Grand Vitara 2WD V6-2.5L (2004)
Control Module HVAC: Testing and Inspection
Inspection of A/C Controller and its Circuits
A/C controller (1) 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 and ECM with couplers disconnected from it.
Voltage Check
1. Remove A/C controller (1) from vehicle referring to "A/C Controller Removal and Installation:".
2. Remove ECM (2) from vehicle.
3. Connect A/C controller couplers to A/C controller (1) and connect ECM couplers to ECM.
4. Check each terminal voltage with couplers connected by referring to "A/C controller voltage values table:".
