FixVault

Throttle Position Sensor (TPS)

  1. Turn ignition off. Disconnect electrical connector from TPS on throttle body. Note terminal identification. See Fig 1.
  2. Insert specified thickness feeler gauge between throttle stop screw and throttle lever, and check resistance or continuity. See appropriate TPS RESISTANCE SPECIFICATIONS table. Replace or adjust TPS if not within specification.
NOTE: Some models require that vacuum be applied to throttle opener before checking TPS. See appropriate TPS RESISTANCE SPECIFICATIONS table.
Fig 1: Checking Throttle Position Sensor (TPS)
G92J24835Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TPS RESISTANCE SPECIFICATIONS

Application Clearance In. (mm) Terminal Ohmmeter Reading
3.0L 0 (0) VTA & E2 300-6300
3.0L .020 (.51) IDL & E2 2300 Or Less
3.0L .035 (.89) IDL & E2 No Continuity
3.0L Fully Open VTA & E2 3500-10,300
3.0L --- VC & E2 4250-8250