GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check the STR WHL CONT Fuse.

Is the fuse open?

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Go to Step 2

Go to Step 3

2

Repair a short to ground in the steering wheel control switch B+ feed. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 10

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3

Using a test lamp, backprobe connector C205 between the steering wheel control switch B+ feed circuit and ground.

Does the test lamp illuminate?

--

Go to Step 5

Go to Step 4

4

Repair a poor connection or an open in the steering wheel control switch B+ feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 10

--

5

Using a test lamp, backprobe connector C205 between the steering wheel control switch B+ feed circuit and the steering wheel control switch ground circuit.

Does the test lamp illuminate?

--

Go to Step 7

Go to Step 6

6

Repair a poor connection or an open in the steering wheel control switch ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 10

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7

  1. Disconnect the steering wheel radio control switches.
  2. Using a test light, backprobe the inflatable restraint steering wheel module coil between the steering wheel control switch B+ feed circuit and the steering wheel control switch ground circuit.

Does the test lamp illuminate?

--

Go to Step 9

Go to Step 8

8

Replace the inflatable restraint steering wheel module coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.

Did you complete the repair?

--

Go to Step 10

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9

Replace the bulbs in the radio control switches.

Did you complete the repair?

--

Go to Step 10

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10

Operate the system in order to verify the repair.

Did you correct the condition?

--

Go to Diagnostic System Check - Lighting Systems in Lighting Systems

Go to Step 2