GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check performed?

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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 and WOW the cluster on.
  3. WOW the cluster off.

Does the Low Washer Fluid indicator turn off?

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Go to Step 3

Go to Step 7

3

  1. Fill the windshield washer fluid bottle if low.
  2. Disconnect the windshield washer solvent level switch connector.
  3. Turn the ignition switch off.
  4. Use a J 39200 digital multimeter (DMM) on the ohms scale and measure the resistance to ground of terminal A CKT 99 BLK/WHT.

Is the resistance equal to the specified value?

Go to Step 4

Go to Step 5

4

With the J 39200 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 a short to ground in CKT 99 BLK/WHT.

Did you find and repair a circuit problem?

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System OK

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6

Replace the windshield washer solvent level switch. Refer to Rear Window Washer Solvent Container Replacement in Wipers/Washer Systems.

Is the repair complete?

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System OK

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7

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

Is the repair complete?

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System OK

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