Reading Lamp(s) Inoperative
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. 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 Connector End View Reference: Master Electrical Component List in Wiring Systems |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Place the reading lamps in the ON position. Do all the reading lamps illuminate? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Are all reading lamps and vanity mirror lamps inoperative? | Go to Step 4 | Go to Step 7 |
| 4 | Is the INT/LAMP fuse in the instrument panel (I/P) fuse block open? | Go to Step 5 | Go to Step 6 |
| 5 | Test the following circuits for a short to ground:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the concern? |
Go to Step 14 | Go to Step 10 |
| 6 | Test the inadvertent power courtesy lamp and battery positive voltage (from the INT/LAMP fuse) circuits for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the concern? |
Go to Step 14 | Go to Step 10 |
| 7 | Test the inadvertent power courtesy lamp and ground circuits of the inoperative lamp for a high resistance or an open. Did you find and correct the condition? |
Go to Step 14 | Go to Step 8 |
| 8 | Test the bulb filament for an open. Is the bulb OK? |
Go to Step 9 | Go to Step 11 |
| 9 | Inspect for poor connections at the harness connector of the reading lamp. 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 |
| 10 | 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 |
| 11 | Replace the bulb. Refer to Reading Lamp and Bulb Replace - Overhead Console . Did you complete the replacement? |
Go to Step 14 | - |
| 12 | Replace the inoperative reading lamp assembly. Refer to the following:
Did you complete the replacement? |
Go to Step 14 | - |
| 13 | 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 14 | - |
| 14 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |