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Home >> Infiniti >> 2011 >> FX35 RWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (VQ35HR) - FX35 - DTC U0101, U0164, U1001, & P0011 Through P0133 / P0153 >> DTC P0122, P0123, P0227, P0228: TP Sensor >> Component Inspection

Component Inspection

  1. CHECK THROTTLE POSITION (TP) SENSOR
    1. Turn ignition switch OFF.
    2. Reconnect all harness connectors disconnected.
    3. Perform "THROTTLE VALVE CLOSED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".
    4. Turn ignition switch ON.
    5. Set selector lever position to D.
    6. Check the voltage between ECM harness connector terminals under the following conditions.
    TERMINAL VOLTAGE REFERENCE CHART

    ECM Condition Voltage (V)
    Connector + -
    Terminal Terminal
    F101 30 [TP sensor 1 (bank 1)] 40 Accelerator pedal: Fully released More than 0.36
    Accelerator pedal: Fully depressed Less than 4.75
    31 [TP sensor 1 (bank 2)] 48 Accelerator pedal: Fully released More than 0.36
    Accelerator pedal: Fully depressed Less than 4.75
    34 [TP sensor 2 (bank 1)] 40 Accelerator pedal: Fully released Less than 4.75
    Accelerator pedal: Fully depressed More than 0.36
    35 [TP sensor 2 (bank 2)] 48 Accelerator pedal: Fully released Less than 4.75
    Accelerator pedal: Fully depressed More than 0.36

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: GO TO 2.

  2. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

    Replace malfunctioning electric throttle control actuator. Refer to "REMOVAL AND INSTALLATION ".

    INSPECTION END