Interior Backlighting Inoperative
Interior Backlighting Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Interior Lights Dimming Schematics Connector End View Reference: Master Electrical Component List |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Verify that the interior backlighting is inoperative. Does the interior backlighting operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Do the park lamps operate correctly? | Go to Step 4 | Go to Symptoms - Lighting Systems |
| 4 | Are all of the interior backlighting lamps inoperative? | Go to Step 7 | Go to Step 5 |
| 5 | Test for an open or high resistance in the following circuits of the inoperative lamp. Refer to Circuit Testing
and Wiring Repairs
.
Did you find and correct a condition? |
Go to Step 10 | Go to Step 6 |
| 6 | Connect a test lamp between the supply voltage circuit and ground circuit of the inoperative lamp. Refer to Wiring Repairs
. Does the test lamp illuminate? |
Go to Step 8 | Go to Step 7 |
| 7 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 10 | Go to Step 9 |
| 8 | Replace the affected lamp or internal lamp component. Did you complete the replacement? |
Go to Step 10 | - |
| 9 | Replace the BCM. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
Go to Step 10 | - |
| 10 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |