GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Park Avenue 🢒 Body and Accessories 🢒 Entertainment 🢒 Steering Wheel Controls Inoperative

Step

Action

Value(s)

Yes

No

1

Did you perform the Steering Wheel Control System Check?

--

Go to Step  2

Go to Steering Wheel Control System Check

2

Do all of the radio functions operate properly from the radio?

--

Go to Step  3

Go to Radio/Audio System Check

3

Do all of the heater and A/C functions operate properly from the heater and A/C control?

--

Go to Step 4

Go to Diagnostic System Check

4

Do one or more of the steering wheel control switches operate properly?

--

Go to Step  15

Go to Step  5

5

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

Inspect the 2A SWITCH fuse in the steering column fuse block.

Is the fuse OK?

--

Go to Step  6

Go to Step  7

6

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

  1. Disconnect the inflatable restraint steering wheel module coil connector C4.
  2. Measure the voltage from the inflatable restraint steering wheel module coil connector C4 terminal A (harness side) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step  9

Go to Step 8

7

Repair a short to ground in the inflatable restraint steering wheel module coil or the steering wheel control.

Did you complete the repair?

--

Go to Steering Wheel Control System Check

--

8

Repair an open or a short to ground in CKT 43 (YEL).

Did you complete the repair?

--

Go to Steering Wheel Control System Check

--

9
  1. Press and hold the steering wheel control volume DOWN switch.
  2. Measure the resistance from the inflatable restraint steering wheel module coil connector C4 terminal A to terminal C (steering column side).

Is the resistance within the specified range?

1408-1720 ohms

Go to Step  12

Go to Step  10

10

    Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

       • Air bag deployment
       • Personal injury
       • Unnecessary SIR system repairs
    In order to avoid the above conditions, observe the following guidelines:
       • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
       • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

  1. Disconnect the inflatable restraint steering wheel module coil connector C3.
  2. Press and hold the steering wheel control volume DOWN switch.
  3. Measure the resistance from the steering wheel control connector terminal A to terminal C

Is the resistance within the specified range?

1408-1720 ohms

Go to Step  11

Go to Step  15

11

Replace the inflatable restraint steering wheel module coil.

Did you complete the repair?

--

Go to Steering Wheel Control System Check

--

12

Inspect CKT 1011 (LT GRN) for an open, a short to ground, or a high resistance.

Is CKT 1011 OK?

--

Go to Step  14

Go to Step  13

13

Repair CKT 1011 (LT GRN).

Did you complete the repair?

--

Go to Steering Wheel Control System Check

--

14

Replace the radio. Refer to Radio Replacement .

Did you complete the repair?

--

Go to Steering Wheel Control System Check

--

15

Replace the steering wheel control.

Did you complete the repair?

--

Go to Steering Wheel Control System Check

--