Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Computer/Integrating Systems Connector End Views in Computer/Integrating Systems | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Do the backup lamps illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are both backup lamps inoperative? | Go to Step 4 | Go to Step 9 |
4 |
Do you hear a click when you command the REVERSE relay ON and OFF? | Go to Step 7 | Go to Step 5 |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 16 |
6 |
Does the test lamp illuminate? | Go to Step 13 | Go to Step 12 |
7 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 17 |
8 | Connect a 10-amp fused jumper between the battery positive voltage circuit of the REVERSE relay switch and the supply voltage circuit of the backup lamps. Do the backup lamps illuminate? | Go to Step 13 | Go to Step 11 |
9 |
Does the test lamp illuminate? | Go to Step 10 | Go to Step 18 |
10 | Connect a test lamp between the supply voltage circuit of the inoperative backup lamp and the ground circuit of the inoperative backup lamp. Does the test lamp illuminate? | Go to Step 15 | Go to Step 19 |
11 | Test for an open or high resistance in the supply voltage circuit of the backup lamps. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 19 |
12 | Test the control circuit of the REVERSE relay for an open or short to battery positive voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 14 |
13 | Inspect for poor connections at the REVERSE 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 23 | Go to Step 20 |
14 | Inspect for poor connections at the harness connector of the 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 23 | Go to Step 21 |
15 | Inspect for poor connections at the backup lamps. 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 23 | Go to Step 22 |
16 | Repair an open or a high resistance in the battery positive voltage circuit of the REVERSE relay coil. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
17 | Repair an open or high resistance in the battery positive voltage circuit of the REVERSE relay switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
18 | Repair an open or a high resistance in the supply voltage circuit of the backup lamps. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
19 | Repair an open or a high resistance in the ground circuit of the backup lamps. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
20 | Replace the REVERSE relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 23 | -- |
21 | Replace the RIM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 23 | -- |
22 | Replace the inoperative backup lamp. Refer to Backup Lamp Replacement . Did you complete the replacement? | Go to Step 23 | -- |
23 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |