toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

On-Vehicle Inspection|Page 3095 > < On-Vehicle Inspection
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A. Warm up engine.

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Allow the engine to warm up to normal operating temperature.

B. Check idle speed.

 

Idle speed: 650 - 750 rpm 

C. Check throttle opener setting speed.

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Disconnect the vacuum hose from the throttle opener, and plug the hose end.

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Check the throttle opener setting speed.

Throttle opener setting speed: 1,200 - 1,500 rpm 

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If the throttle opener setting is not as specified, replace the throttle body.

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Stop the engine.

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Reconnect the vacuum hose to the throttle opener.

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Start the engine, and check that the idle speed returns to the correct speed.

D. Disconnect TOYOTA hand-held tester or OBD II scan tool.

On-Vehicle Inspection|Page 3095 > < On-Vehicle Inspection