System Description

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.

CONSTRUCTION
The electrical load switch is located within the engine control module and can only be replaced as part of the engine control module.