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Home >> Infiniti >> 2011 >> EX35 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 Through P0128 >> DTC P0122, P0123, P0227, P0228: TP Sensor >> Component Inspection

Component Inspection

  1. CHECK THROTTLE POSITION 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 to D position.
    6. Check the voltage between ECM harness connector terminals under the following conditions.
    VOLTAGE SPECIFICATION

    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
    1. Replace malfunctioning electric throttle control actuator.
    2. Go to "SPECIAL REPAIR REQUIREMENT ".

    INSPECTION END