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. Turn the ignition switch ON.
  3. Enter into special functions and WOW the cluster on.

Does the Low Washer Fluid indicator illuminate?

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Go to Step 3

Go to Instrument Cluster Replacement

3

  1. WOW the instrument cluster off.
  2. Disconnect the windshield washer solvent level switch connector.
  3. Turn ON the ignition switch.
  4. Short terminal A CKT 99 BLK/WHT to ground.

Does the Low Washer Fluid indicator illuminate?

--

Go to Step 4

Go to Step 5

4

With the J 39200 digital multimeter (DMM) on the ohms scale measure the resistance of CKT 1450 BLK terminal  B to ground.

Is the resistance within the specified range?

0-5 ohms

Go to Step 7

Go to Step 6

5

Locate and repair an open in CKT 99 BLK/WHT.

Was a circuit problem found and repaired?

--

System OK

Go to Instrument Cluster Replacement

6

Locate and repair an open in CKT 1450 BLK.

Was a circuit problem found and repaired?

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System OK

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7

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

Is the replacement complete?

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Go to Diagnostic System Check - Instrument Cluster

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