LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> M35 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing (VQ35DE) >> Refrigerant Pressure Sensor >> Component Function Check
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Component Function Check

  1. CHECK REFRIGERANT PRESSURE SENSOR FUNCTION
    1. Start engine and warm it up to normal operating temperature.
    2. Turn A/C switch and blower fan switch ON.
    3. Check the voltage between ECM harness connector terminals under the following conditions.
      CONNECTOR TERMINAL VOLTAGE CHART

      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      M9 105 (Refrigerant pressure sensor signal) 116 1.0 - 4.0
      Fig 1: Checking Voltage Between ECM Harness Connector Terminals
      G06306842Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".

scientia non olet · About LEMON Manuals