Shift Interlock System
SHIFT INTERLOCK SYSTEMDESCRIPTION
The Brake Transmission Shifter/Ignition Interlock (BTSI) is a cable and solenoid operated system that prevents the transmission gear shifter from being moved out of PARK without a driver in place.
Refer to the chart for expected shifter response, depending on ignition key/switch and brake pedal positions.
DIAGNOSIS AND TESTING - BRAKE/TRANSMISSION SHIFT INTERLOCK SYSTEM
The chart describes the normal operation of the Brake Transmission Shift Interlock (BTSI) system. If the expected response differs from the vehicle's response, then system repair and/or adjustment is necessary.
Expected Shifter Response (part 1):
Expected Shifter Response (part 2):
Refer to the chart for expected shifter response, depending on ignition key/switch and brake pedal positions.