toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Electrical Specifications|Page 2821 > < Electrical Specifications|Page 2819
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Throttle Body: Testing and Inspection

ON-VEHICLE INSPECTION

1. INSPECT THROTTLE BODY.

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Check that the throttle linkage moves smoothly.

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Check the vacuum at each port.
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Start the engine.

Throttle Body Ports

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Check the vacuum with your finger.

2. INSPECT THROTTLE POSITION SENSOR.

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Vehicles with A/T:
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Disconnect the throttle cable from the linkage.

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Disconnect the sensor connector.

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Insert feeler gauge between the throttle stop screw and stop lever.

Electrical Specifications|Page 2821 > < Electrical Specifications|Page 2819