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Throttle Position (TP) Sensor: Es300

  1. Manufacturer does not list procedure for Throttle Position (TP) sensor adjustment at time of publication. Only information available is for checking resistance of TP sensor.
  2. Disconnect electrical connector from TP sensor. Note electrical terminals on TP sensor. See Fig 1. Apply vacuum to throttle opener.
  3. Using ohmmeter, check resistance between specified terminals in relation to throttle position. See THROTTLE POSITION SENSOR RESISTANCE (ES300)  table. Replace components as necessary if resistance is not within specification.
THROTTLE POSITION SENSOR RESISTANCE (ES300) (1)

Throttle Position Terminals Ohmmeter Reading
Fully Closed VTA & E2 200-6,300
Fully Open VTA & E2 2,000-10,200
" VC & E2 2,500-5,900
(1) Apply vacuum to throttle opener before checking TP sensor.
Fig 1: Identifying Electrical Terminals On TP Sensor (ES300)
G97C06282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002