GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the Driver Information Center Description and perform the necessary inspections?

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Go to Step 2

Go to Diagnostic Starting Point

2

  1. Disconnect the compass and temperature display module.
  2. Turn ON the ignition, with the engine OFF.
  3. Connect a test lamp from the compass and temperature display module CKT 43 (YEL) terminal E to ground.

Does the test lamp illuminate?

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Go to Step 3

Go to Step 4

3

Connect a test lamp between the compass and temperature display module from CKT 43 (YEL) terminal E to CKT 550 (BLK) terminal F.

Does the test lamp illuminate?

--

Go to Step 5

Go to Step 6

4

Repair the open in CKT 43 (YEL). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Step 7

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5

Replace the compass and temperature display module. Refer to Driver Information Center Module Replacement .

Did you complete the replacement?

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Go to Step 7

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6

Repair the open in CKT 550 (BLK). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2