GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Using a test light, backprobe the connector C201 between terminal A15 to ground.

Does the test light illuminate?

--

Go to Step 3

Go to Step 2

2

Repair the poor connection of an open in circuit 8 between S203 and C201  terminal A15.

His the repair been made and the system rechecked?

--

Go to Interior Lights Dimming System Check in Lighting Systems

--

3

Using test light, backprobe the connector C201 between terminal A15 and terminal A17.

Does the test light illuminate?

--

Go to Step 5

Go to Step 4

4

Repair the a poor connection or an open in circuit 150 between C201 terminal A17 and G205.

Has the repair been made and the system rechecked?

--

Go to Interior Lights Dimming System Check in Lighting Systems

--

5

  1. Disconnect the steering wheel radio control switches.
  2. Using test light, backprobe terminal B of the inflatable restraint steering wheel module coil to terminal D.

Does the test light illuminate?

--

Go to Step 7

Go to Step 6

6

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

Has the repair been made and the system rechecked?

--

Go to Interior Lights Dimming System Check in Lighting Systems

--

7

Replace the bulbs.

Has the repair been made and the system rechecked?

--

Go to Interior Lights Dimming System Check in Lighting Systems

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