Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
SCHEMATIC REFERENCE: Backup Lamp Schematics | ||||
1 | Did you perform the Lighting System Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Did the backup lamps turn ON and OFF with each command? | -- | Go to Step 10 | Go to Step 3 |
3 |
Does the test lamp illuminate? | -- | Go to Step 4 | Go to Step 12 |
4 | Probe the switch side feed circuit of the backup lamp relay with a test lamp connected to a good ground. Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 13 |
5 |
Does the test lamp turn ON and OFF with each command? | -- | Go to Step 6 | Go to Step 9 |
6 |
Did the backup lamps illuminate? | -- | Go to Step 7 | Go to Step 14 |
7 | Inspect for poor connections at the backup lamp relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 7 |
8 | Replace the backup lamp relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the replacement? | -- | Go to Step 15 | -- |
9 | Test for an open circuit or high resistance in the backup lamp relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 10 |
10 | Inspect for poor connections at the rear integration module (RIM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 11 | |
11 | Replace the RIM. Refer to Rear Integration Body Control Module Replacement in Body Control System. Is the replacement complete? | -- | Go to Step 15 | -- |
12 | Repair the open or high resistance in the backup lamp coil side feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 15 | -- |
13 | Repair the open or high resistance in the backup lamp switch side feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 15 | -- |
14 | Repair open or high resistance in the backup lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
