Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Headlight System Check performed? | -- | Go to Step 2 | Go to Headlight System Check |
2 |
Refer to Testing for Short to Ground in Wiring Systems. Is the circuit OK? | -- | Go to Step 3 | Go to Step 7 |
3 | Connect a J 39200 digital multimeter (DMM) from pin B9 to pin A7 of the DRL relay. Is the resistance less than the specified value? | 20 ohms | Go to Step 8 | Go to Step 4 |
4 |
| -- | Go to Step 5 | Go to Step 9 |
5 | Inspect CKT 772 (YEL) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 772 OK? | -- | Go to Step 6 | Go to Step 10 |
6 | Disconnect the park/neutral position (PNP) switch. Does the scan tool TR switch input B now show high? | -- | Go to Step 11 | Go to Step 12 |
7 | Repair the short to ground in the appropriate circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Headlight System Check | -- |
8 | Replace the DRL relay. Is the repair complete? | -- | Go to Headlight System Check | -- |
9 | Replace the body control module (PZM). Refer to Body Control Module Replacement in Body Control System. Is the repair complete? | -- | Go to Headlight System Check | -- |
10 | Repair the short to ground in CKT 772 (YEL). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Headlight System Check | -- |
11 | Replace the park/neutral position (PNP) switch. Refer to Park/Neutral Position Switch Replacement in Automatic Transaxle-4T80-E. Is the repair complete? | -- | Go to Headlight System Check | -- |
12 | Replace the powertrain control module (PCM). Refer to Powertrain Control Module Replacement/Programming in Engine Controls-4.0L, 4.6L. Is the repair complete? | -- | Go to Headlight System Check | -- |
