LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2004 >> Vitara 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Electrical Devices >> Repair Instructions >> Throttle Position (TP) Sensor Adjustment
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Position (TP) Sensor Adjustment

  1. Warm up engine to normal operating temperature.
  2. Make sure that fast idle cam and cam follower lever are not in contact with each other. If they are, check fast idle control system.
  3. Loosen TP sensor screws.
  4. Remove ECM (PCM) cover from bracket.
  5. Turn TP sensor (1) clockwise or counterclockwise and tighten TP sensor screw at a position where voltage as specified in the following is obtained at coupler terminal "C51-3-12".
    NOTE: If SUZUKI scan tool is available, make an adjustment by using SUZUKI scan tool while observing TP sensor voltage.

    TP sensor voltage when throttle is fully close

    0.50 +/- 0.15 V 

    Tightening torque 

    TP sensor screw (a): 2.5 N.m (0.25 kg-m, 1.8 lb-ft) 

  6. Make sure that TP sensor voltage is as shown below when throttle is fully open.

    TP sensor voltage when throttle is fully open

    4.0 +/- 0.5V 

    Fig 1: Identifying TP Sensor Connector
    G02256635Courtesy of SUZUKI OF AMERICA CORP.
  7. Install ECM (PCM) cover.
  8. Disconnect negative cable at battery for 30 seconds or more, and then connect negative cable at battery.