toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

On-Vehicle Inspection|Page 2001 > < Throttle Body|Specifications
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Throttle Body: Testing and Inspection
On-Vehicle Inspection

1. INSPECT THROTTLE BODY.

(a) Check that the throttle linkage moves smoothly.

(b) w/ EGR: Check the vacuum at each port.

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Start the engine.

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Check the vacuum with your finger.

2. INSPECT THROTTLE POSITION SENSOR.

(a) Apply vacuum to the throttle opener.
(b) Disconnect the sensor connector.

On-Vehicle Inspection|Page 2001 > < Throttle Body|Specifications