Step
| Action
| Yes
| No
|
Schematic Reference:
Interior Lights Schematics
|
1
| Did you review the Lighting System Description and Operation and perform the
necessary inspections?
| Go to
Step 2
| Go to
Symptoms - Lighting Systems
|
2
| Verify that the dome lamps are always on.
Does the system operate normally?
| Go to
Testing for Electrical Intermittents
| Go to
Step 3
|
3
|
- Disconnect them multifunction alarm module.
- Disconnect C2 of the left instrument panel junction block.
Did the dome lamps turn off?
| Go to
Step 4
| Go to
Step 7
|
4
|
- Disconnect C11 of the instrument panel fuse block.
- Test for a short to ground at C2 cavities 9 and 10 of the left instrument
panel junction block. Refer to
Circuit Testing
and
Wiring Repairs
in Wiring Systems.
Did you find and repair the short to ground?
| Go to
Step 10
| Go to
Step 5
|
5
|
- Disconnect C5 of the instrument panel fuse block.
- Test for a short to ground at cavities 14, 15 and 16. Refer to
Circuit Testing
and
Wiring Repairs
in Wiring Systems.
Did you find and repair the short
to ground?
| Go to
Step 10
| Go to
Step 6
|
6
| Replace the instrument panel harness. Refer to
Instrument Panel Wiring Harness Replacement
in Instrument Panel, Gages and Console.
Did you complete the replacement?
| Go to
Step 10
| --
|
7
|
- Disconnect the instrument panel lamp dimmer.
- Test for a short to ground at cavity 1 of the I/P lamp dimmer harness.
Refer to
Circuit Testing
and
Wiring Repairs
in Wiring Systems.
Did you find and complete the repair?
| Go to
Step 10
| Go to
Step 8
|
8
|
- Disconnect C7 of the instrument panel fuse block.
- Test for a short to ground at cavity 3 of C7. Refer to
Circuit Testing
and
Wiring Repairs
in Wiring Systems.
Did you find and complete the repair?
| Go to
Step 10
| Go to
Step 9
|
9
|
- Disconnect C3 of the instrument panel fuse block.
- Test for a short to ground at cavity 6 of C3. Refer to
Circuit Testing
and
Wiring Repairs
in Wiring Systems.
Did you find and complete the repair?
| Go to
Step 10
| Go to
Step 6
|
10
| Operate the system in order to verify the repair.
Did you correct the condition?
| System OK
| Go to
Step 3
|