Operation CHARM: Car repair manuals for everyone.

Air Conditioning Switch: Testing and Inspection

A/C Switch




Inspection
1) Disconnect negative (-) cable at battery.
2) Remove heater control knobs and panel.
3) Disconnect A/C switch connector to remove A/C switch.
4) Use an ohmmeter to check A/C switch for proper continuity between each terminal.
If A/C switch shows no continuity,replace it.