Toyota 3F-E - Page 89

Check wiring between ECU terminal El and body
ground.
OK
Try another ECU.
BAD
Repair or replace.
Check fuse and fusible link.
BAD
Replace.
NO
OK
OK
V
BAD
Check wiring between ECU
terminal and battery.
Repair or replace.
FI-30
EFI SYSTEM — Troubleshooting with Volt/Ohmmeter
No.
Terminals
Trouble
Condition
STD Voltage
BATT — El No voltage
10 — 14 V
I G
SW —
El No voltage
Ignition switch ON
10 — 14
V
1
M-REL — El No voltage
Ignition switch ON
10 — 14 V
+B
(
+
B1) — El
No voltage
Ignition switch ON
10 — 14
V
•
BATT
EFI
Main Relay
Fusible Link
Fuse
+B1
• •
• +
• • •
MAIN 0.85R
EFI 15A
•
• ... •
M-REL
Ignition Switch
=
Fusible Link
AM2
Fuse
IG2
IG SW
• •
0.5G
IGN 7.5A
Battery
•E1
I
N
FI2434
-
•
BATT - El
There is no voltage between ECU terminals BATT and El.
O
Check that there is voltage between ECU terminal BATT and
body ground.
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