For 1990-2009 cars

1. Check solenoid connector for open, spread or corroded terminals.
2. Test solenoid:

2.1. | Remove BTSI solenoid. (Refer to "Brake Transaxle Shift Interlock (BTSI) System" removal procedure in this service manual.)

2.2. | Ground terminal A of the BTSI solenoid and apply 12 volts to terminal B.

• | When 12 volts are applied to the BTSI solenoid, the actuator rod should not be able to move.

• | If the actuator rod can move with 12 volts applied, replace the BTSI solenoid.