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Home >> Nissan-Datsun >> 2004 >> Frontier Base, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - VG33ER) >> DTC P0121: TP Sensor >> Component Inspection >> Throttle Position Sensor

Throttle Position Sensor

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With CONSULT-II 

  1. Start engine and warm it up to normal operating temperature.
  2. Stop engine (ignition switch OFF).
  3. Turn ignition switch ON.
  4. Select "DATA MONITOR" mode with CONSULT-II.
  5. Check voltage of "THRTL POS SEN" under the following conditions.
    1. Voltage measurement must be made with throttle position sensor installed in vehicle. 
    Fig 1: Throttle Position Sensor
    G00771856Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Throttle Position Sensor
    G00771857Courtesy of NISSAN MOTOR CO., U.S.A.

With GST 

  1. Start engine and warm it up to normal operating temperature.
  2. Stop engine (ignition switch OFF).
  3. Turn ignition switch ON.
  4. Check voltage between ECM terminal 23 (Throttle position sensor signal) and ground.
    1. Voltage measurement must be made with throttle position sensor installed in vehicle. 
    Fig 3: Displaying "DATA MONITOR" Mode
    G00771858Courtesy of NISSAN MOTOR CO., U.S.A.