Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Does the scan tool show any DTCs? | -- | Refer to Diagnostic System Check - Body Control System in Body Control System | |
2 | Turn the park lamps ON. Do the park lamps function properly? | -- | Refer to Park Lamps Inoperative in Lighting systems | |
3 | Remove and inspect the ILLUM fuse. Is the fuse open? | -- | ||
4 |
Is the repair complete? | -- | -- | |
5 |
Does the test lamp light? | -- | ||
6 | Connect a test lamp (back probe) from terminal K of the IP dimmer switch to ground. Does the test lamp light? | -- | ||
7 | Locate and repair CKT 44 (DK GRN) for an open circuit. Is the repair complete? | -- | -- | |
8 | Connect a test lamp (back probe) from terminal A of the IP dimmer switch to ground. Does the test lamp light? | -- | ||
9 | Replace the IP dimmer switch. Is the repair complete? | -- | -- | |
10 | Locate and repair CKT 74 (LT BLU) for an open circuit between the IP dimmer switch terminal A and terminal M4 of the IP fuse block. Is the repair complete? | -- | -- | |
11 |
Does the test lamp light? | -- | ||
12 | Locate and repair CKT 1220 (GRY/BLK) for an open circuit between the instrument cluster connector B2 and the IP fuse block terminal N5. Is the repair complete? | -- | -- | |
13 | Connect a DMM between ground and teminal B3 and check for continuity. Do you have continuity? | -- | ||
14 | Repair or replace the instrument cluster and/or lights as needed. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Is the repair complete? | -- | ||
15 | Locate and repair CKT 1850 (BLK) for an open to ground. Is the repair complete? | -- | -- |
