Toyota 1 MZ–FE Manual page 572

EG2–572
INSPECTION PROCEDURE
TOYOTA hand–held tester
Connect the TOYOTA hand–held tester and check operation of A/C
idle–up VSV.
1MZ–FE ENGINE – CIRCUIT INSPECTION
(1) Remove the fuse cover on the instrument
panel.
(2) Connect the TOYOTA hand–held tester to the
DLC 3.
(3) Turn ignition switch ON and TOYOTA hand–
held tester main switch ON.
(4) Select the active test mode on the TOYOTA
hand–held tester.
Check operation of A/C idle–up VSV when A/C
idle–up VSV is operated by the TOYOTA hand–
held tester.
A/C idle–up VSV is ON:
The air from port E is flowing out through port F.
A/C idle–up VSV is OFF:
The air does not flow from port E to port F.
Check and repair air hose and air pipe.
(See page EG2–295)