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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Engine Control System - Introduction) >> Basic Inspection >> Fuel Pressure >> Work Procedure >> High Fuel Pressure Check >> Without Consult-III
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Without Consult-III

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  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