GM Service Manual Online
For 1990-2009 cars only

Antenna Inoperative Convertible

Antenna Inoperative (Convertible)

Step

Action

Value(s)

Yes

No

1

Where you sent here from the Radio/Audio System Check?

--

Go to Step 2

Go to Radio/Audio System Check

2

  1. Disconnect the power antenna connector.
  2. Connect a test light between terminal A of the power antenna connector and ground.

Does the test light illuminate?

--

Go to Step 7

Go to Step 3

3

Inspect the RDO/ANT MiniFuse® #24 for an open circuit.

Is the fuse open?

--

Go to Step 4

Go to Step 6

4

  1. Power antenna connector is still disconnected.
  2. Replace the RDO/ANT MiniFuse® #24.

Does the fuse open immediately when it is installed?

--

Go to Step 5

Go to Step 10

5

Repair a short to ground in CKT 40.

Is the repair complete?

--

Go to Radio/Audio System Check

--

6

Repair the open in CKT 40.

Is the repair complete?

--

Go to Radio/Audio System Check

--

7

  1. Connect the DMM between terminal C and ground.
  2. Measure CKT 150 for continuity to ground.

Is CKT 150 continuous to ground?

--

Go to Step 9

Go to Step 8

8

Repair the open in CKT 150 between the power antenna assembly and G302.

Is the repair complete?

--

Go to Radio/Audio System Check

--

9

  1. Connect the test light between terminals B and C at the power antenna connector.
  2. Turn the ignition switch to the ON position.
  3. Turn the radio ON.

Does the test light illuminate?

--

Go to Step 10

Go to Step 11

10

Replace the power antenna assembly. Refer to Power Antenna Assembly Replacement .

Is the repair complete?

--

Go to Radio/Audio System Check

--

11

  1. Remove the Bose® MiniRelay #43 from the instrument panel electrical center.
  2. Connect a test light between ground and the CKT 145 terminal in the instrument panel electrical center which is used for the Bose® MiniRelay #43.
  3. Turn the ignition switch to the ON position.
  4. Turn the radio ON.

Does the test light illuminate?

--

Go to Step 12

Go to Step 13

12

Repair an open in CKT 145 between the instrument panel electrical center and the power antenna connector.

Is the repair complete?

--

Go to Radio/Audio System Check

--

13

  1. Turn the ignition switch to the OFF position.
  2. Disconnect and remove the radio from the instrument panel.
  3. Connect a DMM between the radio connector C1 terminal 8 and the CKT 145 terminal in the instrument panel electrical center which is used for the Bose® MiniRelay #43.
  4. Measure CKT 145 for continuity between these two terminals.

Is CKT 145 continuous between these terminals?

--

Go to Step 15

Go to Step 14

14

Repair an open in CKT 145 between the Bose® MiniRelay #43 and the radio connector C1.

Is the repair complete?

--

Go to Radio/Audio System Check

--

15

Replace the radio. Refer to Radio Replacement .

Is the repair complete?

--

Go to Radio/Audio System Check

--