LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Engine Control System) >> Refrigerant Pressure Sensor >> Diagnostic Procedure >> 7. Check Refrigerant Pressure Sensor Input Signal Circuit For Open And Short
April 5, 2026: LEMON Manuals is launched! Read the announcement.

7. Check Refrigerant Pressure Sensor Input Signal Circuit For Open And Short

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check harness continuity between ECM terminal 88 and refrigerant pressure sensor terminal 2.

    Refer to Wiring Diagram .

    Continuity should exist. 

  2. Also check harness for short to ground and short to power.

OK or NG 

  1. OK: GO TO 9. REFRIGERANT PRESSURE SENSOR SHIELD CIRCUIT FOR OPEN AND SHORT .
  2. NG: GO TO 8.