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Home >> Nissan-Datsun >> 2012 >> Sentra Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0132 (MR20DE) (CALIFORNIA) >> DTC P0122, P0123: TP Sensor >> Component Inspection >> Throttle Position Sensor

Throttle Position Sensor

  1. Reconnect all harness connectors disconnected.
  2. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
  3. Turn ignition switch ON.
  4. Set shift lever to D position (CVT) or 1st position (M/T).
  5. Check voltage between ECM terminals 33 (TP sensor 1 signal), 34 (TP sensor 2 signal) and ground under the following conditions.
    Terminal Accelerator pedal Voltage
    33 (Throttle position sensor 1) Fully released More than 0.36 V
    Fully depressed Less than 4.75 V
    34 (Throttle position sensor 2) Fully released Less than 4.75 V
    Fully depressed More than 0.36 V
  6. If NG, replace electric throttle control actuator and go to the next step. Refer to INTAKE MANIFOLD .
Fig 1: Checking Voltage Between ECM Terminals 33, 34 And Ground
G04925257Courtesy of NISSAN NORTH AMERICA, INC.