Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Shift Lock Control Schematics DEFINITION: Transmission shift lever does not lock in the PARK position with the ignition ON and the brake pedal not applied. | |||
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 shift lever move out of the PARK position? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 |
Does the test lamp illuminate? | Go to Step 4 | Go to Step 7 |
4 |
Does the test lamp illuminate? | Go to Step 5 | Go to Step 13 |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 17 |
6 |
Does the test lamp illuminate? | Go to Step 14 | Go to Step 18 |
7 |
Does the scan tool display ON? | Go to Step 8 | Go to Step 15 |
8 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 19 |
9 | Connect a test lamp between the park relay switch side feed circuit and a good ground. Does the test lamp illuminate? | Go to Step 10 | Go to Step 20 |
10 |
Does the test lamp turn ON and OFF with each command? | Go to Step 11 | Go to Step 12 |
11 |
Did the shift lever move out of the PARK position? | Go to Step 21 | Go to Step 16 |
12 | Test the for an open or short to battery voltage 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 26 | Go to Step 15 |
13 | Inspect for poor connections at the automatic transmission shift lock control switch. 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 26 | Go to Step 22 |
14 | Inspect for poor connections at the auto trans shift lock control solenoid. 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 26 | Go to Step 23 |
15 | Inspect for poor connections at the harness connector of 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 26 | Go to Step 25 |
16 | 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 26 | Go to Step 24 |
17 | Repair the open or short to ground in the automatic transmission shift lock control solenoid supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 26 | -- |
18 | Repair the open in the automatic transmission shift lock control solenoid ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 26 | -- |
19 | 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 26 | -- |
20 | 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 26 | -- |
21 | Repair the open or high resistance in the automatic transmission shift lock control switch supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 26 | -- |
22 | Replace the automatic transmission shift lock control switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Did you complete the replacement? | Go to Step 26 | -- |
23 | Replace the automatic transmission shift lock control solenoid. Refer to Automatic Transmission Shift Lock Actuator Replacement . Did you complete the replacement? | Go to Step 26 | -- |
24 | Replace the park relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the replacement? | Go to Step 26 | -- |
25 | 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 26 | -- |
26 | Operate the system in order to verify the repair. Did you find and correct the condition? | System OK | Go to Step 2 |