Shift Interlock: Description and Operation

When the ignition SW is turned to ACC position the current from the ACCfuse flows to TERMINAL 1 of the shift lock control computer. When the ignition SW is turned to ON position, the current from the ECU-IG fuse flows to TERMINAL 3 of the shift lock control computer.

1. SHIFT LOCK MECHANISM
With the ignition SW ON, when a signal that the brake pedal is depressed (Stop light SW ON) and a signal that the shift lever is put in P position (Continuous between P1 and P of the shift lock control SW) is input to the shift lock control computer, the shift lock control computer operates and current from the ECU-IG fuse flows to TERMINAL 3 of the shift lock control computer to TERMINAL SLS+ to TERMINAL 3 (4WD) or 2 (2WD) of the shift lock solenoid to TERMINAL 6 (4WD) or 1 (2WD) to TERMINAL SLS- of the shift lock control computer to TERMINAL 7 to GROUND. This causes the shift lock solenoid to turn ON (Plate stopper disengages) and the shift lever can shift into position other than P.

2. KEY INTERLOCK MECHANISM
With the ignition SW at ON or ACC position, when the shift lever is put in P position (No continuous between P2 and P of the shift lock control SW), the current flowing from TERMINAL 6 of the shift lock control computer to key interlock solenoid is cut OFF. This causes the key interlock solenoid to turn OFF (Lock lever disengages from LOCK position) and the ignition key can be turned from ACC to LOCK position.