FixVault

Throttle Position Sensor (TPS)

Turn ignition off. Disconnect TPS connector. See Fig 1. Using a DVOM, measure resistance between specified TPS terminals in the TPS SPECIFICATIONS  table.

TPS SPECIFICATIONS

TPS Terminals Conditions Ohms
VTA & E2 (1) Zero 300-6300
IDL & E2 (1) .012" (.30 mm) 2300 or Less
IDL & E2 (1) .028" (.71 mm) Infinity
VTA & E2 Throttle Valve Fully Open 350-10,300
VC & E2 N/A 4250-8250
(1) Clearance between throttle lever and stop screw.
Fig 1: Identifying ES250 TPS Connector Terminals
G90B18854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002