Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Is battery voltage measured? | -- | Go to Step 3 | Go to Step 5 |
3 | Measure the voltage to ground at the DRL relay connector terminal B9 (ORN). Is battery voltage measured? | -- | Go to Step 4 | Go to Step 6 |
4 |
Is battery voltage measured? | -- | Go to Step 7 | Go to Step 8 |
5 | Repair the open in CKT 439 (PNK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- |
6 | Repair the open in CKT 1640 (ORN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- |
7 | Connect a fused jumper between the DRL relay connector terminal B9 (ORN) and terminal A7 (PPL/WHT). Do the daytime running lamps turn on? | -- | Go to Step 9 | Go to Step 10 |
8 | Inspect CKT 592 (LT GRN/BLK) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 592 OK? | -- | Go to Step 11 | Go to Step 12 |
9 | Replace the DRL relay. Is the repair complete? | -- | Go to Step 13 | -- |
10 | Repair the open or short to ground in CKT 359 (PPL/WHT). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- |
11 | 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 13 | -- |
12 | Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- |
13 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK. | Go to Step 2 |
