(1) There is no voltage between ECM terminals STA and E1.
(IG SW START)
(3) Check that there is voltage at terminal 50 of starter.
(IG SW START) STD voltage: 6 –12 V
(2) Check wiring between ECM terminal E1 and
body ground.
Check wiring between ignition switch
ST1 terminal and starter terminal 50.
Check wiring between ECM and
ignition switch terminal ST.
Check fusible link, battery, wiring
and ignition switch.
Ignition switch START position
Check starter.
(See ST section)
Check starter
operation.
Try another ECM.
Repair or replace.
Repair or replace.
Repair or replace.
STD Voltage
No voltage
OK.
Terminals
Condition
Trouble
BAD
BAD
BAD
BAD
No.
–ENGINE MFI SYSTEM
EG1–150
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