Shift Lever Can Be Moved without Brake Pedal Depressed
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Shift Lever Can Be Moved without Brake Pedal Depressed
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Shift Lock Control Schematics Connector End View Reference: Shift Lock Control Connector End Views or Automatic Transmission Related Connector End Views 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 all the necessary inspections? | Go to Step 2 | Go to Symptoms - Automatic Transmission Shift Lock Control |
| 2 |
|
Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 |
|
Go to Step 4 | Go to Step 8 |
| 4 | Connect a test lamp between the A/T shift lock switch supply voltage circuit at the automatic transmission shift lock control switch and a good ground. Does the test lamp illuminate? |
Go to Step 5 | Go to Step 14 |
| 5 |
|
Go to Step 6 | Go to Step 11 |
| 6 | Connect a test lamp between the automatic transmission shift lock control solenoid supply voltage circuit at the automatic transmission shift lock control solenoid and a good ground. Does the test lamp illuminate? |
Go to Step 7 | Go to Step 15 |
| 7 | Test the automatic transmission shift lock control solenoid ground circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 20 | Go to Step 12 |
| 8 |
|
Go to Step 9 | Go to Step 13 |
| 9 |
|
Go to Step 10 | Go to Step 16 |
| 10 |
|
Go to Step 20 | Go to Step 17 |
| 11 | Inspect for poor connections at the harness connector of the automatic transmission shift lock control switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 20 | Go to Step 18 |
| 12 | Inspect for poor connections at the harness connector automatic transmission 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 20 | Go to Step 19 |
| 13 | Repair the open or short in the ignition 1 voltage circuit of the PNP switch. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 20 | - |
| 14 | Repair the open or short in the A/T shift lock switch supply voltage circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 20 | - |
| 15 | Repair the open in the A/T shift lock control solenoid supply voltage circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 20 | - |
| 16 | Repair the open or short in the PNP switch park signal circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 20 | - |
| 17 | Replace the PNP switch. Refer to Park/Neutral Position Switch Replacement
. Did you complete the replacement? |
Go to Step 20 | - |
| 18 | Replace the automatic transmission shift lock control switch. Refer to Stop Lamp Switch Replacement
. Did you complete the replacement? |
Go to Step 20 | - |
| 19 | Replace the automatic transmission shift lock control solenoid. Refer to Automatic Transmission Shift Lock Actuator Replacement . Did you complete the replacement? |
Go to Step 20 | - |
| 20 | Operate the system in order to verify the repair. Did you find and correct the condition? |
System OK | Go to Step 2 |