Mazda 1990 323 Workshop Manual Supplement page 277

1990 mazda 323 4-wheel drive workshop manual supplement
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TROUBLESHOOTING
GUIDE
K2
1TEP
INSPECTION
ACTION
4
Check if continuity
of transistor
in EC-AT control
Yes
Go to next step
unit is OK
Terminal
Continuity
2KandlJor2P
1
Yes
No
Replace
EC-AT control
unit
5
Apply 12V to 2K terminal
of EC-AT control
unit
Yes
Go to next step
Start engine
in P range and let it idle
Shift to D range and check if engine
stalls
No
Replace
solenoid
valve
6
Disconnect
20-pin connector
of EC-AT control
Yes
Go to Step 9
unit
Check if resistance
between
2J terminal
and 2L
terminals
of EC-AT control
unit is OK
Resistance:
200-4OOQ
No
Go to next step
7
Check if resistance
of pulse generator
is OK
Yes
Check for poor connection
at connec-
w
page
K2-142
tors and go to next step
Resistance:
200--4OOQ
No
Replace
pulse generator
K2-101

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