Throttle Position Switch: Description and Operation

Throttle Sensor-Soft/Hard Idle Switch:

SOFT IDLE SWITCH


Refer to THROTTLE SENSOR

Fig. 55 Idle Switch:

HARD IDLE SWITCH

The hard idle switch is mounted in the throttle sensor on the throttle shaft. This switch closes at idle to signal the ECU that the throttle is in the idle position. It is made up of contact points and is used for engine control when the soft idle switch malfunctions.