Page text (OCR transcript)
EFI SYSTEM — Troubleshooting with Volt/Ohmmeter (7M-GE) FI-43
No. | Terminals | Trouble | Condition | STD Voltage
8 | IGT — E1 | No voltage | Idling | 0.7 ~ 1.0 V
ECU
Ignition Switch
AM2 -----IG2
AM2 30A
Fusible
Link
MAIN 2.0L
Battery
Igniter or
Ignition Coil
To
Tachometer
IGF
IGT
E1
FI3576
1 There is no voltage between ECU terminals IGT and E1.
(Idling)
1
ECU | IGT
Voltmeter
E1
V
FI1642
2 Check that there is voltage between ECU terminal IGT and body
ground. (Idling)
NO | OK
3 Check wiring between ECU
terminal E1 and body ground.
BAD | Repair or
replace.
OK
Try another ECU.
Check fusible links and ignition
switch.
BAD | Repair or replace.
OK
2
ECU | IGT
Voltmeter
V
FI1725
Check distributor. (See page IG-9)
BAD | Repair or replace.
OK
3
E1 | ECU
Ohmmeter
Ω
FI2311
Check wiring between ECU and
battery.
BAD | Repair or replace.
OK
Check igniter.
BAD | Repair or replace.
