HVAC Control Module and Its Circuits Inspection: Notes
WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
HVAC control module can not be checked by itself.
It is strictly prohibited to connect voltmeter to HVAC control module with couplers disconnected from it.
It is strictly prohibited to connect voltmeter to HVAC control module with couplers disconnected from it.
HVAC control module and its circuits can be checked at HVAC control module wiring couplers by measuring voltage.