A/C Switch
Informs ECM when A/C system is on. ECM responds by increasing idle speed to improve idling and reduce emissions. During heavy engine load, ECM will also open the A/C clutch relay to disengage A/C clutch.
Informs ECM when A/C system is on. ECM responds by increasing idle speed to improve idling and reduce emissions. During heavy engine load, ECM will also open the A/C clutch relay to disengage A/C clutch.