GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

--

Go to Step 2

Go to Wiper/Washer System Check

2

Check the washer solvent container fluid level.

Is the washer solvent container empty?

--

Go to Step 3

Go to Step 4

3

Fill the washer solvent container.

Is the washer solvent container filled?

--

Go to Wiper/Washer System Check

--

4

Check the washer hoses to ensure that they are correctly attached and that they are not pinched or kinked.

Are the washer hoses OK?

--

Go to Step 6

Go to Step 5

5

Repair or replace the washer hoses.

Is the repair or replacement complete?

--

Go to Wiper/Washer System Check

--

6

Check for clogged windshield washer nozzles.

Are the nozzles clogged?

--

Go to Step 7

Go to Step 8

7

Replace the clogged nozzles.

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

8

  1. Disconnect the washer pump connector.
  2. Turn the ignition switch to ON.
  3. Connect a test light between terminals A and B of the washer pump connector (harness side).
  4. Activate the washer switch while observing the test light.

Is the test light on?

--

Go to Step 9

Go to Step 12

9

Check for a poor connection at the washer pump connector.

Is a poor connection present?

--

Go to Step 10

Go to Step 11

10

Repair the poor connection.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

11

Replace the washer pump. Refer to Washer Pump/Reservoir Replacement .

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

12

  1. Connect the test light between the washer pump connector (harness side), terminal A, and ground.
  2. Activate the washer switch while observing test light.

Is the test light on?

--

Go to Step 13

Go to Step 14

13

Repair the poor connection or open in CKT 350.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

14

  1. Backprobe from the wiper/washer switch connector C211, terminal E9, to ground using a test light.
  2. Activate the washer switch.

Is the test light on?

--

Go to Step 15

Go to Step 16

15

Repair the poor connection or open in CKT 228.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

16

Check for an poor connection at wiper/washer switch connector C211, terminal E9.

Is a poor connection present?

--

Go to Step 17

Go to Step 18

17

Repair the poor connection at wiper/washer switch connector C211, terminal E9.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

18

Replace the wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle with Standard column or Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle with Tilt column.

Is the replacement complete?

--

Go to Wiper/Washer System Check

--