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Home >> Nissan-Datsun >> 2004 >> Frontier Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - VG33ER) >> DTC P0121: TP Sensor >> DTC Confirmation Procedure >> Procedure For Malfunction B

Procedure For Malfunction B

WARNING: This page is about a different variant/trim than selected.
CAUTION: Always drive vehicle at a safe speed.

With CONSULT-II 

  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.
  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 1: Displaying "THRTL POS SEN" And "ABSOL TH.P/S" In "DATA MONITOR" Mode
    G00771841Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Malfunction Chart
    G00771842Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Select "AUTO TRIG" in "DATA MONITOR" mode with CONSULT-II.
  9. Maintain the following conditions for at least 10 consecutive seconds.
    Fig 3: CMPS.RPM (REF) Specification Chart
    G00771843Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 4: Displaying "DATA MONITOR" Mode
    G00771844Courtesy of NISSAN MOTOR CO., U.S.A.
  10. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".

With GST 

Follow the procedure "With CONSULT-II".