GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Radio/Audio System Check?

--

Go to Step 2

Go to Diagnostic System Check - Radio/Audio System

2

Test the STRG WHL CONT fuse for an open.

Is STRG WHL CONT fuse open?

--

Go to Step 6

Go to Step 3

3

Using a test light, Connect between Connector C205 terminal B and ground.

Does the test light illuminate?

--

Go to Step 4

Go to Step 7

4

Using a test light, Connect between Connector C205 terminal C and B+.

Does the test light illuminate?

--

Go to Step 5

Go to Step 8

5

Repair a poor connection or open in circuit 1450.

Is the repair complete?

--

Go to Diagnostic System Check - Radio/Audio System

--

6

Repair a short to B+ in circuit 1458.

Is the repair complete?

--

Go to Diagnostic System Check - Radio/Audio System

--

7

Repair a poor connection or open in circuit 1458.

Is the repair complete?

--

Go to Diagnostic System Check - Radio/Audio System

--

8

Repair a poor connection or open in circuit 1796.

Is the repair complete?

--

Go to Diagnostic System Check - Radio/Audio System

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