Pathfinder 2WD V6-3.5L (VQ35) (2003)
Refrigerant Pressure Sensor / Switch: Component Tests and General Diagnostics
Refrigerant Pressure Sensor
Make sure that higher A/C refrigerant-pressure results in higher refrigerant-pressure sensor output voltage.
Check voltage between ECM harness terminal No. 81 and body ground.
Refer to "Diagnostic Procedure".