For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Automatic Transmission Shift Lock Control System Check? | Go to Step 2 | Go to Automatic Transmission Shift Lock Control System Check
2 |

1. Place the manual selector in Park.
2. Turn the ignition switch ON.
3. Depress the brake pedal.
4. Test for battery voltage at terminal 2 of the stoplamp switch. Refer to Circuit Testing in Wiring Systems.

Is battery voltage present?

Go to Step 10

Go to Step 3

3 | Test for battery voltage at terminal 4 of the stoplamp switch. Refer to Circuit Testing in Wiring Systems. Is battery voltage present? | Go to Step 4 | Go to Step 5
4 | Replace or adjust the stoplamp switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Is the repair complete? | Go to Automatic Transmission Shift Lock Control System Check | --
5 | Test for battery voltage at terminal 9 of the transaxle range switch. Refer to Circuit Testing in Wiring Systems. Is battery voltage present? | Go to Step 6 | Go to Step 7
6 | Repair the open in the ORN/BLK wire between the transaxle range switch and the stoplamp switch. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Automatic Transmission Shift Lock Control System Check | --
7 | Test for battery voltage at terminal 8 of the transaxle range switch. Refer to Circuit Testing in Wiring Systems. Is battery voltage present? | Go to Step 8 | Go to Step 9
8 | Replace the transaxle range switch. Refer to Transaxle Range Switch in Automatic Transmission. Is the repair complete? | Go to Automatic Transmission Shift Lock Control System Check | --
9 | Repair the open in the YEL wire between the transaxle range switch and the junction block. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Automatic Transmission Shift Lock Control System Check | --
10 |

1. Place the manual selector in Park.
2. Turn the ignition switch ON.
3. Depress the brake pedal.
4. Test for battery voltage at terminal 4 of the shift lock solenoid connector. Refer to Circuit Testing in Wiring Systems.

Is battery voltage present?

Go to Step 12

Go to Step 11

11 | Repair the open in the ORN/WHT wire between the stoplamp switch and the shift lock solenoid. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Automatic Transmission Shift Lock Control System Check | --
12 | Test for an open in the BLK wire between the shift lock solenoid connector and G400. Refer to Circuit Testing in Wiring Systems. Is an open present? | Go to Step 13 | Go to Step 14
13 | Repair the open in the BLK wire between the shift lock solenoid and G400. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Automatic Transmission Shift Lock Control System Check | --
14 | Replace the shift lock solenoid. Refer to Shift Lock Solenoid in Automatic Transmission. Is the repair complete? | Go to Automatic Transmission Shift Lock Control System Check | --