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. Use a test lamp in order to backprobe the seat switch connector from the appropriate cavity to ground:
  2. • Left: cavity G (LT BLU)
    • Right: cavity A (DK BLU)
  3. Move the appropriate recline switch to the BACK position.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

  1. Use a test lamp in order to backprobe the seat switch connector from the appropriate cavity to ground:
  2. • Left: cavity H (LT GRN)
    • Right: cavity B (DK GRN)
  3. Move the recline switch to the FORWARD position.

Does the test lamp light?

--

Go to Step 5

Go to Step 4

4

Replace the suspect seat switch. Refer to Power Seat Switch Replacement .

Is the seat switch replacement complete?

--

Go to Step 10

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5

  1. Use a test lamp in order to backprobe the seat recline motor connector from the appropriate cavity to ground.
  2. • Left: cavity A (LT BLU)
    • Right: cavity A (DK BLU)
  3. Move the appropriate recline switch to the BACK position.

Does the test lamp light?

--

Go to Step 6

Go to Step 8

6

  1. Use a test lamp in order to backprobe the seat recline motor connector from the appropriate cavity to ground:
  2. • Left: cavity B (LT GRN)
    • Right: cavity B (DK GRN)
  3. Move the recline switch to the FORWARD position.

Does the test lamp light?

--

Go to Step 7

Go to Step 9

7

Replace the suspect seat recline motor. Refer to Front Seat Recliner Actuator Motor Replacement .

Is the seat recline motor replacement complete?

--

Go to Step 10

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8

Repair the open in the appropriate circuit:

    • Left: CKT 277 (LT BLU)
    • Right: CKT 77 (DK BLU)

Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 10

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9

Repair the open in the appropriate circuit:

    • Left: CKT 276 (LT GRN)
    • Right: CKT 76 (DK GRN)

Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Step 10

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10

Perform the Power Seats System Check. Refer to Power Seats System Check .

Was the Power Seats System Check performed?

--

Go to Power Seats System Check

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