Daewoo FRS-2021 Service Manual page 88

6. Doors
6-1) Door Opening Alarm Continues though the door is closed.
Door switch is pushed
Door switch is soaked with
water or there is water in
Connector insertion to Main
Door switch itself is OK ?
Failure Checkup & Troubleshooting
Start
well ?
Y
the switch ?
N
PCB input is OK ?
Check #5,6 of CN4 and #4,6
of CN5.
Y
-> Open : 5V, Close : 0V
PCB is OK ?
Y
N
Check it up.
N
Check if interior light is ON.
Y
N
N
Y
Attach a thin pad on the
door liner or change the
door assembly.
Change the door switch.
Repair any disconnection of
wires and defective door
switch.
Repair the defective
connection.
Change the switch.
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