GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was 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 DMM on the ohms scale and measure the resistance to ground of terminal A circuit 99 BLK/WHT.

Is the resistance within the specified range?

Go to Step 4

Go to Step 5

4

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

Is the resistance within the specified range?

System OK

Go to Step 6

5

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

Was a circuit problem found and repaired?

--

System OK

Go to Diagnostic System Check - Instrument Cluster

6

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

Is the replacement complete?

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System OK

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7

Replace the instrument cluster. Go to Instrument Cluster Replacement .

Is the replacement complete?

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System OK

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