Inspection

2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: INSPECTION

INSPECTION

1. INSPECT AIR SWITCHING VALVE





(a) Blow air into port A and check that air is not discharged from port B.





(b) Apply positive battery between the terminals.
(c) Blow air into port A and check that air is discharged from port B.
If operation is not as specified, replace the air switching valve.
2. INSPECT NO. 2 AIR SWITCHING VALVE





(a) Blow air into port B and check that air is not discharged from port C.





(b) Apply vacuum (30 kPa (306 gf/cm2, 4.35 psi)) to port A, blow air into port B and check that air is discharged from port C.
If operation is not as specified, replace the No. 2 air switching valve.