GM Service Manual Online
For 1990-2009 cars only

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. Remove the remote CD player.
  2. Turn the ignition to the ON position with the engine in the OFF position.
  3. Turn the radio to the ON position.
  4. Backprobe the remote CD player connector with a J 39200 from cavity 15 to ground.

Is there battery voltage?

--

Go to Step 4

Go to Step 3

3

Locate and repair the open in CKT 1140 (ORN) between the remote CD player connector and the radio connector. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

--

4

Backprobe cavity 15 and cavity 13 of the remote CD player connector with a J 39200 .

Is there battery voltage?

--

Go to Step 6

Go to Step 5

5

Locate and repair the open in CKT 150 (BLK) between the radio and the remote CD player. Refer to Wiring Repairs in Wiring Systems.

--

Go to Radio/Audio System Check

--

6

With a J 39200 , backprobe cavity 7 of the remote CD player connector to ground.

Is there battery voltage?

--

Go to Step 8

Go to Step 7

7

Locate and repair the open in CKT 314 (PNK) between the radio connector and the remote CD player. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

--

8

With a J 39200 , backprobe cavity 14 of the remote CD player connector to ground.

Is there battery voltage?

--

Go to Step 10

Go to Step 9

9

Locate and repair the open in CKT 835 (DK GRN) between the remote CD player connector and the radio connector. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

--

10

With a J 39200 , backprobe cavity 10 of the remote CD player connector to ground and cavity 11 of the remote CD player connector to ground.

Is the voltage the specified value?

3-4 Volts

Go to Step 11

Go to Step 12

11

Send the remote CD player for repair.

Is the repair complete?

--

Go to Radio/Audio System Check

--

12

  1. Disconnect the remote CD player connector.
  2. Disconnect the radio connectors.
  3. Connect a J 39200 between the remote CD player connector and the radio connector C3.

Is there continuity?

--

Go to Step 14

Go to Step 13

13

Locate and repair the open in CKT 1407 (LT GRN) between the radio connector C3 and the remote CD player connector. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

--

14

Connect a J 39200 between the remote CD connector cavity 11 and the radio connector C3 cavity 11.

Is there continuity?

--

Go to Step 16

Go to Step 15

15

Locate and repair the open in CKT 1406 (BRN/BLK) between the radio connector C3 and the remote CD player connector. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

--

16

Connect a J 39200 from cavity 10 of the remote CD player connector to ground and from cavity 11 of the remote CD player connector to ground.

Is the resistance the specified value?

OL

Go to Step 18

Go to Step 17

17

Locate and repair the short to ground in CKT 1407 (LT GRN) or CKT 1406 (ORN/PNK) between the remote CD player connector and the radio connector C3. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Radio/Audio System Check

--

18

Send the radio for service.

Is the repair complete?

--

Go to Radio/Audio System Check

--