toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

On-Vehicle Inspection|Page 2900 > < On-Vehicle Inspection|Page 2898
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6. Reinstall Dash Pot separator, filter and cap. Install the filter with the coarser surface facing the atmospheric side (outward).

Throttle Opener Inspection

1. Warm up engine to normal operating temperature.
2. Check idle speed.

Idle speed: 800 ± 50 rpm 

3. Check Throttle Opener setting speed

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Disconnect the vacuum hose from the Throttle Opener. and plug the hose end.

^

Maintain the engine at 2,500 rpm.

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Release the throttle valve.

^

Check that the Throttle Opener is set.

Throttle Opener setting speed: 900 - 1,800 rpm 

If not as specified, replace the Throttle Body assembly.

^

Reconnect the vacuum hose to the Throttle Opener.

Air Valve Operation Inspection

On-Vehicle Inspection|Page 2900 > < On-Vehicle Inspection|Page 2898