Inspection Of Throttle Body

1. CLEAN THROTTLE BODY

(a) Using a soft brush and carburetor cleaner, clean the cast parts.

(b) Using compressed air, clean all the passages and apertures.

NOTICE: To prevent deterioration, do not clean the throttle position sensor.

2. INSPECT THROTTLE VALVE

Check that there is no clearance between the throttle stop screw and throttle lever when the throttle valve is fully closed.

Adjust Tps 4runner

3. INSPECT THROTTLE POSITION SENSOR (See step 2 on page FI-71)

4. IF NECESSARY, ADJUST THROTTLE POSITION SENSOR

(a) Loosen the two set screws of the sensor.

Adjust Throttle Mesin Yaris

(b) Insert a 0.60 mm (0.024 in.) feeler gauge, between the throttle stop screw and stop lever.

(c) Connect the test probe of an ohmmeter to the terminals IDL and E2 of the sensor.

(d) Gradually turn the sensor clockwise until the ohm-meter deflects, and secure it with the two set screws.

(e) Recheck the continuity between terminals IDL and E2.

Clearance between lever and stop screw

Continuity (IDL-E2)

0.50 mm (0.020 in.)

Continuity

0.70 mm (0.028 in.)

No continuity

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