GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Fill the washer fluid level to the normal level.

Does the LOW WASH indicator light continuously?

--

Go to Step 3

Go to Step 2

2

Does the low wash indicator light when the washer solvent level is low?

--

Refer to Instrument Cluster Operation

Go to Step 4

3

  1. Turn the ignition switch to RUN.
  2. Connect the scan tool.
  3. Refer to the Instrument Cluster Data List. Read the low washer fluid input.

Is the low washer fluid input active?

--

Go to Step 10

Go to Step 5

4

  1. Disconnect the washer solvent level sensor.
  2. Connect a test lamp from terminal B of the sensor connector to B+.

Does the test light illuminate?

--

Go to Step 6

Go to Step 7

5

  1. Turn the ignition switch to RUN.
  2. Disconnect the washer solvent level sensor.

Did the indicator turn off when the switch is disconnected?

--

Go to Step 9

Go to Step 8

6

Inspect CKT 185 for an open.

Did you find and correct a condition?

--

System OK

Go to Step 9

7

Repair an open in CKT 150.

Did you complete the repair?

--

System OK

--

8

Inspect CKT 185 for a short to ground.

Did you find and repair a condition?

--

System OK

Go to Step 10

9

Replace the washer solvent level sensor. Refer to Wiper/Washer Systems.

Did you complete the repair?

--

System OK

--

10

Replace the instrument panel cluster. Refer to IP Cluster Replacement.

Did you complete the repair?

--

System OK

--