Matrix 2WD L4-1.8L (1ZZ-FE) (2003)
7. REMOVE E.F.I. THROTTLE POSITION SENSOR
Remove 2 screws and the throttle position sensor as shown in the illustration.
8. REMOVE THROTTLE BODY IDLE SPEED CONTROL VALVE ASSY
a. Remove 3 screws and the idle speed control valve assy.
b. Remove the gasket from the throttle body.
9. INSTALL THROTTLE BODY IDLE SPEED CONTROL VALVE ASSY
a. Install a new gasket on the throttle body.
b. Install the idle speed control valve assy with 3 screws
Torque: 3.7 N.m (38 kgf.cm, 33 in.lbf)
10. INSTALL E.F.I. THROTTLE POSITION SENSOR
a. Check that the throttle valve is fully close.
b. insert the throttle position sensor to the throttle body with it turned counterclockwise by 30° to 90° against the fully close valve position.
c. By turning the throttle position sensor clockwise, tighten 2 screws.
Torque: 2.0 N.m (20 kgf.cm, 18 in.lbf)