Toyota 1 MZ–FE Manual page 467

INSPECTION PROCEDURE
TOYOTA hand–held tester
HINT: If diagnostic trouble codes P01 10, P01 15 and P0120 are output simultaneously, E2 (sensor
ground) may be open.
Connect the TOYOTA hand–held tester and read the throttle valve
opening percentage.
Read closed throttle position switch condition.
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.
Read the throttle valve opening percentage.
Throttle valve
Check for intermittent problems
(See page EG2–417).
(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.
Read closed throttle position switch condition.
Throttle valve
Fully closed
Go to step
Throttle valve opening
position expressed as
percentage
Fully open
Fully closed
Closed throttle position
switch condition
Fully open
EG2–467
Approx. 70%
Approx. 10%
OFF