Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | -- | Go to Step 2 | |
2 | Disconnect the rear integration module (RIM) connector C1. Do the backup lamps turn off? | -- | Go to Step 6 | Go to Step 3 |
3 | Remove the REVERSE relay from the rear fuse block. Do the backup lamps turn off? | -- | Go to Step 7 | Go to Step 4 |
4 | Disconnect the rear fuse block connector C1. Do the backup lamps turn off? | -- | Go to Step 9 | Go to Step 5 |
5 | Repair the short to battery positive voltage (B+) in CKT 24 (LT GRN). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 11 | -- |
6 | Replace the rear integration module (RIM). Refer to Rear Integration Body Control Module Replacement in Body Control System. Is the RIM replacement complete? | -- | Go to Step 11 | -- |
7 | Connect a DMM from the rear integration module (RIM) connector C1 cavity A8 (DK GRN) to ground. Is the resistance less than the specified value? | 5 ohms | Go to Step 8 | Go to Step 10 |
8 | Replace the REVERSE relay in the rear fuse block. Do the backup lamps now operate properly? | -- | Go to Step 11 | Go to Step 9 |
9 | Replace the rear fuse block. Refer to Rear Electrical Center or Junction Block Replacement in Wiring Systems. Is the rear fuse block replacement complete? | -- | Go to Step 11 | -- |
10 | Repair the short to ground in CKT 646 (DK GRN). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK. | Go to Step 2 |
