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For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Seville - RHD 🢒 Body and Accessories 🢒 Seats 🢒 Power Seat Inoperative

Power Seat Inoperative A45 With AL2

Step

Action

Value(s)

Yes

No

1

Was the entire Memory Seats System Check performed?

--

Go to Step 2

Go to Memory Seats System Check

2

Check the rear junction block PWR SEAT circuit breaker for continuity.

Is the PWR SEAT circuit breaker OK?

--

Go to Step 3

Go to Step 4

3

Check the rear junction block MEM T&T Fuse for an open.

Is the MEM T&T Fuse OK?

--

Go to Step 8

Go to Step 6

4

Repair the short to ground in CKT 3740 (ORN). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Step 5

--

5

Replace the PWR SEAT circuit breaker in the rear junction block. Refer to Wiring Repairs in Wiring Systems.

Is the PWR SEAT circuit breaker replacement complete?

--

Go to Memory Seats System Check

--

6

Repair the short to ground in CKT 2840 (ORN). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Step 7

--

7

Replace the MEM T&T Fuse in the rear junction block. Refer to Wiring Repairs in Wiring Systems.

Is the MEM T&T Fuse replacement complete?

--

Go to Memory Seats System Check

--

8
  1. Disconnect the memory seat module (MSM) connector C1.
  2. Connect a DMM from the MSM connector C1 cavity A (ORN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 9

Go to Step 15

9

Connect a DMM between the MSM connector C1 cavities A (ORN) and B (BLK).

Is the voltage within the specified range?

10-15 V

Go to Step 10

Go to Step 16

10
  1. Disconnect the memory seat module (MSM) connector C2.
  2. Connect a DMM from the MSM connector C2 cavity D11 (ORN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 11

Go to Step 17

11
  1. Disconnect the RH seat switch connector.
  2. Connect a DMM from the RH seat switch cavity P (ORN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 12

Go to Step 18

12

Does the RH seat move when a memory recall or easy exit function is performed?

--

Go to Step 13

Go to Step 14

13

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

Is the RH seat switch replacement complete?

--

Go to Memory Seats System Check

--

14

Replace the memory seat module (MSM). Refer to Memory Seat Control Module Replacement .

Is the MSM replacement complete?

--

Go to Memory Seats System Check

--

15

Repair the open in CKT 3740 (ORN) between the rear junction block and the MSM. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Memory Seats System Check

--

16

Repair the open in CKT 650 (BLK) between S315 and the MSM. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Memory Seats System Check

--

17

Repair the open in CKT 2840 (ORN) between S326 and the MSM. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Memory Seats System Check

--

18

Repair the open in CKT 2840 (ORN) between S326 and the RH seat switch. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Memory Seats System Check

--

Power Seat Inoperative A45 With AC9

Step

Action

Value(s)

Yes

No

1

Was the entire Memory Seats System Check performed?

--

Go to Step 2

Go to Memory Seats System Check

2

Check the rear junction block PWR SEAT circuit breaker for continuity.

Is the PWR SEAT circuit breaker OK?

--

Go to Step 3

Go to Step 4

3

Check the rear junction block MEM T&T Fuse for an open.

Is the MEM T&T Fuse OK?

--

Go to Step 8

Go to Step 6

4

Repair the short to ground in CKT 3740 (ORN). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Step 5

--

5

Replace the PWR SEAT circuit breaker in the rear junction block. Refer to Wiring Repairs in Wiring Systems.

Is the PWR SEAT circuit breaker replacement complete?

--

Go to Memory Seats System Check

--

6

Repair the short to ground in CKT 2840 (ORN). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Step 7

--

7

Replace the MEM T&T Fuse in the rear junction block. Refer to Wiring Repairs in Wiring Systems.

Is the MEM T&T Fuse replacement complete?

--

Go to Memory Seats System Check

--

8
  1. Disconnect the memory seat module (MSM) connector C1.
  2. Connect a DMM from the MSM connector C1 cavity A (ORN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 9

Go to Step 15

9

Connect a DMM between the MSM connector C1 cavities A (ORN) and B (BLK).

Is the voltage within the specified range?

10-15 V

Go to Step 10

Go to Step 16

10
  1. Disconnect the memory seat module (MSM) connector C2.
  2. Connect a DMM from the MSM connector C2 cavity D (ORN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 11

Go to Step 17

11
  1. Disconnect the RH seat switch connector.
  2. Connect a DMM from the RH seat switch cavity P (ORN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 12

Go to Step 18

12

Does the RH seat move when a memory recall or easy exit function is performed?

--

Go to Step 13

Go to Step 14

13

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

Is the RH seat switch replacement complete?

--

Go to Memory Seats System Check

--

14

Replace the memory seat module (MSM). Refer to Memory Seat Control Module Replacement .

Is the MSM replacement complete?

--

Go to Memory Seats System Check

--

15

Repair the open in CKT 3740 (ORN) between the rear junction block and the MSM. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Memory Seats System Check

--

16

Repair the open in CKT 550 (BLK) between S315 and the MSM. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Memory Seats System Check

--

17

Repair the open in CKT 2840 (ORN) between S326 and the MSM. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Memory Seats System Check

--

18

Repair the open in CKT 2840 (ORN) between S326 and the RH seat switch. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Memory Seats System Check

--