mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

ABOUT US
Coolant Temperature Sensor / Switch HVAC > < Climate Control Unit <--> [Control Module HVAC]|Testing and Inspection|Page 6266

MX-6 L4-1991cc 2.0L DOHC (1993)

Page 1
background image

Air Conditioning Switch: Description and Operation

PURPOSE

Signal PCME when A/C is switched "ON," causing it to operate cooling and condenser fans, and stabilize idle speed to compensate for load.

LOCATION

Instrument panel.

OPERATION

When A/C is switched "ON," PCME raises idle speed with idle air control valve and activates radiator and condenser fans through their respective
relays.

Coolant Temperature Sensor / Switch HVAC > < Climate Control Unit <--> [Control Module HVAC]|Testing and Inspection|Page 6266