Toyota 4A-FE Repair Manual page 117

Fl-48
No. Terminals
10
IGT - E1
FL
MAIN
2.0L
Battery
Voltmeter
L::SL_J
Ohmmeter
Cu
0 ;
I U: t t-----:--------<
...,..
I
I
EFI SYSTEM - . Troubleshooting with Volt/Ohmmeter
Trouble
Condition
STD voltage
No voltage
Idling
0.7 - 1.0
v
ECU
Ignition Switch
llA
E1
Fl6167
CD
There is no voltage between ECU terminals IGT and E1.
1
(Idling)
@
Check that there is voltage between ECU terminal IGT and
body ground. (Idling)
NO
!
OK
fl405i
@
Check wiring between ECU BAD Repair or
...
replace . terminal E 1 and body ground.
I
OK
Try another ECU.
I
Check fusible links and ignition BAD
Repair or replace.
switch.
OK
Fll4053
Check llA. (See page IG-8)
BAE.I
Repair or replace.
l
®
OK
Check wiring between ECU and
BAD
Repair or replace.
battery.
-
OK
Check igniter. (See page IG-6)
BAD
Repair or replace.
Fl4040