Electric Load Sensor: Description and Operation

OPERATION
The electrical load switch inputs the ON/OFF condition of the switch of equipment which consumes a large amount power during idling (equipment with a large electrical load) to the engine control module The engine control module controls the idle air control motor based on this signal.

When the switch of the equipment which creates a large electrical load is turned on, battery positive voltage is applied to the engine control module to indicate that the equipment switch is turned on.