Page text (OCR transcript)
FI-52
EFI SYSTEM — Troubleshooting with Volt/Ohmmeter (7M-GTE)
No.
Terminals
Trouble
Condition
STD Voltage
1
BATT — E1
No voltage
Ignition switch ON
10 ~ 14 V
IG SW — E1
No voltage
Ignition switch ON
10 ~ 14 V
M-REL — E1
No voltage
Ignition switch ON
10 ~ 14 V
+B(+B1) — E1
No voltage
Ignition switch ON
10 ~ 14 V
ECU
BATT
EFI Main Relay
+B
Fusible Link
Fuse
+B1
AM2 30A
EFI 15A
M-REL
Fusible
MAIN 2.0L
Link
Ignition Switch
Fuse
AM2
IG2
IGN 7.5A
IG SW
Battery
E1
FI3610
BATT - E1
ECU
1
Voltmeter
There is no voltage between ECU terminals BATT and E1.
E1
BATT
Check that there is voltage between ECU terminal BATT and body
2
ground.
NO
OK
FI2753
Check wiring between ECU terminal E1 and body
3
ground.
ECU
2
OK
BAD
Voltmeter
Try another ECU.
Repair or replace.
BATT
E1
BAD
Check fuse and fusible links.
Replace.
FI2754
OK
BAD
Check wiring between ECU
Repair or replace.
terminal and battery.
ECU
3
Ohmmeter
E1
FI2755
