GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Riviera 🢒 Body and Accessories 🢒 Seats 🢒 Power Seat Does Not Recline

Power Seat Does Not Recline Buick

Step

Action

Value(s)

Yes

No

1

Was the entire Power Seats System Check performed?

--

Go to Step 2

Go to Power Seats System Check

2
  1. Turn the ignition switch to the OFF position.
  2. Using a test lamp, backprobe the seat recline motor connector from cavity B (LT GRN) to ground.
  3. Move the recline switch forward.

Does the test lamp light?

--

Go to Step 5

Go to Step 3

3

Inspect CKT 276 (LT GRN) (left) or CKT 76 (DK GRN) (right) for an open between the seat switch and the seat recline motor. Refer to Testing for Continuity in Wiring Systems.

Is CKT 276 or CKT 76 OK?

--

Go to Step 4

Go to Step 8

4

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

Is the repair complete?

--

Go to Power Seats System Check

--

5
  1. Using a test lamp, backprobe the seat recline motor connector from cavity A (LT BLU) to ground.
  2. Move the recline switch back.

Does the test lamp light?

--

Go to Step 7

Go to Step 6

6

Inspect CKT 277 (LT BLU) (left) or CKT 77 (DK BLU) (right) for an open between the seat switch and the seat recline motor. Refer to Testing for Continuity in Wiring Systems.

Is CKT 277 or CKT 77 OK?

--

Go to Step 4

Go to Step 8

7

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

Is the repair complete?

--

Go to Power Seats System Check

--

8

Repair the suspect circuit. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Seats System Check

--

Power Seat Does Not Recline Oldsmobile

Step

Action

Value(s)

Yes

No

1

Was the entire Power Seats System Check performed?

--

Go to Step 2

Go to Power Seats System Check

2
  1. Turn the ignition switch to the OFF position.
  2. Using a test lamp, backprobe the right seat switch connector from cavity E (DK BLU) to ground.
  3. Move the recline switch forward.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

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

Is the repair complete?

--

Go to Power Seats System Check

--

4
  1. Using a test lamp, backprobe the right seat switch connector from cavity F (DK GRN) to ground.
  2. Move the recline switch back.

Does the test lamp light?

--

Go to Step 5

Go to Step 3

5
  1. Using a test lamp, backprobe the right seat recline motor connector from cavity A (DK BLU) to ground.
  2. Move the recline switch forward.

Does the test lamp light?

--

Go to Step 6

Go to Step 8

6
  1. Using a test lamp, backprobe the right seat recline motor connector from cavity B (DK GRN) to ground.
  2. Move the recline switch back.

Does the test lamp light?

--

Go to Step 7

Go to Step 9

7

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

Is the repair complete?

--

Go to Power Seats System Check

--

8

Repair the open in CKT 77 (DK BLU) between the right seat switch and the right seat recline motor. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Seats System Check

--

9

Repair the open in CKT 76 (DK GRN) between the right seat switch and the right seat recline motor. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Seats System Check

--