Daewoo Nubira. Service manual - part 36

 

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Daewoo Nubira. Service manual - part 36

 

 

9D – 8

I

WIPERS/WASHER SYSTEMS

DAEWOO V–121 BL4

WINDSHIELD WASHER SYSTEM

Windshield Washer Inoperative, Wipers Work OK

Step

Action

Value(s)

Yes

No

1

Activate the windshield washer switch.
Do the windshield wipers operate when the washer
switch is activated?

Go to Step 4

Go to Step 2

2

1.  Turn the ignition ON.
2.  While activating the washer switch, test the

voltage at windshield wiper switch connector
terminal A4.

Is voltage equal to the specified value?

11–14 v

Go to Step 8

Go to Step 3

3

Replace windshield wiper switch.
Is the repair complete?

System OK

4

Check the windshield washer fluid reservoir.
Is there washer fluid in the fluid reservoir?

Go to Step 6

Go to Step 5

5

Fill the windshield washer fluid reservoir.
Is the repair complete?

System OK

6

Check the windshield washer hoses and nozzles.
Are the windshield washer hoses and nozzles
clogged or damaged?

Go to Step 7

Go to Step 8

7

Repair the washer hoses and nozzles.
Is the repair complete?

System OK

8

1.  Turn the ignition ON.
2.  With the windshield washer activated, test the

voltage at the windshield washer pump.

Is the voltage equal to the specified value?

11–14 v

Go to Step 10

Go to Step 9

9

Repair the open circuit between the windshield
washer pump and the windshield wiper switch.
Is the repair complete?

System OK

10

Use an ohmmeter to measure resistance between
ground and the windshield washer pump connector
terminal 1.
Is the resistance equal to the specified value?

[

 0 

W

Go to Step 12

Go to Step 11

11

Repair the windshield washer pump ground circuit.
Is the repair complete?

System OK

12

Replace the windshield washer pump.
Is the repair complete?

System OK

 

WIPERS/WASHER SYSTEMS  9D – 9

DAEWOO V–121 BL4

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

Action

Value(s)

Yes

No

1

Check fuse F4.
Is fuse F4 blown?

Go to Step 2

Go to Step 3

2

1.  Check for a short circuit and repair it, if neces-

sary.

2.  Replace the fuse.

Is the repair complete?

System OK

3

1.  Turn the ignition ON.
2.  Check the voltage at fuse F4.

Is the specified voltage available at fuse F4?

11 – 14 v

Go to Step 5

Go to Step 4

4

Repair the open power supply circuit for fuse F4.
Is the repair complete?

System OK

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?

11 – 14 v

Go to Step 7

Go to Step 6

6

Repair the open circuit between fuse F4 and rear
window wiper motor connector terminal 3.
Is the repair complete?

System OK

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?

[

 0 

W

Go to Step 9

Go to Step 8

8

Repair the open ground circuit for the rear window
wiper motor.
Is the repair complete?

System OK

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?

11 – 14 v

Go to Step 10

Go to Step 11

10

Replace the rear window wiper motor.
Is the repair complete?

System OK

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?

11 – 14 v

Go to Step 13

Go to Step 12

12

Repair the open circuit between fuse F4 and rear
window wiper switch connector terminal A3.
Is the repair complete?

System OK

9D – 10

I

WIPERS/WASHER SYSTEMS

DAEWOO V–121 BL4

Step

No

Yes

Value(s)

Action

13

1.  Connect an ohmmeter between terminals A1

and A3 of the rear window wiper switch.

2.  Move the rear window wiper switch to the

WIPE position.

Does the ohmmeter indicate the specified value?

[

 0 

W

Go to Step 14

Go to Step 15

14

Repair the open circuit between terminal A1 of the
rear window wiper connector (WHT wire) and the
rear window wiper motor.
Is the repair complete?

System OK

15

Replace the rear window wiper switch.
Is the repair complete?

System OK

 

WIPERS/WASHER SYSTEMS  9D – 11

DAEWOO V–121 BL4

REAR WINDOW WASHER SYSTEM (HATCHBACK AND

WAGON)

Step

Action

Value(s)

Yes

No

1

Check the washer fluid level.
Is there fluid in the washer reservoir?

Go to Step 3

Go to Step 2

2

Fill the washer reservoir.
Is the repair complete?

System OK

3

Verify that the hoses are not obstructed or leaking.

1.  Disconnect the washer hose.
2.  Blow through the washer hose toward the res-

ervoir and also toward the nozzle.

Are the hoses obstructed or leaking?

Go to Step 4

Go to Step 5

4

Repair or replace the hoses.
Is the repair complete?

System OK

5

Check the function of the rear window wiper.
Does the rear window wiper function correctly?

Go to Step 7

Go to Step 6

6

Repair the rear window wiper.
Is the rear window wiper functioning correctly?

Go to Step 7

7

1.  Disconnect the electrical connector at the rear

window washer pump.

2.  Use an ohmmeter to check continuity between

terminal 1 and ground.

Does the ohmmeter indicate the specified value?

[

 0 

W

Go to Step 9

Go to Step 8

8

Repair the open or high–resistance ground connec-
tion.
Is the repair complete?

System OK

9

1.  Turn the rear window washer ON.
2.  Check the voltage at terminal 2 of the rear win-

dow washer pump connector (DK GRN wire).

Is the voltage equal to the specified value?

11 – 14 v

Go to Step 10

Go to Step 11

10

Replace the rear window washer pump.
Is the repair complete?

System OK

11

1.  Disconnect the rear window wiper switch.
2.  Connect an ohmmeter between terminal A3

and terminal A2 of the rear window wiper
switch.

3.  Observe the ohmmeter when the switch is

moved to the rear WASH position.

Does the ohmmeter indicate the specified value?

[

 0 

W

Go to Step 12

Go to Step 13

12

Repair the open circuit between terminal A2 (DK
GRN wire) of the rear window wiper switch connec-
tor and terminal 2 (DK GRN wire) of the rear window
washer pump.
Is the repair complete?

System OK

13

Replace the rear window wiper switch.
Is the repair complete?

System OK

 

 

 

 

 

 

 

 

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