Toyota 1 MZ–FE Manual page 588

EG2–588
INSPECTION PROCEDURE
TOYOTA hand–held tester
Connect the TOYOTA hand–held tester and check operation of fuel
pressure control 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 fuel pressure control VSV
when fuel pressure control VSV is operated by the
TOYOTA hand–held tester.
Fuel pressure control VSV is ON:
The air from pipe E is flowing out through the air
filter.
Fuel pressure control VSV is OFF:
The air from pipe E is flowing out through pipe
G.
Check and repair fuel pressure regulator
(See page EG2–240).