GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire Power Folding Top System Check performed?

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Go to Step 2

Go to Power Folding Top System Check

2

  1. Turn the ignition switch to the RUN position.
  2. Use a test light in order to backprobe between folding top switch connector terminal F and ground.

Does the test light illuminate?

--

Go to Step 3

Go to Step 4

3

Use a test light in order to backprobe between folding top switch connector terminal A and B+.

Does the test light illuminate?

--

Go to Step 5

Go to Step 6

4

Repair the open in circuit 341, between the folding top switch connector terminal F and S253.

Is the repair complete?

--

Go to Step 13

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5

  1. Use a test light in order to backprobe between folding top switch connector terminal E and ground.
  2. While observing the test light, press the folding top switch to the UP position.

Does the test light illuminate?

--

Go to Step 7

Go to Step 9

6

Use a test light in order to backprobe between folding top switch connector terminal D and B+.

Does the test light illuminate?

--

Go to Step 9

Go to Step 10

7

  1. Disconnect the folding top pump assembly connector.
  2. Connect a test light between convertible folding top pump assembly connector terminal B (the instrument panel harness side) and ground.
  3. While observing the test light, press the folding top switch to the DOWN position.

Does the test light illuminate?

--

Go to Step 8

Go to Step 11

8

  1. Connect a test light between folding top pump assembly connector terminal A (on the instrument panel harness side) and ground.
  2. While observing the test light, press the folding top switch to the UP position.

Does the test light illuminate?

--

Go to Step 12

Go to Step 14

9

  1. Test for a poor connection at folding top switch connector terminal.
  2. If the connection is OK, replace the folding top switch.

Is the repair complete?

--

Go to Step 13

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10

Repair a poor connection or an open in circuit 1350.

Is the repair complete?

--

Go to Step 13

--

11

Repair an open or a short to ground in circuit 163, between the folding top switch and the folding top pump assembly.

Is the repair complete?

--

Go to Step 13

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12

  1. Test for a poor connection at the folding top pump assembly.
  2. If the connection is OK, replace the folding top pump assembly. Refer to Power Folding Top Pump with Motor Replacement .

Is the repair complete?

--

Go to Step 13

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13

  1. Turn the ignition switch to the OFF position.
  2. Reconnect all connectors/components removed.

Have all the repairs been made?

--

Go to Power Folding Top System Check

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14

Repair an open or a short to the ground in circuit 162, between the folding top switch and the folding top pump assembly.

Is the repair complete?

--

Go to Step 13

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