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

Inspect the washer solvent container fluid level.

Is the washer solvent container filled?

--

Go to Step 4

Go to Step 3

3

Fill the washer solvent container.

Is the washer solvent container filled?

--

Go to Wiper/Washer System Check

--

4

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

Are the hoses OK?

--

Go to Step 6

Go to Step 5

5

Repair the hoses.

Are the hoses repaired?

--

Go to Wiper/Washer System Check

--

6

Inspect for clogged windshield washer nozzles.

Are the nozzles clogged?

--

Go to Step 7

Go to Step 8

7

Clear the clogged nozzles.

Are the nozzles clear?

--

Go to Wiper/Washer System Check

--

8

  1. Disconnect the washer pump connector.
  2. Turn the ignition switch to ON.
  3. Connect a J 34142 B between terminal  A and terminal 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

Inspect 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 at the washer pump connector.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

11

Replace the washer pump. Refer to Washer Pump Replacement .

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

12

  1. Connect a J 34142 B from the washer pump connector (harness side), terminal A, to ground.
  2. Activate the washer switch while observing the test light.

Is the test light on?

--

Go to Step 13

Go to Step 14

13

Repair the poor connection or open in CKT 150.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

14

  1. Backprobe the wiper/washer switch connector, terminal E, to ground using a J34142 B.
  2. Activate the washer switch.

Is the test light on?

--

Go to Step 16

Go to Step 15

15

Repair the poor connection or open in CKT 228.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

16

Replace the wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement - On Vehicle in Steering Wheel and Column or Windshield Wiper and Washer Switch Replacement - On Vehicle in Steering Wheel and Column- Tilt.

Is the replacement complete?

--

Go to Wiper/Washer System Check

--