Toyota 1 MZ–FE Manual page 456

EG2–456
4
Check for short in harness and ECM.
5
Check for short in harness or ECM.
Check and replace ECM (See page IN–36).
1MZ–FE ENGINE – CIRCUIT INSPECTION
(1) Disconnect the mass air flow meter connec–
tor.
(2) Turn ignition switch ON.
Read temperature value on the 0BDII scan tool or
TOYOTA hand–held tester.
Temperature value: – 40 C (– 40 F).
Replace mass air flow meter.
(1) Remove glove compartment.
(See page EG2–309)
(2) Disconnect the E8 connector of ECM.
HINT: Mass air flow meter connector is disconnected.
(3) Turn ignition switch ON.
Read temperature value on the OBDll scan tool or
TOYOTA hand–held tester.
Temperature value: –40 C (–40 F)
Repair or replace harness or connector.