GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire Power Seats System Check performed?

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Go to Step 2

Go to Power Seats System Check

2

Using a test light, backprobe between C310 terminal A and ground.

Does the test light illuminate?

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Go to Step 3

Go to Step 4

3

Using a test light, backprobe between C310 terminals A and B.

Does the test light illuminate?

--

Go to Step 5

Go to Step 6

4

Repair the poor connection or open in circuit 1240.

Is the repair complete?

--

Go to Step 7

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5

Replace the power seat switch. Refer to Power Seat Adjuster Mechanism Replacement .

Is the repair complete?

--

Go to Step 7

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6

Repair the poor connection or the open in circuit 1450.

Is the repair complete?

--

Go to Step 7

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7

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

Have the repairs been made?

--

Go to Power Seats System Check

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