5. Check Refrigerant Pressure Sensor Ground Circuit For Open And Short
WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check harness continuity between refrigerant pressure sensor terminal 3 and ECM terminal 89.
Refer to Wiring Diagram.
- Continuity should exist.
- Also check harness for short to ground or short to power.
OK or NG
OK: GO TO 7.
NG: GO TO 6.