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Home >> Infiniti >> 2011 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Basic Inspection >> Fuel Pressure >> Work Procedure >> High Fuel Pressure Check >> Without Consult-III
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Without Consult-III

  1. Start the engine.
  2. Check fuel rail pressure sensor signal voltage.
    VOLTAGE SPECIFICATION

    + - Condition Value (Approx.)
    Fuel rail pressure sensor
    Connector Terminal
    F26 2 Ground Engine speed: idle 0.98 - 1.2 V
    Engine speed: Revving engine from idle to 4, 000 RPM quickly 1.1 - 2.9 V