Toyota 1 MZ–FE Manual page 530

EG2–530
INSPECTION PROCEDURE
TOYOTA hand–held tester
Connect the TOYOTA hand–held tester and read EGR gas
temperature value.
Check for short in harness and ECM.
1MZ–FE ENGINE – CIRCUIT INSPECTION
(1) Remove the fuse cover on the instrument
panel.
(2) Connect the TOYOTA hand–held tester to the
D LC 3.
(3) Turn ignition switch ON and TOYOTA hand–
held tester main switch ON.
Read EGR gas temperature on the TOYOTA hand–
held tester.
EGR gas temp.: 1502C (3022F) or less.
If there is a short circuit, the TOYOTA hand–held
tester indicates 159.32C (318.72F) .
G o to step
Disconnect the EGR gas temperature sensor con–
nector.
Rear EGR gas temperature on the TOYOTA hand–
held tester.
EGR gas temp.: 3.12C (37.62F)
Replace EGR gas temp. sensor.
(Not immediately after driv–
ing)