toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

On-Vehicle Inspection|Page 1761 > < On-Vehicle Inspection
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Connect TOYOTA hand-held tester or OBDII scan tool.

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Check idle speed.

Idle speed: 700 rpm

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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 - 1,400 rpm

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.

Idle speed: 700 rpm (Neutral position)

E. Disconnect TOYOTA hand-held tester or OBDII scan tool.

On-Vehicle Inspection|Page 1761 > < On-Vehicle Inspection