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 Step 8

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 circuit 99 (BLK/WHT) to ground.

Does the Low Washer Fluid indicator illuminate?

--

Go to Step 4

Go to Step 5

4

With the DMM on the ohms scale, measure the resistance of circuit 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 circuit 99 BLK/WHT.

Is the repair complete?

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System OK

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6

Locate and repair an open in circuit 1450 (BLK).

Is the repair complete?

--

System OK

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7

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

Is the repair complete?

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Go to Diagnostic System Check - Instrument Cluster

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8

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

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System OK

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