Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Shift Lock Control Schematics DEFINITION: Transmission shift lever will not move out of the PARK position with the Ignition ON and the brake pedal pressed. | |||
1 | Did you perform the Diagnostic System Check - Automatic Transmission Shift Lock Control System? | 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 Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the shift lever move out of the PARK position? | Go to Step 5 | Go to Step 4 |
4 | Test the A/T shift lock control solenoid supply circuit for a 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 9 | Go to Step 6 |
5 | Inspect for poor harness 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 9 | Go to Step 7 |
6 | Inspect for poor harness connections at the automatic transmission 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 9 | Go to Step 8 |
7 | 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 9 | -- |
8 | Replace the automatic transmission shift lock control solenoid. Refer to Transmission Control Replacement in Automatic Transaxle-4T80-E. Did you complete the replacement? | Go to Step 9 | -- |
9 | Operate the vehicle in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Shift Lock Control Schematics DEFINITION: Transmission shift lever does not move out of the PARK position with the ignition ON and the brake pedal pressed. | |||
1 | Did you perform the Automatic Transmission 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 Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the shift lever move out of the PARK position? | Go to Step 10 | Go to Step 4 |
4 | Connect a test lamp between the ignition 3 voltage circuit at the automatic transmission shift lock control solenoid assembly and a good ground. Does the test lamp illuminate? | Go to Step 5 | Go to Step 12 |
5 | Test the A/T shift lock control solenoid supply voltage circuit for a 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 16 | Go to Step 6 |
6 | Test for an open in the shift lock relay ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 16 | Go to Step 7 |
7 |
Does the shift lever move out of the PARK position? | Go to Step 9 | Go to Step 8 |
8 | Test the automatic transmission 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 16 | Go to Step 11 |
9 | Inspect for poor harness connections at the shift lock 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 16 | Go to Step 13 |
10 | Inspect for poor harness 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 16 | Go to Step 14 |
11 | Inspect for poor harness connections at the automatic transmission 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 16 | Go to Step 15 |
12 | Repair the open in the ignition 3 voltage circuit of the automatic transmission shift lock control solenoid assembly. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 16 | -- |
13 | Replace the shift lock relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the replacement? | Go to Step 16 | -- |
14 | Replace the automatic transmission shift lock control switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Did you complete the repair? | Go to Step 16 | -- |
15 | Replace the automatic transmission shift lock control solenoid. Refer to Transmission Control Replacement in Automatic Transaxle-4T80-E. Did you complete the replacement? | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you find and correct the condition? | System OK | Go to Step 2 |