lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Sensors and Switches - Ignition System > < Diagram Information and Instructions|Page 3173
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Throttle Position Sensor: Testing and Inspection

1. INSPECT THROTTLE BODY

Check that the throttle linkage moves smoothly.

2. INSPECT THROTTLE POSITION SENSOR

a. Check that there is no clearance between each throttle stop screw and the throttle lever when applying the negative pressure (53.3 kPa (400

mm Hg) to the throttle opener using the mighty vac.

b. Apply vacuum to the throttle opener.
c. Disconnect the sensor connector.

d. Using an ohmmeter, measure the resistance between each terminal.
e. Reconnect the sensor connector.

Sensors and Switches - Ignition System > < Diagram Information and Instructions|Page 3173