GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire steering wheel control system check performed?

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Go to Step 2

Go to Steering Wheel Control System Check

2

  1. Disconnect connector C217.
  2. Turn the parklamps on.
  3. Turn the IP dimmer switch to the brightest setting.
  4. Connect a test light across C217 (male side) from terminal B to terminal D.

Does the test light illuminate?

--

Go to Step 3

Go to Step 4

3

  1. Reconnect the connector C217.
  2. Disable the SIR. Refer to Disabling the SIR System .
  3. Remove and disconnect the inflate module from the steering module.
  4. Backprobe the steering wheel controls connector from terminal B to terminal D.

Does the test light illuminate?

--

Go to Step 5

Go to Step 6

4

Connect a test light from C217 terminal B to ground.

Does the test light illuminate?

--

Go to Step 7

Go to Step 8

5

Replace the steering wheel radio controls. Refer to Steering Wheel Control Switches Replacement .

Is the repair complete?

--

Go to Step 11

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6

Inspect for a poor connection in the steering wheel controls connector terminals B and D.

Is there a poor connection present?

--

Go to Step 10

Go to Step 9

7

Repair the poor connection or open in circuit 650.

Is the repair complete?

--

Go to Step 11

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8

Repair the poor connection or open in circuit 1458 .

Is the repair complete?

--

Go to Step 11

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9

Replace the SIR Coil Assembly. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement .

Is the repair complete?

--

Go to Step 11

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10

Repair the poor connection in the steering wheel controls connector terminals B and D.

Is the repair complete?

--

Go to Step 11

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11

  1. Turn the ignition switch to the OFF position.
  2. Reconnect all connectors/components removed.

Have all repairs been made?

--

Go to Steering Wheel Control System Check

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