Pathfinder 4WD V6-4.0L (VQ40DE) (2006)
Check circuit continuity between terminals by supplying 12 volts and ground to coil side terminals of relays.
Rear Air Control
Check continuity between terminals at each switch position.
Rear Blower Switch (Front)
Check continuity between terminals at each switch position.
Rear Blower Motor
Check that there are no foreign particles inside the intake unit.