9P – 12IDOORS
DAEWOO V–121 BL4
System With Front and Rear Power Windows, One or Both Rear
Windows are Inoperative
CAUTION : When powering the window motors directly from a battery with jumper wires, make sure one of the
jumper wires contains a fuse. If the jumpers are accidentally touched together, the fuse will prevent sparking
and burns from sudden terminal heating.
Step
ActionValue(s)YesNo
11. Turn the ignition ON.
2. Make sure that the window lock position has
not been selected on the power window main
switch.
Is either rear power window working?–Go to
Step 18Go to
Step 2
2Visually inspect the connection at the power
window main switch.
Is the electrical connector correctly attached
to the main switch?–Go to
Step 4Go to
Step 3
3Correctly attach the electrical connector to
the power window main switch.
Is the repair complete?–System
OK–
41. Disconnect the electrical connector from the
power window main switch.
2. Turn the ignition ON.
3. Check the voltage at terminal 3 and 10 of the
power window main switch connector.
Is the voltage equal to the specified value?11–14 vGo to
Step 16Go to
Step 5
5Check fuses EF9 and EF14.
Is either fuse blown?–Go to
Step 6Go to
Step 7
61. Check for a short circuit and repair, if neces-
sary.
2. Replace the blown fuse(s).
Is the repair complete?–System
OK–
71. Turn the ignition ON.
2. Check the voltages at fuses Ef9 and EF14.
Are both voltages equal to the specified val-
ue?11–14 vGo to
Step 9Go to
Step 8
8Repair the power supply to the fuse which did
not indicate battery voltage with the ignition
on.
Is the repair complete?–System
OK–
91. Turn the ignition ON.
2. Remove the power window relay.
3. Check the voltage at terminal 30 and terminal
86 of the power window relay socket. (Termi-
nals of the relay socket can be identified by
the markings on the bottom of the relay.)
Does the voltmeter indicate the specified val-
ue?11–14 vGo to
Step 11Go to
Step 10
10Repair the open circuit between the fuses and
the power window relay.
Is the repair complete?–System
OK–
