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Throttle Position Sensor: 4-Cylinder: MR2

  1. On 2000 models, there is only one type of throttle body and TP sensor used. On 2001 models, there are 2 types of throttle bodies and TP sensors used depending on type of transaxle used. On models with a standard type manual transaxle, the driver operates the clutch and shifts the transaxle. On models with a sequential manual transaxle, the transaxle is electronically controlled and the clutch is operated and transaxle is shifted hydraulically by moving the shift lever forward or backward. The sequential manual transaxle may be identified by the shift lever pattern which consists of "R", "N", "S" and "+" in place of the conventional type shift lever pattern and no clutch pedal is used. On this model, a different type TP sensor is used. On all models, manufacturer does not list procedure for Throttle Position (TP) sensor adjustment. Only information available is for checking resistance of TP sensor.
  2. On 2001 models with sequential manual transaxle, it may be necessary to remove throttle body for access to electrical connector at TP sensor. If necessary to remove throttle body, see THROTTLE BODY under FUEL SYSTEMS in REMOVAL, OVERHAUL & INSTALLATION - 4-CYLINDER article. On all models, disconnect electrical connector from TP sensor. Note electrical terminals on TP sensor. See Figure and Figure .
  3. On 2000 models and 2001 models with standard type manual transaxle, using ohmmeter, check resistance between specified terminals in relation to throttle position. See THROTTLE POSITION SENSOR RESISTANCE  table. Replace components as necessary if resistance is not within specification.
  4. On 2001 models with sequential manual transaxle, using ohmmeter, check resistance between VC and E2 terminals on TP sensor. Replace components as necessary if resistance is not within specification. See THROTTLE POSITION SENSOR RESISTANCE  table.
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