Exterior Courtesy Lamp(s) Inoperative
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Exterior Courtesy Lamp(s) Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Data Communication Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Open any door. Do the exterior courtesy lamps operate correctly? |
Go to Testing for Electrical Intermittents | Go to Step 3 |
| 3 | Do the interior courtesy lamps illuminate? | Go to Step 4 | Go to Courtesy Lamps Inoperative |
| 4 |
|
Go to Step 6 | Go to Step 5 |
| 5 | Inspect the bulb for an open filament. Is the bulb good? |
Go to Step 7 | Go to Step 8 |
| 6 | Inspect for poor connections at the harness connector of the driver door switch or passenger door switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 11 | Go to Step 9 |
| 7 | Test for a short to ground or an open in the affected door exterior courtesy lamp supply voltage circuit and inspect for poor connections at the harness connector of the OSRV mirror. Refer to Circuit Testing
, Wiring Repairs
, Testing for Intermittent Conditions and Poor Connections
, and Connector Repairs
. Did you find and correct the condition? |
Go to Step 11 | Go to Step 10 |
| 8 | Replace the bulb. Refer to Outside Rearview Mirror Courtesy Lamp Replacement . Did you complete the replacement? |
Go to Step 11 | - |
| 9 | Replace the driver door switch or passenger door switch. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 11 | - |
| 10 | Replace the OSRV mirror. Refer to Power Mirror Replacement
. 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 |