GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2

  1. Disconnect the washer fluid level switch.
  2. Turn the ignition switch to the RUN position.
  3. Use a J 39200 digital multimeter (DMM) in order to measure the voltage between connector terminal B (BLK) and ground.

Is the measured voltage within the specified range?

10-15 V

Go to Step 8

Go to Step 3

3

Inspect for an open or short in CKT 99 (BLK).

Is the wiring OK?

--

Go to Step 5

Go to Step 4

4

Repair the open or short to ground in CKT 99 (BLK).

Did you complete the repair?

--

Go to Instrument Cluster System Check

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5

Inspect the instrument cluster connector C1 for proper terminal contact.

Is the terminal contact OK?

--

Go to Step 7

Go to Step 6

6

Repair the poor terminal contact.

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

7

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Did you complete the repair?

--

Go to Instrument Cluster System Check

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8

Connect a DMM between connector terminal B (BLK) and terminal A (BLK).

Is the measured voltage within the specified range?

10-15 V

Go to Step 12

Go to Step 9

9

Inspect CKT 1350 (BLK) for an open.

Is the wiring OK?

--

Go to Step 11

Go to Step 10

10

Repair the open in CKT 1350 (BLK).

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

11

Inspect the in-line connector C105 for proper terminal contact.

Is the terminal contact OK?

--

Go to Instrument Cluster System Check

Go to Step 6

12

Inspect the washer fluid level switch connector for proper terminal contact.

Is the terminal contact OK?

--

Go to Step 13

Go to Step 6

13

Replace the washer fluid level switch.

Did you complete the repair?

--

Go to Instrument Cluster System Check

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