Inspection Of A/C Controller And Its Circuits; Voltage Check - Suzuki GRAND VITARA XL-7 Owner's Manual

Inspection of A/C Controller and Its Circuits

CAUTION:
A/C controller and ECM 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.
A/C Controller (1) and its circuits can be checked at A/C controller
wiring couplers by measuring voltage.

Voltage check

1) Remove A/C controller (1) from vehicle referring to "A/C
CONTROLLER" in this section.
2) Remove ECM (2) from vehicle.
3) Connect A/C controller couplers to A/C controller and con-
nect ECM couplers to ECM.
4) Check each terminal voltage with couplers connected by
referring to "A/C CONTROLLER VOLTAGE VALUES TABLE".
3. Terminal AC-A-2
4. Terminal C51-3-6
NOTE:
For "Fig. A", "Fig. B", "Fig. C" in the figure, refer to "A/C
CONTROLLER VOLTAGE VALUES TABLE".
AIR CONDITIONING (OPTIONAL) 1B-15