Toyota 4-Runner 1985 Repair Manual page 203

FI-34
No.
4
EFI SYSTEM - Troubleshooting for EFt Electronic Circuit with Volt/Ohmmeter
Terminals
IGt - El
Fusible Link
T
: Battery
I
1
Trouble
No voltage
Ignition Switch
CD
ECU
FI0191
FI0559
Condition
Idling
~--~
____________________
~Ne
o-------------------OIGt
Ignition Coil
w/lgniter
IGf
STD Voltage
0.7 - 1.0 V
ECU
CD
There is no voltage between ECU terminals IGt and E
1 •
(Idling)
®
Check that there is voltage between ECU terminal IGt and
body ground. (Idling)
I
Check wiring between ECU terminal E} and
body ground.
~
BAD
FIOG17
FI0605
I
BAD
I
J r - - - - . . - ! (
Repair or replace.
~--~------------------~
Refer to No.1.
OK
Check wiring between igniter and
I
BAD
J
Repair or replace.
distributor.
J I
OK
Check distributor.
I BAD I
Replace.
I I
10K
BAD
Repair or replace.
OK
BAD
Repair or replace.
OK
I