Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: Transmission does not shift out of the PARK position with the ignition ON and the brake pedal depressed. | ||||
1 | Did you perform the Automatic Transmission Shift Lock Control 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 8 |
3 |
Does the test lamp illuminate? | -- | Go to Step 4 | Go to Step 12 |
4 |
Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 9 |
5 | Connect a test lamp between the neutral safety switch signal circuit at the auto trans shift lock control solenoid and a battery positive voltage (B+). Does the test lamp illuminate? | -- | Go to Step 14 | Go to Step 6 |
6 | Connect a test lamp between the neutral safety switch signal circuit at the transmission range switch and battery positive voltage (B+). Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 10 |
7 | Connect a test lamp between the transmission range switch ground circuit at the transmission range switch connector and battery positive voltage (B+). Does the test lamp illuminate? | -- | Go to Step 16 | Go to Step 11 |
8 | Repair the open or high resistance in the stoplamp/auto trans shift lock control voltage supply circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 18 | -- |
9 | 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 18 | -- |
10 | Repair the open or high resistance in the auto trans shift lock solenoid neutral safety switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 18 | -- |
11 | Repair the open or high resistance in the transmission range switch ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 18 | -- |
12 |
Did you find and correct the condition? | -- | Go to Step 18 | Go to Step 13 |
13 | Replace the stoplamp/auto trans shift lock control switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes Did you complete the repair? | -- | Go to Step 18 | -- |
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 18 | Go to Step 15 |
15 | Replace the auto trans shift lock control solenoid. Refer to Automatic Transmission Shift Lock Control Actuator Replacement . Did you complete the repair? | -- | Go to Step 18 | -- |
16 |
Did you find and correct the condition? | -- | Go to Step 18 | Go to Step 17 |
17 | Replace the transmission range switch. Refer to Automatic Transmission Range Switch Replacement . Did you complete the repair? | -- | Go to Step 18 | -- |
18 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
