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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1087 To P2542 >> DTC P1239, P2135: TP Sensor >> Component Inspection (Throttle Position Sensor)
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Component Inspection (Throttle Position Sensor)

  1. CHECK THROTTLE POSITION SENSOR 
    1. Turn ignition switch OFF.
    2. Reconnect all harness connectors disconnected.
    3. Perform "WORK PROCEDURE ".
    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.
      ECM Condition Voltage (V)
      Connector + -
      Terminal Terminal
      F111 91 [TP sensor 1 (bank 1)] 97 Accelerator pedal: Fully released More than 0.36
      Accelerator pedal: Fully depressed Less than 4.75
      71 [TP sensor 1 (bank 2)] 69 Accelerator pedal: Fully released More than 0.36
      Accelerator pedal: Fully depressed Less than 4.75
      79 [TP sensor 2 (bank 1)] 97 Accelerator pedal: Fully released Less than 4.75
      Accelerator pedal: Fully depressed More than 0.36
      89 [TP sensor 2 (bank 2)] 69 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