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Home >> Lexus >> 1994 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Throttle Position Sensor >> Testing and Inspection
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Throttle Position Sensor: Testing and Inspection

INSPECTION





1. Apply vacuum to the Throttle Opener.
2. Disconnect the Throttle Position Sensor connector.
3. Insert a thickness gauge between the throttle stop screw and stop lever.








4. Using an ohmmeter measure the resistance between each terminal.

Clearance between Between Resistance
lever and stop screw terminals

0 mm (0 in) VTA - E2 0.28 - 6.4 k ohms
0.35 mm (0.014 in) IDL - E2 0.5 k ohms or less
0.70 mm (0.028 in) IDL - E2 Infinity
Wide open throttle VTA - E2 2.0 - 11.6 k ohms
Always VC - E2 2.7 - 7.7 k ohms

If necessary adjust Throttle Position Sensor and retest.
5. Reconnect the sensor connector.


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