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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System - System And Component Testing >> Fuel Pump Control Module >> Component Function Check
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Component Function Check

  1. CHECK FUEL PUMP CONTROL MODULE (FPCM) FUNCTION

    With CONSULT-III

    1. Turn ignition switch ON.
    2. Select "FPCM" in "DATA MONITOR" mode with CONSULT-III.
    3. Check "FPCM" indication under the following conditions.
      MONITOR ITEM CONDITION CHART

      Monitor item Condition Indication
      FPCM
      • Engine: Cranking
      HI
      • Engine: Idle
      • Engine coolant temperature: More than 10 °C (50 °F)
      LOW

    Without CONSULT-III

    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connector terminal as per the following.
      Fig 1: Checking Voltage Between ECM Harness Connector Terminals
      G06306810Courtesy of NISSAN MOTOR CO., U.S.A.
      CONNECTOR TERMINAL VOLTAGE CHART

      ECM Condition Voltage (V)
      + -
      Connector Terminal Connector Terminal
      F105 14 M9 128
      • Engine: Cranking
      0 - 0.5
      32
      14
      • Engine: Idle
      • Engine coolant temperature: More than 10 °C (50 °F)
      Approx. 0
      32

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".