Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Interior Lights Dimming System Check? | -- | Go to Step 2 | |
2 | Place the headlamp switch in the PARK position. Do the park lamps operate properly? | -- | Go to Step 3 | |
3 |
Is the voltage within the specified range? | 10-15 V | Go to Step 4 | Go to Step 8 |
4 | Connect a DMM between the panel dimming module connector cavity H (BRN) and terminal K (BLK). Is the voltage within the specified range? | 10-15 V | Go to Step 5 | Go to Step 9 |
5 |
Does the resistance vary as the dimming switch operates? | -- | Go to Step 6 | Go to Step 10 |
6 | Test CKT 8 (GRY) for a short to battery positive voltage (B+). Refer to Testing for Continuity in Wiring Systems. Is there a short to battery voltage in CKT 8? | -- | Go to Step 7 | Go to Step 12 |
7 | Replace the panel dimming module. Is the panel dimming module replacement complete? | -- | -- | |
8 | Repair the open the CKT 9 (BRN) between the IP junction block and the panel dimming module. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
9 | Repair the open in CKT 450 (BLK) between the panel dimming module and G201. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
10 | Test CKT 44 (DK GRN) for an open or a short to ground. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is there an open or short to ground in CKT 44? | -- | Go to Step 11 | Go to Step 12 |
11 | Replace the headlamp switch. Is the headlamp switch replacement complete? | -- | -- | |
12 | Repair the faulty wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- |
