Pathfinder LE 4WD V6-3.3L (VG33E) (1997)
Control Assembly: Testing and Inspection
A/C Mode Switch
The microswitch is installed around the side link of the heater unit and operates the link in response to the position of the mode switch.
The operation of this microswitch is as shown in the image:
A/C mode switch operation
PBR
Measure resistance between terminals (1) and (2) at vehicle harness side.
Ignition Switch: ON
Ensure tester pointer deflects smoothly when PTC is moved from 20° C (65° F) to 30° C (85° F) and vice versa.