.
Did you complete the replacement?		 Go to Step 11  -
11 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
RENDER: 1.0x

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