Toyota Land Cruiser 1988 Repair Manual page 169

Fl-38 EFI SYSTEM -Troubleshooting with Volt/Ohmmeter
No. Terminals Trouble Condition STD Voltage
6
No. 10- E01
No voltage Ignition switch ON 9-14
v
No. 20- E02
Ignition Switch
ECU
AM2J
..a
JIG1
I
J
Fusible~
~
O.SG
n
" r'\ r'\ ' ) ,......., Link
Injector
I
;
~
' I
L l
i !
~
I
L
I
i
i ~~
I
-
'-- '--
'--
-
-
No. 10
r-"'
t-
No.20
--T
Battery
I
---<
E01
+r
~
E02
..._
t-
--=-
-:::::-
F12433
CD
There is no voltage between ECU terminal No. 10 and I or
No. 20 and E01 and/or E02. (IG S/W ON)
®Check that there is voltage between ECU terminal (No. 10
or No. 20 and body ground.
NO
l
OK
F12442
Check wiring between ECU terminal E01 and I or
E02 and body ground.
l
OK
~BAD
Try
another ECU. Repair or replace.
BAD
Check fusible link and
Repair or replace.
ignition switch.
OK
®Check resistance of magnetic coil in each injector.
STD resistance: Approx. 13.8
n
OK
~BAD
Replace injector.
Check wiring between ECU
BAD
terminal No. 10 and/or Repair or replace.
No. 20 and battery.
F12506