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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component /Circuit Diagnosis >> Exhaust Valve Timing Control Position Sensor >> Component Inspection
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Component Inspection

  1. EXHAUST VALVE TIMING CONTROL POSITION SENSOR-I 
    1. Turn ignition switch OFF.
    2. Disconnect exhaust valve timing control position sensor harness connector.
    3. Loosen the fixing bolt of the sensor.
    4. Remove the sensor. Refer to TIMING CHAIN : Exploded View .
    5. Visually check the sensor for chipping.
      GNSDB107957Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Replace malfunctioning exhaust valve timing control position sensor. Refer to TIMING CHAIN : Exploded View .

  2. EXHAUST VALVE TIMING CONTROL POSITION SENSOR-II 

    Check resistance exhaust valve timing control position sensor terminals as shown below.

    Terminals Resistance
    1 (+) - 2 (-) Except 0 or ∞Ω [at 25°C (77°F)]
    1 (+) - 3 (-)
    2 (+) - 3 (-)

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Replace malfunctioning exhaust valve timing control position sensor. Refer to TIMING CHAIN : Exploded View .