GM Service Manual Online
For 1990-2009 cars only

Rear Seat Radio Controls Inoperative Luxury

Step

Action

Value(s)

Yes

No

1

Has the Radio/Audio System Check been performed?

--

Go to Step 2

Go to Radio/Audio System Check

2

  1. Place ignition in ACC or RUN.
  2. Disconnect rear stereo audio controller connector.
  3. Connect a J 39200 DMM from cavity A CKT 43 (YEL) to ground.

Is the voltage equal to the specified value?

12 Volts

Go to Step 4

Go to Step 3

3

Repair open in CKT 43 (YEL) between the rear stereo audio controller and the IP fuse block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

--

4

Connect a J 39200 DMM from cavity C CKT 150 (BLK) to ground.

Does continuity exist?

--

Go to Step 6

Go to Step 5

5

Repair open in CKT 150 (BLK) wire between rear stereo audio controller and G200. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

--

6

Remove rear stereo audio controller and send in for service.

Is the repair complete?

--

Go to Radio/Audio System Check

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