Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: Transmission shift lever does not lock in the PARK position with the ignition ON and brake pedal not depressed. | ||||
1 | Did you perform the Auto Trans Shift Lock Control System Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Automatic Transmission Shift Lock Control |
2 |
Does the test lamp illuminate? | -- | Go to Step 3 | Go to Step 5 |
3 |
Does the test lamp illuminate? | -- | Go to Step 4 | Go to Step 16 |
4 |
Does the test lamp illuminate? | -- | Go to Step 15 | Go to Step 10 |
5 |
Does the scan tool display ON? | -- | Go to Step 6 | Go to Step 22 |
6 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 11 |
7 | Connect a test lamp between the park relay switch side feed circuit and a good ground. Does the test lamp illuminate? | -- | Go to Step 8 | Go to Step 12 |
8 |
Does the test lamp turn ON and OFF with each command? | -- | Go to Step 9 | Go to Step 13 |
9 |
Does the auto trans shift lock operate properly? | -- | Go to Step 20 | Go to Step 14 |
10 | Repair the open or high resistance in the auto trans shift lock solenoid supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 24 | -- |
11 | Repair the open or high resistance in the park relay coil side feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 24 | -- |
12 | Repair the open or high resistance in the park relay switch side feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 24 | -- |
13 | Test for an open or high resistance in the park relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 24 | Go to Step 22 |
14 | Repair the open or high resistance in the neutral safety switch park signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 24 | -- |
15 | Test for an open or high resistance in the auto trans shift lock control solenoid ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 24 | Go to Step 18 |
16 |
Did you find and correct the condition? | -- | Go to Step 24 | Go to Step 17 |
17 | Replace the auto trans shift lock control switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Did you complete the replacement? | -- | Go to Step 24 | -- |
18 |
Did you find and correct the condition? | -- | Go to Step 24 | Go to Step 19 |
19 | Replace the auto trans shift lock control solenoid. Refer to Automatic Transmission Shift Lock Control Disassemble - Off Vehicle and Automatic Transmission Shift Lock Control Assemble - Off Vehicle in Steering Wheel and Column. Did you complete the replacement? | -- | Go to Step 24 | -- |
20 | Inspect for poor connections at the park 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 24 | Go to Step 21 |
21 | Replace the park relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the replacement? | -- | Go to Step 24 | -- |
22 | 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 24 | Go to Step 23 |
23 | Replace the rear integration module (RIM). Refer to Rear Integration Body Control Module Replacement in Body Control System. Did you complete the replacement? | -- | Go to Step 24 | -- |
24 | Operate system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
