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Home >> Nissan-Datsun >> 2012 >> Sentra SE-R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0159 (Qr25DE) >> 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 selector lever to D position (CVT) or 1st position (M/T).
  5. Check voltage between ECM terminals 37 (TP sensor 1 signal), 38 (TP sensor 2 signal) and ground under the following conditions.
    Terminal Accelerator pedal Voltage
    37
    (Throttle position sensor 1)    		 Fully released More than 0.36 V
    Fully depressed Less than 4.75 V
    38
    (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. Refer to , "REMOVAL AND INSTALLATION ".
Fig 1: Checking Voltage Between ECM Terminals 37 And Ground
G04925856Courtesy of NISSAN NORTH AMERICA, INC.
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