toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Idle Speed/Throttle Actuator - Mechanical|Locations
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Idle Speed/Throttle Actuator - Mechanical: Testing and Inspection

INSPECT THROTTLE OPENER
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Allow the engine to warm up to normal operating temperature.

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Check idle speed

Idle speed: 700 ± 50 rpm 

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: 900 - 1,950 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.

Main Relay (Computer/Fuel System) > < Idle Speed/Throttle Actuator - Mechanical|Locations