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Throttle Position (TP) Sensor

  1. Ensure ignition is off. Disconnect electrical connector from TP sensor on throttle body. Note terminal identification on TP sensor. See Fig 1.
  2. Apply vacuum to throttle opener. Insert specified thickness feeler gauge between throttle stop screw and throttle lever, and check resistance or continuity. See TP SENSOR RESISTANCE SPECIFICATIONS  table. Replace or adjust throttle position sensor if not within specification.
TP SENSOR RESISTANCE SPECIFICATIONS

Application Type Clearance In. (mm) Terminals Tested Ohmmeter Reading
2.4L (1) Fully Closed VTA & E2 200-5700
" .020 (.50) IDL & E2 2300 Or Less
" .037 (.95) IDL & E2 No Continuity
" Fully Open VTA & E2 2000-10,200
" " VC & E2 2500-5900
(1) Apply vacuum to throttle opener before checking TP sensor.
Fig 1: Terminals For Checking Throttle Position (TP) Sensor
G95G31597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002