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Home >> Nissan-Datsun >> 2005 >> Maxima SE, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0122, P0123: TP Sensor >> Component Inspection >> Throttle Position Sensor
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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 (A/T), 1st position (M/T).
  5. Check voltage between ECM terminals 50 (TP sensor 1 signal), 69 (TP sensor 2 signal) and ground under the following conditions.
    Fig 1: Terminal DC Voltage Specification Chart
    G02409962Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If NG, replace electric throttle control actuator and go to the next step.
    Fig 2: Checking Voltage Between ECM Terminals 50, 69 & Ground
    G02409963Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Perform THROTTLE VALVE CLOSED POSITION LEARNING .
  8. Perform IDLE AIR VOLUME LEARNING .