GM Service Manual Online
For 1990-2009 cars only

Low Washer Fluid Warning Inoperative

Step

Action

Value(s)

Yes

No

1

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

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Go to Step 2

Go to Symptoms

2

  1. Fill the windshield washer fluid container to the proper level.
  2. Turn the ignition switch ON.
  3. Wait 1 minute.

Is the LOW WASHER FLUID message displayed on the driver information center?

--

Go to Step 3

Go to Step 5

3

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

Is the LOW WASHER FLUID message displayed on the driver information center?

--

Go to Step 4

Go to Step 6

4

Test and repair the windshield washer fluid level switch signal circuit 99 for a short to ground.

Did you find and correct the condition?

--

Go to Step 11

Go to Step 9

5

  1. Disconnect the windshield washer fluid level switch connector.
  2. Connect a fused jumper wire from the windshield washer fluid level switch connector terminal A to terminal B.
  3. Turn the ignition switch ON.
  4. Wait 1 minute.

Is the LOW WASHER FLUID message displayed on the driver information center?

--

Go to Step 6

Go to Step 7

6

Replace the windshield wiper fluid level switch. Refer to Washer Pump/Reservoir Replacement .

Is the repair complete?

--

Go to Step 11

--

7

  1. Connect a fused jumper wire from the windshield washer fluid level switch connector terminal A to ground.
  2. Turn the ignition switch ON.
  3. Wait 1 minute

Is the LOW WASHER FLUID message displayed on the driver information center?

--

Go to Step 8

Go to Step 9

8

Repair the open or high resistance in the windshield washer fluid level switch ground circuit 150.

Is the repair complete?

--

Go to Step 11

--

9

Test and repair the windshield washer fluid level switch signal circuit 99 for an open or high resistance.

Did you find and correct the condition?

--

Go to Step 11

Go to Step 10

10

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

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 Symptoms