toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

On-Vehicle Inspection|Page 3266 > < Throttle Body|Specifications|Page 3263
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Throttle Body: Testing and Inspection
On-Vehicle Inspection

THROTTLE BODY ON-VEHICLE INSPECTION

1. Inspect throttle body

(a) Check that the throttle linkage moves smoothly.

(b) Check the vacuum at port.

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Start the engine.

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Check the vacuum with your finger.

2. Inspect throttle position sensor

(a) A/T: Disconnect the throttle cable from the linkage.
(b) Disconnect the sensor connector.

Ohmmeter Connection

Reference

(c) Using an ohmmeter, measure the resistance between each terminal.

On-Vehicle Inspection|Page 3266 > < Throttle Body|Specifications|Page 3263