Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Park Diagnostic System Check? | -- | Go to Step 2 | |
2 | Attempt to release the park brake using the manual release. Does the park brake release? | -- | Go to Step 24 | Go to Step 3 |
3 |
Does the park brake relay A turn ON and OFF with each command? | -- | Go to Step 13 | Go to Step 4 |
4 |
Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 11 |
5 |
Does the test lamp turn ON and OFF with each command? | -- | Go to Step 9 | Go to Step 6 |
6 | Does the test lamp remain illuminated with each command? | -- | Go to Step 8 | Go to Step 7 |
7 | Test the control circuit of the park brake relay A for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 10 |
8 | Test the control circuit of the park brake relay A for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 26 |
9 | Inspect for poor connections at the park brake relay A. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 12 |
10 | Inspect for poor connections at the harness connector of the park brake relay A. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 12 |
11 | Repair the coil side feed circuit or the switch side feed circuit of the park brake relay A. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 27 | -- |
12 | Replace the park brake relay A. Did you complete the replacement? | -- | Go to Step 27 | -- |
13 |
Does the park brake relay B turn ON and OFF with each command? | -- | Go to Step 23 | Go to Step 14 |
14 |
Does the test lamp illuminate? | -- | Go to Step 15 | Go to Step 21 |
15 |
Does the test lamp turn ON and OFF with each command? | -- | Go to Step 19 | Go to Step 16 |
16 | Does the test lamp remain illuminated with each command? | -- | Go to Step 18 | Go to Step 17 |
17 | Test the control circuit of the park brake relay B for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 20 |
18 | Test the control circuit of the park brake relay B for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 26 |
19 | Inspect for poor connections at the park brake relay B. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 22 |
20 | Inspect for poor connections at the harness connector of the park brake relay B. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 26 |
21 | Repair the coil side feed circuit or the switch side feed circuit of the park brake relay B. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 27 | -- |
22 | Replace the park brake relay B. Did you complete the replacement? | -- | Go to Step 27 | -- |
23 | Test the switch side control circuit(s) of park brake relay(s) A and B for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 24 |
24 | Inspect the park brake system for mechanical failure or binding. Did you find and correct the condition? | -- | Go to Step 27 | Go to Step 25 |
25 | Replace the park brake release solenoid. Refer to Parking Brake Lever Pedal Assembly Replacement Did you complete the replacement? | -- | Go to Step 27 | -- |
26 | Replace the rear integration module. Refer to Rear Integration Body Control Module Replacement . Did you complete the replacement? | -- | Go to Step 27 | -- |
27 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
