toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

On-Vehicle Inspection|Page 2897 > < Throttle Body|Specifications|Page 2894
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Throttle Body: Testing and Inspection
On-Vehicle Inspection

Throttle Body Inspection

1. Check that the throttle linkage moves smoothly.

2. Check the vacuum at each port.

^

Start the engine.

^

Check the vacuum with your finger.

Port name 

At idle 

At 3,500 rpm

No vacuum 

Vacuum

No vacuum 

Vacuum

No vacuum 

Vacuum 

Throttle Position Sensor Inspection

1. Apply vacuum to the Throttle Opener.
2. Disconnect the sensor connector.
3. Insert thickness gauge between the throttle stop screw and stop lever. (SST 09240-00020)

On-Vehicle Inspection|Page 2897 > < Throttle Body|Specifications|Page 2894