GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Vivant 🢒 Body Systems 🢒 Wipers and Washers 🢒 Rear Wiper Inoperative

Diagnostic Aids

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

Inspect fuse F11.

Is fuse F11 open?

--

Go to Step 2

Go to Step 3

2
  1. Inspect for a short circuit and repair it, if necessary.
  2. Replace the fuse.

Did you complete the repair?

--

System OK

--

3
  1. Turn ON the ignition.
  2. Measure the voltage available at fuse F11.

11-14 V

Go to Step 5

Go to Step 4

4

Repair the open power supply circuit for fuse F11.

Did you complete the repair?

--

System OK

--

5
  1. Disconnect the rear window wiper electrical connector.
  2. Turn ON the ignition.
  3. Measure the voltage at the RED/WHT wire.

Is the voltage within the specified value?

11-14 V

Go to Step 7

Go to Step 6

6

Repair the open circuit for the RED/WHT wire between fuse F11 and the rear window wiper motor.

Did you complete the repair?

--

System OK

--

7

With the rear window wiper still disconnected, use an ohmmeter to measure continuity between the BLK wire and ground.

Does the resistance indicate the specified value?

0 ohms

Go to Step 9

Go to Step 8

8

Repair the open ground circuit for the rear window wiper motor.

Did you complete the repair?

--

System OK

--

9
  1. Turn ON the ignition.
  2. Turn ON the rear window wiper.
  3. Measure the voltage at the BRN/WH wire at the rear window wiper connector.

Does the voltage measure within the specified range?

11-14 V

Go to Step 10

Go to Step 11

10

Replace the rear window wiper motor.

Did you complete the repair?

--

System OK

--

11
  1. Disconnect the rear window wiper switch electrical connector.
  2. Turn ON the ignition.
  3. Measure the voltage at connector terminal A3.

Does the voltage measure within the specified range?

11-14 V

Go to Step 13

Go to Step 12

12

Repair the open circuit between fuse F11 and the rear window wiper switch connector terminal A3.

Did you complete the repair?

--

System OK

--

13
  1. Connect an ohmmeter between terminals A1 and A3 on the rear window wiper switch.
  2. Move the rear window wiper switch to the WIPE position.

Does the ohmmeter indicate the specified value?

0 ohms

Go to Step 14

Go to Step 15

14

Repair the open circuit between terminal A1 of the rear window wiper connector and the rear window wiper motor.

Did you complete the repair?

--

System OK

--

15

Replace the rear window wiper switch.

Did you complete the repair?

--

System OK

--