Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Exterior Lights System Check? | -- | Go to Step 2 | |
2 | Disconnect the brake switch connector C1. Do the lamps remain lit? | -- | Go to Step 3 | Go to Step 4 |
3 | Remove the CKT 20 shorting bar from splice pack S301. Do any of the stop lamps remain lit? | -- | Go to Step 5 | Go to Step 6 |
4 |
Is the repair complete? | -- | -- | |
5 | Repair the short to B+ in CKT 20 between splice pack S301 and the lit lamp. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
6 | Connect a test lamp between terminal B of the brake switch connector C1 and ground. Does the test lamp light? | -- | Go to Step 7 | Go to Step 8 |
7 | Repair the short to B+ in CKT 20 between splice pack S301 and the brake switch. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
8 |
Does the test lamp light? | -- | Go to Step 9 | Go to Step 10 |
9 | Repair the short to B+ in CKT 20 between splice pack S301 and the right IP junction block. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
10 |
Does the test lamp light? | -- | Go to Step 11 | Go to Step 12 |
11 |
Does the test lamp light? | -- | Go to Step 13 | Go to Step 14 |
12 | Replace the right IP junction block. Refer to Relay/Fuse Center Replacement in Wiring Systems. Is the repair complete? | -- | -- | |
13 | Repair the short to B+ in CKT 20 between the right IP junction block and the underhood junction block. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
14 |
Does the test lamp light? | -- | Go to Step 15 | Go to Step 16 |
15 |
Does the test lamp light? | -- | Go to Step 17 | Go to Step 18 |
16 |
Does the test lamp light? | -- | Go to Step 19 | Go to Step 20 |
17 | Repair the short to B+ in CKT 20 between the underhood junction block and the electronic brake control module (EBCM). Refer Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
18 | Replace the EBCM. Refer to Electronic Brake Control Module Replacement in Antilock Brake System. Is the repair complete? | -- | -- | |
19 |
Does the test lamp light? | -- | Go to Step 21 | Go to Step 22 |
20 | Replace the underhood junction block. Refer to Relay/Fuse Center Replacement in Wiring Systems. Is the repair complete? | -- | -- | |
21 | Repair the short to B+ in CKT 20 between the underhood junction block and the cruise control module. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
22 | Replace the cruise control module. Refer to Cruise Control Module Replacement in Cruise Control. Is the repair complete? | -- | -- |
