Terminals
No.
ENGINE
Trouble
Ignition switch
No voltage
ON
(1) There is no voltage between ECM terminals THW and E2 (E21 )
(IG SW ON)
(2) Check that there is voltage between ECM terminal + B (+ B1)
and body ground.(IG SW ON)
Check wiring between ECM terminal E1 and body
ground.
(3) Check engine coolant temp.
sensor.
Replace engine coolant
temp. sensor.
Try another ECM
–
MFI SYSTEM
Condition
Coolant temperature 80
BAD
Check wiring between ECM and
engine coolant temp. sensor.
EG1–131
STD Voltage
_
C
_
(176
F)
Refer to No. 1.
BAD
Repair or replace.
BAD
Repair or replace.