GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

DEFINITION: The check washer fluid message is always displayed or does not display with low washer fluid.

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

Verify that the low washer fluid indicator malfunction fault is present.

Does the system operate as described in the system description and operation?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

Is the check washer fluid message always On?

Go to Step 4

Go to Step 5

4

  1. Turn the ignition OFF.
  2. Disconnect the windshield washer fluid level switch connector.
  3. Turn the ignition ON.

Is the check washer fluid message displayed on the driver information center (DIC)?

Go to Step 7

Go to Step 9

5

  1. Turn the ignition OFF.
  2. Disconnect the windshield washer fluid level switch connector.
  3. Connect a 3-amp fused jumper wire from the washer fluid level switch signal circuit terminal in the washer fluid level switch connector to a good ground.
  4. Turn the ignition ON.

Is the check washer fluid message displayed on the DIC?

Go to Step 6

Go to Step 8

6

  1. Turn the ignition OFF.
  2. Connect the 3-amp fused jumper wire across the washer fluid level switch harness connector terminals.
  3. Turn the ignition ON.

Is the check washer fluid message displayed on the DIC?

Go to Step 9

Go to Step 11

7

Test the signal circuit of the windshield washer fluid level switch for a short to ground. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 10

8

Test the signal circuit of the windshield washer fluid level switch for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 10

9

Inspect for poor connections at the harness connector of the windshield washer fluid level switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 12

10

Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 13

11

Repair the high resistance or open in the ground circuit of the washer fluid level switch. Refer to Circuit Testing and Wiring Repairs .

Is the repair complete?

Go to Step 14

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12

Replace the windshield washer fluid level switch. Refer to Windshield Washer Solvent Level Switch Replacement .

Is the repair complete?

Go to Step 14

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13

Replace the IPC. Refer to Control Module References for replacement, setup, and programming.

Is the repair complete?

Go to Step 14

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14

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2