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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 101 (ENGINE CONTROLS - ON-VEHICLE ADJUSTMENTS)THROTTLE POSITION (TP) SENSORES300, GS300, IS300, GS430 & LS430ADJUSTING TP SENSOR
2004 Toyota Matrix XR, FWD, Standard

Adjusting TP Sensor

2004 Toyota Matrix XR, FWD, StandardSECTION Adjusting TP Sensor
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Data link connectors No. 1 or 3 may also be referred to as DLC1 or DLC3.
  1. Loosen 2 sensor mounting screws. Turn TP sensor until it no longer contacts throttle valve shaft. Turn TP sensor back until it just starts to touch throttle valve shaft, then snug mounting screws. On GS300 and IS300, disconnect accelerator pedal position sensor connector. On all models, connect scan tool to DLC3. See Figure. Go to next step.
  2. Turn ignition switch on. DO NOT depress accelerator pedal. On scan tool, select CURRENT DATA, then THROTTLE POS. Slowly turn TP sensor until value is as specified. See TP SENSOR SPECIFICATIONS  table. Tighten sensor mounting screws. Go to next step.
    TP SENSOR SPECIFICATIONS

    Model Scan Tool Value (Percent)
    ES300 16.0-17.6
    GS300 & IS300 14.0-15.6
    GS430 & LS430 14.4-16.0
    SC430 15.6-19.6
  3. Using screwdriver where necessary, push throttle valve completely closed. Recheck scan tool TP sensor value. Value should be 10-14 percent. If value is not as specified, go back to step  1. If value is as specified, on GS300 and IS300, reconnect accelerator pedal position sensor connector.
RENDER: 1.0x

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