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Home >> Toyota >> 1985 >> MR2 >> Repair and Diagnosis >> Engine Performance >> System >> TCCS System >> Component Testing >> Throttle Position Sensor (TPS) Adjustment

Throttle Position Sensor (TPS) Adjustment

  1. Loosen 2 TPS retaining screws. Insert a thickness gauge between throttle stop screw and throttle. With ignition off and electrical connector disconnected, connect ohmmeter between terminals IDL and E2. See Fig 1.
    THROTTLE POSITION SENSOR ADJUSTMENT SPECIFICATIONS

    Model Gap In. (mm)
    All .019 (.47)
    Fig 1: Adjusting Throttle Position Sensor
    G42917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Gradually turn TPS counterclockwise until ohmmeter needle deflects. Secure TPS retaining screws. Using a thickness gauge, recheck the continuity between terminals IDL - E2.