Shift Lever Can Be Moved without Brake Pedal Depressed LHD 4L60
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Shift Lever Does Not Move with Brake Pedal Depressed DEFINITION: Transmission shift lever does not lock in the PARK position with the ignition ON and the brake pedal not pressed. | |||
1 | Did you perform the Symptoms - Automatic Transmission Shift Lock Control tests and perform all the necessary inspections? | Go to Step 2 | Go to Symptoms - Automatic Transmission Shift Lock Control in Automatic Transmission - 6L80 |
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 shift lever move out of the PARK position? | Go to Step 6 | Go to Step 4 |
4 | Test the shift lock control relay brake switch input circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 5 |
5 | Test the shift lock control relay ground circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 7 |
6 | Test the shift lock control solenoid feed circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 8 |
7 | Inspect for poor connections at the shift lock control 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 11 | Go to Step 9 |
8 | Inspect for poor connections at the 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 11 | Go to Step 10 |
9 | Replace the shift lock control relay. Refer to Relay Replacement - Relay within an Electrical Center . Did you complete the repair? | Go to Step 11 | -- |
10 | Replace the shift lock control solenoid. Refer to Automatic Transmission Shift Lock Control Actuator Replacement in Automatic Transmission - 6L80. Did you complete the repair? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you find and correct the condition? | System OK | Go to Step 2 |
Shift Lever Can Be Moved without Brake Pedal Depressed LHD 5L40
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Automatic Transmission Controls Schematics DEFINITION: Transmission shift lever does not lock in the PARK position with the ignition ON and the brake pedal not pressed. | |||
1 | Did you perform the Symptoms - Automatic Transmission Shift Lock Control tests and perform all the necessary inspections? | Go to Step 2 | |
2 |
Does the shift lever move out of the PARK position? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
3 |
Does the shift lever move out of the PARK position? | Go to Step 6 | Go to Step 4 |
4 | Test the shift lock control relay brake switch input circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 5 |
5 | Test the shift lock control relay ground circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 7 |
6 | Test the shift lock control solenoid feed circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 8 |
7 | Inspect for poor connections at the shift lock control relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 9 |
8 | Inspect for poor connections at the shift lock control solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
9 | Replace the shift lock control relay. Refer to Relay Replacement - Relay within an Electrical Center . Did you complete the repair? | Go to Step 11 | -- |
10 | Replace the shift lock control solenoid. Refer to Automatic Transmission Shift Lock Control Actuator Replacement . Did you complete the repair? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you find and correct the condition? | System OK | Go to Step 2 |
