GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Instrument Cluster System Check performed?

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Go to Step 2

Go to Instrument Cluster System Check

2

Inspect the front brake lining and sensors for wear, damage to sensors and sensor wire chafing.

Was a problem found and repaired?

Go to Instrument Cluster System Check

Go to Step 3

3

  1. Disconnect both LH and the RH sensors.
  2. Use a DMM and measure the resistance to ground in CKT BA3 (GRY/RED).

Is the resistance reading within the specified value?

OL

Go to Step 4

Go to Step 5

4

  1. Disconnect connector C200A.
  2. Measure the resistance of CKT BA2 to ground (YEL/RED).

Is the resistance reading within the specified value?

OL

Go to Step 6

Go to Step 7

5

Locate and repair the short to ground in CKT BA3.

Is the circuit repair complete?

--

Go to Instrument Cluster System Check

--

6

  1. Remove the instrument panel cluster.
  2. Remove the connector from the gauge cluster.
  3. Measure the resistance from terminal 2 of the connector to ground.

Is the resistance reading within the specified value?

OL

Go to Step 8

Go to Step 9

7

Locate and repair the short to ground in CKT BA2.

Is the circuit repair complete?

--

Go to Instrument Cluster System Check

--

8

Replace the gauge cluster. Refer to Gauge Cluster Replacement.

Is the replacement complete?

--

Go to Instrument Cluster System Check

--

9

Repair the short to ground in the circuit between terminal 2 and terminal 31 of C200A.

Is the circuit repair complete?

--

Go to Instrument Cluster System Check

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