Daewoo Nubira User Manual page 35

REAR WINDOW WIPER (HATCHBACK AND WAGON)
Diagnostic Aid
If the front wiper is operating correctly, it is not necessary to check the fuse or the power supply circuit. Begin the diagnostic
check at Step 5 of the table below.
Step
1 Check fuse F4.
Is fuse F4 blown?
2
1. Check for a short circuit and repair it, if neces-
sary.
2. Replace the fuse.
Is the repair complete?
3
1. Turn the ignition ON.
2. Check the voltage at fuse F4.
Is the specified voltage available at fuse F4?
4 Repair the open power supply circuit for fuse F4.
Is the repair complete?
5
1. Disconnect the rear window wiper motor elec-
trical connector.
2. Turn the ignition ON.
3. Check the voltage at rear wiper motor connec-
tor terminal 3.
Does the voltage equal the specified value?
6 Repair the open circuit between fuse F4 and rear
window wiper motor connector terminal 3.
Is the repair complete?
7 With the rear window wiper still disconnected, use
an ohmmeter to check continuity between rear wiper
motor connector terminal 2 and ground.
Does the ohmmeter indicate the specified value?
8 Repair the open ground circuit for the rear window
wiper motor.
Is the repair complete?
9
1. Turn the ignition ON.
2. Turn the rear window wiper to ON.
3. Check the voltage at rear window wiper motor
connector terminal 1.
Does the voltmeter indicate the specified value?
10 Replace the rear window wiper motor.
Is the repair complete?
11
1. Disconnect the rear window wiper switch elec-
trical connector.
2. Turn the ignition ON.
3. Check the voltage at wiper switch connector
terminal A3 (PNK wire).
Does the voltmeter indicate the specified value?
12 Repair the open circuit between fuse F4 and rear
window wiper switch connector terminal A3.
Is the repair complete?
DAEWOO V–121 BL4
Action
WIPERS/WASHER SYSTEMS 9D – 9
Value(s) Yes
Go to Step 2
System OK
11 – 14 v Go to Step 5
System OK
11 – 14 v Go to Step 7
System OK
[ 0 W
Go to Step 9
System OK
11 – 14 v Go to Step 10
System OK
11 – 14 v Go to Step 13
System OK
No
Go to Step 3
Go to Step 4
Go to Step 6
Go to Step 8
Go to Step 11
Go to Step 12