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Home >> Nissan-Datsun >> 2004 >> Sentra Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - Qr25DE) >> DTC P0122, P0123: TP Sensor >> Component Inspection >> Throttle Position Sensor
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Throttle Position Sensor

WARNING: This page is about a different variant/trim than selected.
  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 (A/T) or 1st position (M/T).
  5. Check voltage between ECM terminals 50 (TP sensor 1 signal), 69 (TP sensor 2 signal) and engine ground under the following conditions.
    Fig 1: Checking Voltage Between ECM Terminals 50, 69 & Ground
    G00776977Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Throttle Position Sensor Voltage Specifications
    G00776976Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If NG, replace electric throttle control actuator and go to the next step.
  7. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
  8. Perform "IDLE AIR VOLUME LEARNING ".