GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the power seats system check?

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Go to Step 2

Go to Power Seats System Check

2

  1. Disconnect the inoperative seat adjuster switch assembly from the connector.
  2. Connect a test lamp J 35616-200 from CKT 540 (ORN) cavity F at the inoperative seat adjuster switch harness connector to ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 540 (ORN) between the inoperative seat adjuster switch and the instrument panel fuse block.

Is the repair complete?

--

Go to Power Seats System Check

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4

Connect a test lamp J 35616-200 from CKT 750 (BLK) cavity C to CKT 540 (ORN) cavity F at the inoperative seat adjuster switch harness connector.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5

Replace the inoperative seat adjuster switch. Refer to Power Seat Switch Replacement .

Is the repair complete?

--

Go to Power Seats System Check

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6

Repair the open in CKT 750 (BLK) between the inoperative seat adjuster switch and ground G110.

Is the repair complete?

--

Go to Power Seats System Check

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