DAEWOO ELECTRONICS FRN-U20IC, Service Manual, Page: 55 / 83

54
Door switch is soaked with
water or there is water in
the switch ?
PCB input is OK ?
Start
Change the door switch.
N
Y
Repair any disconnection
of wires and defective
Door switch.
Y
Connector insertion to
Main PCB is OK ?
N
Repair the defective
connection.
Y
Door switch itself is
OK ?
N
Change the switch.
N
Y
Check it up.
Door switch is pushed
well ?
Y
Attach a thin pad on the
door liner or change the
door assembly.
Check if interior light is ON.
N
6-5. Door
6-5-1. Door Opening Alarm Continues though the door is closed.
Check #5,6 of CN8 (F-Door)
and #4,6 of CN7 (F-Door).
→
Open : 5V, Close : 0V