GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Instrument Cluster Diagnostic System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2

  1. Connect a scan tool and enter into instrument cluster diagnostics.
  2. Enter into special functions.
  3. WOW the instrument cluster on.
  4. WOW the instrument cluster off.

Does the Low Washer Fluid indicator turn off?

--

Go to Step 3

Go to Step 7

3

  1. Fill the windshield washer fluid bottle if the fluid level is low.
  2. Disconnect the windshield washer solvent level switch connector.
  3. Turn the ignition switch off.
  4. Using a DMM on the ohms scale, measure the resistance to ground of terminal A circuit 99 (BLK/WHT).

Is the resistance equal to the specified value?

Go to Step 4

Go to Step 5

4

Using the DMM on the ohms scale, measure the resistance across the windshield washer solvent level switch terminals.

Is the resistance equal to the specified value?

System OK

Go to Step 6

5

Locate and repair an short to ground in circuit 99 (BLK/WHT).

Is the repair complete?

--

Go to Diagnostic System Check - Instrument Cluster

--

6

Replace the windshield washer solvent level switch. Refer to Windshield Washer Solvent Container Replacement .

Is the repair complete?

--

Go to Diagnostic System Check - Instrument Cluster

--

7

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

Go to Diagnostic System Check - Instrument Cluster

--