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Home >> Infiniti >> 2011 >> M56 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction, System Description And Basic Inspection (VK56VD) >> Basic Inspection >> Fuel Pressure >> Work Procedure >> High Fuel Pressure Check >> Without Consult-III
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Without Consult-III

  1. Start engine.
  2. Check the voltage between ECM harness connector and ground.
    TERMINALS VOLTAGE REFERENCE CHART

    ECM Condition Voltage
    + -
    Connector Terminal Connector Terminal
    F110 31 F110 40 [Engine is running]
    • Warm-up condition
    • Idle speed
    		 Apporx. 1.2 V
    [Engine is running]
    • Warm-up condition
    • Revving engine from idle to 4, 000 RPM quickly
    		 Apporx. 3 V
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