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Home >> Nissan-Datsun >> 2003 >> Frontier Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 401 (Engine Control System - KA24DE) >> DTC P0121: TP Sensor >> DTC Confirmation Procedure >> Procedure For Malfunction B >> With CONSULT-II

With CONSULT-II

WARNING: This page is about a different car, the 2004 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 5 seconds.
  3. Turn ignition switch ON.
  4. Select "MANU TRIG" in "DATA MONITOR" mode with CONSULT-II.
  5. Select "THRTL POS SEN" and "ABSOL TH.P/S" in "DATA MONITOR" mode with CONSULT-II.
    Fig 1: Scan Tool Display - Data Monitor
    G00857030Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Press RECORD on CONSULT-II screen at the same time accelerator pedal is depressed.
  7. Print out the recorded graph and check the following:
    • The voltage rise is linear in response to accelerator pedal depression.
    • The voltage when accelerator pedal is fully depressed is approximately 4V.

      If NG, go to DIAGNOSTIC PROCEDURE .

      If OK, go to following step.

    Fig 2: Voltage Graph
    G00857031Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Select "AUTO TRIG" in "DATA MONITOR" mode with CONSULT-II.
    Fig 3: Scan Tool Display - Data Monitor
    G00857033Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Maintain the following conditions for at least 10 consecutive seconds.
    Fig 4: ENG Speed Chart
    G00857032Courtesy of NISSAN MOTOR CO., U.S.A.
  10. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE .