GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Driver Information System Check?

--

Go to Step 2

Go to Driver Information System Check

2

Disconnect the ambient air temperature sensor connector.

Does the display read SC?

--

Go to Step 3

Go to Step 4

3

Repair the short to ground in the appropriate location from the following list:

    • CKT 735 (LT GRN/BLK) between the compass and temperature display module and connector C102 terminal L
    • CKT 735 (LT GRN/BLK) between connector C102 terminal L and the ambient air temperature sensor connector terminal A.

Is the repair complete?

--

Go to Driver Information System Check

4

Replace the ambient air temperature sensor. Refer to Ambient Air Temperature Sensor Replacement in Body Front End.

Is the repair complete?

--

Go to Driver Information System Check

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