Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the LH door lock actuator operate properly? | -- | Go to Step 3 | Go to Step 9 |
3 | Inspect the body control module (PZM) passenger door lock actuator input. Does the RH door lock actuator operate properly? | -- | Go to Step 4 | Go to Step 12 |
4 |
Do the door lock cylinder switches operate properly? | -- | Go to Step 5 | Go to Step 15 |
5 | Inspect the IPC interior lamp switch input. Does the interior lamp switch operate properly? | -- | Go to Step 6 | Go to Step 20 |
6 | Remove the courtesy relay from the rear compartment relay center 2. Do the courtesy lamps turn off? | -- | Go to Step 7 | Go to Step 23 |
7 |
Do the courtesy lamps turn off? | -- | Go to Step 8 | Go to Step 24 |
8 | 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 29 | -- |
9 | Disconnect the LH door lock actuator connector. Do the courtesy lamps turn off? | -- | Go to Step 10 | Go to Step 11 |
10 | Replace the LH door lock actuator. Refer to Door Lock Actuator Replacement in Doors. Is the door lock actuator replacement complete? | -- | Go to Step 29 | -- |
11 | Inspect CKT 126 (TAN) for a short to ground. Refer to Testing for Short to Ground in Wiring Systems. Is CKT 126 OK? | -- | Go to Step 8 | Go to Step 28 |
12 | Disconnect the RH door lock actuator connector. Do the courtesy lamps turn off? | -- | Go to Step 13 | Go to Step 14 |
13 | Replace the RH door lock actuator. Refer to Door Lock Actuator Replacement in Doors. Is the door lock actuator replacement complete? | -- | Go to Step 29 | -- |
14 | Inspect CKT 727 (DK BLU/WHT) for a short to ground. Refer to Testing for Short to Ground in Wiring Systems. Is CKT 727 OK? | -- | Go to Step 8 | Go to Step 28 |
15 | Disconnect the LH door lock cylinder switch connector C502. Do the courtesy lamps turn off? | -- | Go to Step 16 | Go to Step 17 |
16 | Replace the LH door lock cylinder switch. Refer to Door Lock Cylinder Replacement in Doors. Is the door lock cylinder switch replacement complete? | -- | Go to Step 29 | -- |
17 | Disconnect the RH door lock cylinder switch connector C602. Do the courtesy lamps turn off? | -- | Go to Step 18 | Go to Step 19 |
18 | Replace the RH door lock cylinder switch. Refer to Door Lock Cylinder Replacement in Doors. Is the door lock cylinder switch replacement complete? | -- | Go to Step 29 | -- |
19 | Inspect CKT 262 (LT GRN) for a short to ground. Refer to Testing for Short to Ground in Wiring Systems. Is CKT 262 OK? | -- | Go to Step 25 | Go to Step 28 |
20 | Disconnect the headlamp switch connector C2. Do the courtesy lamps turn off? | -- | Go to Step 21 | Go to Step 22 |
21 | Replace the headlamp switch. Refer to Headlamp Switch Replacement in Instrument Panel, Gauges and Console. Is the headlamp switch replacement complete? | -- | Go to Step 29 | -- |
22 | Inspect CKT 328 (PPL) for a short to ground. Refer to Testing for Short to Ground in Wiring Systems. Is CKT 328 OK? | -- | Go to Step 26 | Go to Step 28 |
23 | Repair the short to ground in CKT 1495 (DK BLU/WHT). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 29 | -- |
24 | Inspect CKT 1393 (DK BLU) for a short to ground. Refer to Testing for Short to Ground in Wiring Systems. Is CKT 1393 OK? | -- | Go to Step 27 | Go to Step 28 |
25 | Inspect CKT 265 (LT GRN) for a short to ground. Refer to Testing for Short to Ground in Wiring Systems. Is CKT 265 OK? | -- | Go to Step 8 | Go to Step 28 |
26 | Replace the instrument cluster (IPC). Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Is the IPC replacement complete? | -- | Go to Step 29 | -- |
27 | Replace the courtesy relay. Is the repair complete? | -- | Go to Step 29 | -- |
28 | Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 29 | -- |
29 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK. | Go to Step 2 |
