Diagnostic Aids
Before performing this procedure, ensure that the vehicle park brake is SET.
Step | Action | Value(s) | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Object Detection Schematics Connector End View Reference: Object Detection Connector End Views or Computer/Integrating Systems Connector End Views | ||||||||||
1 | Did you review the operation and perform the necessary inspections? | -- | Go to Step 2 | |||||||
2 |
Do all 3 display indicators illuminate for 2 seconds and then turn OFF? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 | ||||||
3 | Does the red indicator flash? | -- | Go to Rear Parking Assist Inoperative - Red Indicator Flashes | Go to Step 4 | ||||||
4 | Do all of the indicators but one indicator illuminate? | -- | Go to Step 6 | Go to Step 5 | ||||||
5 | Does any indicator remain ON? | -- | Go to Step 7 | Go to Step 10 | ||||||
6 | Connect a test lamp between the control circuit of the inoperative indicator at the module connector and a good ground. Does the test lamp illuminate? | -- | Go to Step 16 | Go to Step 8 | ||||||
7 |
Does the indicator illuminate? | -- | Go to Step 9 | Go to Step 15 | ||||||
8 | Test the control circuit of the inoperative indicator for the following conditions:
Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 15 | ||||||
9 | Test the control circuit of the indicator for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 16 | ||||||
10 | Test the rear object sensor control module ground circuit for an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 11 | ||||||
11 | Test the rear object sensor control module ignition 1 voltage circuit for an open and for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 12 | ||||||
12 | Test the backup lamp supply voltage circuit for an open or for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 13 | ||||||
13 |
Does the test lamp illuminate? | -- | Go to Step 15 | Go to Step 14 | ||||||
14 | Test the rear parking assist display supply voltage circuit for an open and for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 16 | ||||||
15 | Inspect for poor connections at the harness connector of the rear parking assist display. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 17 | ||||||
16 | Inspect for poor connections at the harness connector of the rear object sensor control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 18 | ||||||
17 | Replace the rear parking assist display. Refer to Information Center Telltale Assembly Replacement . Did you complete the replacement? | -- | Go to Step 19 | -- | ||||||
18 | Replace the rear object sensor control module. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | -- | Go to Step 19 | -- | ||||||
19 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 | ||||||
