GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Have you performed the Power Seats System Check?

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Go to Step 2

Go to Power Seats System Check

2

  1. Ensure that the motor connector is connected.
  2. Connect a test lamp to ground.
  3. Backprobe the front height motor connector terminal A .
  4. Operate the power seat adjuster switch to the front UP position.

Does the test lamp light?

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Go to Step 3

Go to Step 5

3

  1. Ensure that the motor connector remains connected.
  2. Connect a test lamp to ground.
  3. Backprobe the front height motor connector terminal B.
  4. Operate the power seat adjuster switch to the front DOWN position.

Does the test lamp light?

--

Go to Step 4

Go to Step 6

4

Replace the front height motor.

Is the repair complete?

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Go to Power Seats System Check

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5

  1. Access the power seat adjuster switch.
  2. Remove the torx screw.
  3. Remove the cover.
  4. Connect a test lamp to ground.
  5. Probe the terminal connected to the DK GRN wire .
  6. Operate the seat adjuster switch to the front UP position.

Does the test lamp light?

--

Go to Step 7

Go to Step 9

6

  1. Access the power seat adjuster switch.
  2. Remove the torx screw.
  3. Remove the cover.
  4. Connect a test lamp to ground.
  5. Probe the terminal connected to the DK BLU wire.
  6. Operate the seat adjuster switch to the front DOWN position.

Does the test lamp light?

--

Go to Step 8

Go to Step 9

7

Locate and repair the open or high resistance inthe DK GRN wire between the power seat adjuster switch and the seat front height motor.

Is the repair complete?

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Go to Power Seats System Check

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8

Locate and repair the open or high resistance in the DK BLU wire between the power seat adjuster switch and the seat front height motor.

Is the repair complete?

--

Go to Power Seats System Check

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9

Replace the power seat adjuster switch.

Is the repair complete?

--

Go to Power Seats System Check

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