2011 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

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 VOLTAGE REFERENCE CHART

    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
    Fig 1: Checking Voltage Between ECM Terminals 37 (TP Sensor 1 Signal), 38 (TP Sensor 2 Signal) And Ground
    G07144440Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If NG, replace electric throttle control actuator. Refer to "REMOVAL AND INSTALLATION ".
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.