toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

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Throttle Body: Testing and Inspection
Component Inspection

THROTTLE BODY COMPONENT INSPECTION

1. Clean throttle body

(a) Wash and clean the cast part with a soft brush and carburetor cleaner.
(b) Using compressed air, blow all passages and apertures in the throttle body.

NOTICE:  To prevent deterioration. do not clean the throttle position sensor.

2. Inspect throttle valve

Check that there is no clearance between the throttle stop screw and throttle lever when the throttle valve is fully closed.

3. Inspect throttle position sensor 

Ohmmeter Connection

Reference

Using an ohmmeter, measure the resistance between each terminal.

On-Vehicle Inspection|Page 3268 > < On-Vehicle Inspection|Page 3266