GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Power Antenna System Check performed?

--

Go to Step 2

Go to Power Antenna System Check

2

  1. Disconnect the power antenna assembly connector.
  2. Connect an unpowered test lamp between the power antenna assembly connector, pin A for CKT 1140 (ORN) and ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 9

3

Connect a digital multimeter J 39200 between the power antenna assembly connector, pin C for CKT 150 (BLK) and ground.

Is continuity present?

--

Go to Step 4

Go to Step 10

4

  1. Connect an unpowered test lamp between the power antenna assembly connector, pin B for CKT 314 (PNK) and ground.
  2. Place the ignition switch in the RUN position.
  3. Turn ON the radio.

Does the test lamp light?

--

Go to Step 11

Go to Step 5

5

  1. Turn OFF the radio.
  2. Disconnect the radio C1 connector.
  3. Connect a J 39200 between radio C1 connector, cavity 8 for CKT 314 (PNK) and ground.

Is continuity present?

--

Go to Step 12

Go to Step 6

6

Connect a J 39200 between the radio C1 connector, cavity 8 and power antenna assembly connector, pin B for CKT 314 (PNK).

Is continuity present?

--

Go to Step 7

Go to Step 13

7

Connect an unpowered test lamp between the radio C1 connector, cavity 10 for CKT 1140 and ground.

Does the test lamp light?

--

Go to Step 8

Go to Step 14

8

  1. Reconnect the power antenna assembly connector.
  2. Connect a fused jumper wire between radio C1 connector, cavities 10 and 8.

Does the power antenna assembly raise?

--

Go to Step 15

Go to Step 11

9

Repair the open in CKT 1140 (ORN) between the IP fuse block and the power antenna assembly connector.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Antenna System Check

--

10

Repair the open in CKT 150 (BLK) between the power assembly connector and ground G201.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Antenna System Check

--

11

Replace the power antenna assembly.

Refer to Power Antenna Assembly Replacement .

Is the repair complete?

--

Go to Power Antenna System Check

--

12

Repair the short to ground in CKT 314 (PNK) between the radio C1 connector and the power antenna assembly.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Antenna System Check

--

13

Repair the open in CKT 314 (PNK) between the radio C1 connector and the power antenna assembly connector.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Antenna System Check

--

14

Repair the open in CKT 1140 (ORN) between the radio C1 connector and splice S219.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Antenna System Check

--

15

Replace the radio.

Refer to Radio Replacement .

Is the repair complete?

--

Go to Power Antenna System Check

--