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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Basic Inspection) (5.6L) (Except Hybrid) >> Basic Inspection >> Fuel Pressure >> Work Procedure >> High Fuel Pressure Check
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High Fuel Pressure Check

NOTE: Since the fuel pressure gauge kit cannot be connected, follow the method shown below to check high fuel pressure.

SYMBOL WITH CONSULT

  1. Start engine.
  2. Check "FUEL PRES SEN V" in "DATA MONITOR" mode with CONSULT.

    Monitor Item

    Condition

    Values/Status

    FUEL PRES SEN V

    Idle

    820 - 1, 220 mV

    Revving engine from idle to 4, 000 RPM quickly

    820 - 3, 060 mV

SYMBOL WITHOUT CONSULT

  1. Start engine.
  2. Check the voltage between ECM harness connector and ground.

    ECM

    Condition

    Voltage

    Connector

    +

    -

    Terminal

    Terminal

    F116

    25

    13

    [Engine is running]

    • Warm-up condition
    • Idle speed

    0.82 - 1, 22 V

    [Engine is running]

    • Warm-up condition
    • Revving engine from idle to 4, 000 RPM quickly

    0.82 - 3, 06 V