Toyota 1 MZ–FE Manual page 574

EG2–574
INSPECTION PROCEDURE
OBDII scan tool (excluding TOYOTA hand–held tester)
Check A/C idle–up VSV (See page EG2–573, step 2)
Check voltage between terminal ACV of ECM connector and body
ground.
Check air hose and air pipe (See page EG2–295).
Check and replace ECM (See page IN–36).
1MZ–FE ENGINE – CIRCUIT INSPECTION
Replace A/C idle–up VSV.
(1) Remove glove compartment.
(See page EG2–309)
(2) Turn ignition switch ON.
Measure voltage between terminal ACV of ECM
connector and body ground.
Voltage: 9 –14 V
Check for open and short in harness and
connector between EFI main relay and
ECM (See page IN–31).
Repair or replace.