GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics

1

Did you review the Instrument Panel, Gages and Console Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Instrument Panel, Gages and Console

2

Verify that the fuel gage is inaccurate or inoperative.

Does the system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Disconnect the instrument cluster assembly. Refer to Instrument Panel Assembly Replacement .
  2. Measure for resistance from the screw head IG+ to the screw head FU.

Is the measured resistance within limits?

Go to Step 4

Go to Step 6

4

Measure the resistance from the screw head IG+ to the screw head SE.

Is the measured resistance within the specified limits?

Go to Step 5

Go to Step 6

5

Measure the resistance from the screw head SE to the screw head FU.

Is the measured resistance within the specified limits?

Go to Step 7

Go to Step 6

6

Replace the fuel gage. Refer to Fuel Gage Replacement .

Is the repair complete?

Go to Step 13

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7

Inspect the instrument cluster printed circuit for damage or corrosion.

Does the printed circuit have damage or corrosion?

Go to Step 8

Go to Step 9

8

Replace the Printed circuit. Refer to Printed Instrument Cluster Circuit Replacement .

Is the repair complete?

Go to Step 13

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9

Inspect the fuel sender signal circuit between the instrument cluster C3 and the fuel sender for damage or corrosion.

Is the wire damaged?

Go to Step 11

Go to Step 10

10

Inspect the BRN wire between the G202 and the fuel sender assembly for damage or corrosion.

Is the wire damaged?

Go to Step 11

Go to Step 12

11

Repair the wire. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 13

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12

Replace the fuel sender assembly. Refer to Fuel Sender Assembly Replacement in Engine Controls.

Is the repair complete?

Go to Step 13

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13

Operate the system in order to verify the repair.

Did you correct the condition?

Systems OK

Go to Step 3