Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the park lamp switch operate properly? | -- | Go to Step 3 | Go to Step 8 |
3 |
Is battery voltage measured? | -- | Go to Step 4 | Go to Step 11 |
4 | Connect a fused jumper between the park lamps relay connector terminal A4 (RED) and terminal B6 (PPL). Do the park lamps turn on? | -- | Go to Step 5 | Go to Step 12 |
5 |
Is battery voltage measured? | -- | Go to Step 6 | Go to Step 7 |
6 | Inspect CKT 308 (GRY/BLK) for an open between the rear compartment relay center 2 and the body control module (PZM). Refer to Testing for Continuity in Wiring Systems. Is CKT 308 OK? | -- | Go to Step 13 | Go to Step 18 |
7 | Inspect CKT 352 (WHT) for an open or short to ground. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is CKT 352 OK? | -- | Go to Step 14 | Go to Step 18 |
8 |
Is the IPC park lamp switch input on? | -- | Go to Step 9 | Go to Step 10 |
9 | Inspect CKT 151 (BLK/WHT) for an open between the headlamp switch and S216. Refer to Testing for Continuity in Wiring Systems. Is CKT 151 OK? | -- | Go to Step 16 | Go to Step 18 |
10 | Inspect CKT 74 (LT BLU) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 74 OK? | -- | Go to Step 17 | Go to Step 18 |
11 | Repair the open or short to ground in CKT 1342 (RED). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 19 | -- |
12 | Repair the open or short to ground in CKT 256 (PPL). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 19 | -- |
13 | Replace the park lamps relay. Is the repair complete? | -- | Go to Step 19 | -- |
14 | Inspect CKT 308 (GRY/BLK) for an open between the rear compartment relay center 2 and the headlamp switch. Refer to Testing for Continuity in Wiring Systems. Is CKT 308 OK? | -- | Go to Step 15 | Go to Step 18 |
15 | Replace the body control module (PZM). Refer to Body Control Module Replacement in Body Control Systems. Is the body control module replacement complete? | -- | Go to Step 19 | -- |
16 | Replace the headlamp switch. Refer to Headlamp Switch Replacement in Lighting Systems. Is the headlamp switch replacement complete? | -- | Go to Step 19 | -- |
17 | Replace the instrument cluster IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Is the IPC replacement complete? | -- | Go to Step 19 | -- |
18 | Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 19 | -- |
19 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK. | Go to Step 2 |
