Toyota 4A-FE Repair Manual page 111

No.
4
Terminals
No.10 E01
No.20 E02
FL
AM2
30A
FL
MAIN
2.0L
Battery
Voltmeter
U ' ]
~o
Ohmmeter
n.
EFI SYSTEM - Troubleshooting with Volt/Ohmmeter
Trouble
No voltage
Ignition Switch
AM2
IG2
CD
F14045
F14044
®
F14270
Condition STD voltage
IG SW ON 10 - 14
v
ECU
Injector
No.10
,_ _ _ _ _ _ _ --------uN o.20
E01
E02
CD
There is no voltage between ECU terminals No.10 and/or
No.20 and
EO 1
and/or
E02 . (IG SW ON)
®
Check that there is voltage between ECU terminal No.10
and/or No .20
and
body ground.
NO
j
OK
Fl5178
Check wiring between ECU terminal E01 and / or E02
and body ground.
iOK
j
BAD
I
Try another ECU.
I
Repair or replace.
,
Check fuse, fusible link, Ignition
BAD
Repair or replace.
switch.
OK
@Check resistance of magnetic coil in each injector.
STD resistance: Approx. 13.8
.fl
OK
i
BAD
Replace
injector.
Check wiring between ECU terminal BAD
Repair or replace.
No.10 and/or No.20 and battery.