GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Wiper/Washer Systems

2

  1. Turn ON the ignition, with the engine OFF
  2. Drain the washer solvent container.
  3. Wait one minute and observe the LOW WASHER FLUID indicator.
  4. Fill the washer solvent container.
  5. Wait one minute and observe the LOW WASHER FLUID indicator.

Does the LOW WASHER FLUID indicator turn ON when the solvent container is empty and OFF when the solvent container is filled?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

Does the Low Washer Fluid indicator remain ON when the washer solvent container is filled?

Go to Step 4

Go to Step 6

4

  1. Disconnect the windshield washer solvent level switch.
  2. Wait one minute.

Did the Low Washer Fluid indicator turn OFF?

Go to Step 9

Go to Step 5

5

Test the low washer fluid indicator control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 10

6

  1. Disconnect the windshield washer solvent level switch.
  2. Connect a fused jumper wire from the low washer fluid indicator control circuit to a good ground.
  3. Wait one minute.

Does the LOW WASHER FLUID indicator turn ON?

Go to Step 8

Go to Step 7

7

Test the low washer fluid indicator control circuit for high resistance or an open. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs or Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 10

8

Test the ground circuit of the windshield washer solvent level switch for high resistance or an open. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs or Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 9

9

Replace the windshield solvent level sensor switch.

Did you complete the replacement?

Go to Step 11

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10

Replace the instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console.

Did you complete the replacement?

Go to Step 11

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11

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3