Throttle Position Sensor (TPS)

1984 Toyota Celica Supra LSECTION Throttle Position Sensor (TPS)

Turn ignition off and disconnect electrical connector at TPS. Insert a thickness gauge between throttle stop screw and throttle lever. Using an ohmmeter, check resistance values. If values are not as specified in chart, adjust or replace TPS.

Fig 1: Checking Throttle Position Sensor Perform adjustment before replacing.
G42169Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
TPS RESISTANCE SPECIFICATIONS

Throttle Clearance Terminals Ohmmeter Reading
.024" (.60 mm) IDL - E1 Low Value
.024" (.60 mm) Psw - E1 Infinity
.024" (.60 mm) IDL - Psw Infinity
.037" (.95 mm) IDL - E1 Infinity
.037" (.95 mm) Psw - E1 Infinity
.037" (.95 mm) IDL - Psw Infinity
Fully Open IDL - E1 Infinity
Fully Open Psw - E1 Low Value
Fully Open IDL - Psw Infinity
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.