9D – 6IWIPERS/WASHER SYSTEMS
DAEWOO V–121 BL4
Wipers Do Not Work On Intermittent (INT), Other Speeds OK
Step Action Value(s) Yes No
1
1. Turn the ignition ON.
2. Use a voltmeter to test the voltage at wiper
relay connector terminal 15.
Is voltage equal to the specified value?
11–14 v Go to Step 3 Go to Step 2
2 Repair the open circuit between the wiper relay con-
nector terminal 15 and fuse F4.
Is the repair complete?
System OK
3
1. Turn the ignition on.
2. Turn the wiper switch to INT.
3. Check the voltage at wiper relay connector ter-
minal I.
Does the voltmeter indicate a voltage equal to the
specified value?
11–14 v Go to Step 7 Go to Step 4
4 Check for an open circuit between wiper switch con-
nector terminal A7 and wiper relay connector termi-
nal I.
Is there an open circuit?
Go to Step 6 Go to Step 5
5 Replace the wiper switch.
Is the repair complete?
System OK
6 Repair the open circuit between wiper switch con-
nector terminal A7 and wiper relay connector termi-
nal I.
Is the repair complete?
System OK
7
1. Turn the ignition on.
2. Turn the wiper switch to INT.
3. Check for pulsing voltage at wiper switch con-
nector terminal A6.
Does the voltmeter indicate a pulsating voltage
equal to the specified value?
11–14 v Go to Step 11 Go to Step 8
8 Using an ohmmeter, check the resistance between
ground and the wiper relay connector terminal 31.
Is resistance equal to the specified value?
[ 0 W Go to Step 10 Go to Step 9
9 Repair the open ground circuit.
Is the repair complete?
System OK
10 Replace the wiper relay.
Is the repair complete?
System OK
11
1. Ignition ON.
2. Turn the wiper switch to INT.
3. Backprobe to check the voltage at the wiper
switch connector terminal A5.
Does the voltmeter indicate a pulsating voltage
equal to the specified value?
11–14 v Go to Step 12 Go to Step 13
12 Replace the wiper relay.
Is the repair complete?
System OK
13 Repair the open circuit between the wiper switch and
the wiper relay.
Is the repair complete?
System OK
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