Toyota 4-Runner 1985 Repair Manual page 204

No.
EFI SYSTEM - Troubleshooting for EFI Electronic Circuit with Volt/Ohmmeter
FI-35
Terminals
STA -
El
Fusible Link
T'
I
Battery
I
Trouble Condition
No voltage
Ignition switch ST position
Starter
(Terminal 50)
IG STA
~--~--------------------~ STA
Ignition Neutral Start
Switch Switch (for A/T)
STD Voltage
6 - 12 V
ECU
..L
I
Ignition Switch
FI0605
CD
No voltage between ECU terminals STA and E
1 •
(IG S/W ST)
Check starter
I
OK
I
Check wiring between ECU and
operation.
J
I
ignition switch terminal ST.
BAD OK
~BAD
I
Repair or replace
FI0211
Check wiring between ECU terminal El and
body ground.
~
OK
!BAD
Try another ECU.
l
Repair or replace
,
Check fusible link, battery, wiring
BAD J R '
and ignition switch.
I
epalr or replace
OK
~
Check that there is voltage at STA
(50)
terminal of starter.
(lG S/W ST) STD voltage: 6 - 12 V
OK
~
NO
Check starter.
Check wiring between ignition switch
(See page ST -3)
ST terminal and starter STA
(50)
terminal.