Shift Position Interlock

Battery voltage is supplied at all times through fuse 7 (in the under-hood fuse/relay box) to the brake pedal position switch. With the ignition switch in ON (II) or START (III), battery voltage is supplied through fuse 10 (in the under-dash fuse/relay box) to the shift lock solenoid.

When the brake pedal is pressed, a battery voltage input is supplied to the PCM and the multiplex control unit. If, at the same* time, the accelerator pedal is not pressed, the PCM provides ground to the shift lock solenoid. The solenoid is then energized allowing the shift lever to be moved.

When the shift lever is moved from PARK (P), a path to ground is provided for the P-PIN input to the multiplex control unit. The multiplex control unit detects that the shift lever is out of PARK (P) through this input.

Refer to the A/T INTERLOCK SYSTEM for specific tests and troubleshooting procedures;.