1992 Lexus LS 400 Throttle Position Sensor: Adjustments
download
Throttle Body And TPS – Remove throttle body, refer to COMPONENT REPLACEMENT AND REPAIR PROCEDURES. Throttle Stop Screw – Check that there is no clearance between throttle stop screw and lever with throttle plate in the fully closed position. TPS Screws – Loosen throttle position sensor set screws. TPS Adjustment Connect ohmmeter across throttle sensor terminals E2 and IDL. – Insert a 0.0157 in (0.40 mm) feeler gauge between throttle stop screw and lever. TPS Adjustment – Slowly turn sensor clockwise until ohmmeter shows no continuity. – Tighten sensor set screws. – Check adjustment with the following feeler gauges and note ohm reading: 0.010 in (0.25 mm) – Continuity 0.0335 in (0.85 mm) – No continuity – If desired results cannot be achieved, readjust sensor. If readings still cannot be achieved, replace sensor.
Throttle Body And TPS – Remove throttle body, refer to COMPONENT REPLACEMENT AND REPAIR PROCEDURES. Throttle Stop Screw – Check that there is no clearance between throttle stop screw and lever with throttle plate in the fully closed position. TPS Screws – Loosen throttle position sensor set screws. TPS Adjustment Connect ohmmeter across throttle sensor terminals E2 and IDL. – Insert a 0.0157 in (0.40 mm) feeler gauge between throttle stop screw and lever. TPS Adjustment – Slowly turn sensor clockwise until ohmmeter shows no continuity. – Tighten sensor set screws. – Check adjustment with the following feeler gauges and note ohm reading: 0.010 in (0.25 mm) – Continuity 0.0335 in (0.85 mm) – No continuity – If desired results cannot be achieved, readjust sensor. If readings still cannot be achieved, replace sensor.
Tags: lexus
