Operation CHARM: Car repair manuals for everyone.

Inspection of A/C Controller and Its Circuits

A/C CONTROLLER




A/C Controller and its circuits can be checked at A/C controller wiring couplers by measuring voltage.

CAUTION:
A/C controller cannot be checked by itself.
It is strictly prohibited to connect voltmeter or ohmmeter to A/C controller with couplers disconnected from it.

Connector View:




Part 1 Of 2:




Part 2 Of 2:




Voltage Check
1. Remove A/C controller from vehicle.
2. Connect A/C controller couplers to A/C controller.
3. Check voltage at each terminal of couplers connected.