Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||
2 | Verify that the instrument cluster illumination lamps are always on. Do the instrument cluster illumination lamps operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||
3 | Are all of the other dimmable instrument panel components always on? | -- | Go to Step 4 | Go to Step 7 | ||||
4 | Remove the ILLUM fuse 12 in the IP Fuse Block. Do the affected lamps remain on? | -- | Go to Step 5 | Go to Step 8 | ||||
5 | Test CKT 1220 (GRY) for short to voltage. Refer to Circuit Testing in Wiring Systems. Was a problem found? | -- | Go to Step 6 | Go to Step 7 | ||||
6 | Locate and repair the short to voltage in CKT 1220 (GRY). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 11 | -- | ||||
7 | Replace the Instrument Cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Is the repair complete? | -- | Go to Step 11 | -- | ||||
8 |
Do the affected lamps remain on? | -- | Go to Step 9 | Go to Step 10 | ||||
9 | Locate and repair the short to voltage in CKT 44 (DK GRN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 11 | -- | ||||
10 | Replace the Headlamp Switch. Refer to Headlamp Switch Replacement . Is the repair complete? | -- | 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 |
