Toyota Land Cruiser 1988 Repair Manual page 161

Fl-30 EFI SYSTEM- Troubleshooting with Volt/Ohmmeter
No. Terminals Trouble Condition STD Voltage
BATT- E1 No voltage
-
10-14
v
IG S/W-E1
No voltage Ignition switch ON 10-14
v
1
M-REL- E1
No voltage Ignition switch ON 10-14
v
+ 8 ( + 81)- E1 No voltage
Ignition switch ON 10-14
v
BATT
Fusible Link
Fuse
EFJ Main Relay
+61
1
-
......
+B
--
EFI15A
-
-
MAIN 0.85R
"""""'
M-REL
~
Ignition Switch
Fusible Link
AM21
~
IIG2
Fuse
-
-
IG S/W
-
I I
0.5G
IGN 7.5A
r- 1-
Battery
of;"
I
.........
r>E1
-
Fl2434
CD •
BATT- E1
CD
There is no voltage between ECU terminals BATT and E1.
®
Check that there is voltage between ECU terminal BATT and
body ground.
NO
!
OK
@
Check wiring between ECU terminal E1 and body
ground.
F10309
®
!
OK
!
BAD
Try another ECU.
Repair or replace.
I BAD
J
Check fuse and fusible link. Replace.
I I
OK
BAD
Check wiring between ECU
Repair or replace.
terminal and battery.
F10310
@
FI0311