toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Knock Sensor > < Idle Speed/Throttle Actuator - Mechanical|Specifications
Page 1
background image

Idle Speed/Throttle Actuator - Mechanical: Testing and Inspection

THROTTLE OPENER INSPECTION

(a) Allow the engine to warm up to normal operating temperature.
(b) Check idle speed.

Idle speed: 700 ±50 rpm 

(c) Disconnect the vacuum hose from the throttle opener, and plug the hose end.
(d) Check the throttle opener setting speed. 

Throttle opener setting speed: 900 - 1,950 rpm 

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

(e) Stop the engine.
(f) Reconnect the vacuum hose to the throttle opener.
(g) Start the engine and check that the idle speed returns to the correct speed.

Knock Sensor > < Idle Speed/Throttle Actuator - Mechanical|Specifications