GM Service Manual Online
For 1990-2009 cars only
Table 1: Memory Seat Module - Driver - X1
Table 2: Memory Seat Module - Driver - X2
Table 3: Memory Seat Module - Driver - X3
Table 4: Memory Seat Module - Driver - X4
Table 5: Seat Adjuster Switch - Driver (AH6/AJ6)
Table 6: Seat Adjuster Switch - Driver (AH6/AJ6)
Table 7: Seat Adjuster Switch - Passenger (AH7/AH8)
Table 8: Seat Front Vertical Motor - Driver (AG1)
Table 9: Seat Front Vertical Motor - Driver (AG3)
Table 10: Seat Front Vertical Motor - Passenger (AG1)
Table 11: Seat Horizontal Motor - Driver (AG3)
Table 12: Seat Horizontal Motor - Driver (AG1)
Table 13: Seat Horizontal Motor - Passenger (AG1)
Table 14: Seat Interface Module (Except AH6/AJ6)
Table 15: Seat Lumbar Motor - Driver (AG3) X1
Table 16: Seat Lumbar Pot X2
Table 17: Seat Rear Vertical Motor - Driver (AG3)
Table 18: Seat Rear Vertical Motor - Driver (AG1)
Table 19: Seat Rear Vertical Motor - Passenger (AG1)
Table 20: Seat Recline Motor - Driver (AG1)
Table 21: Seat Recline Motor - Driver (AG3)
Table 22: Seat Recline Motor - Passenger (AG1)

Memory Seat Module - Driver - X1


Object Number: 1989612  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

--

--

Not Used

X1-2

GY/RD

0.85

Driver Seat Horizontal Motor Forward Control

X1-3

BU

0.85

Driver Seat Rear Vertical Motor Down Control

X1-4

GN/YE

0.85

Driver Seat Rear Vertical Motor Up Control

X1-5

RD/BK

1.25

Seat Module Supply Voltage

X1-6

--

--

Not Used

X1-7

BN

0.85

Driver Seat Front Vertical Motor Up Control

X1-8

BU/RD

0.85

Driver Seat Front Vertical Motor Down Control

X1-9

GY

0.85

Driver Seat Horizontal Motor Rearward Control

X1-10

BK/OG

0.5

Ground

X1-11

BK

1.25

Ground

X1-12

BU/GN

0.3

Driver/Passenger Power Seat Select Switch Signal

Memory Seat Module - Driver - X2


Object Number: 1989589  Size: CH

Connector Part Information

40 Series Multi-Lock

Pin

Wire Colour

Wire Size

Function

X2-1

GN/BN

0.3

Driver Seat Recline Motor Position Sensor Signal

X2-2

--

--

Not Used

X2-3

--

--

Not Used

X2-4

--

--

Not Used

X2-5

--

--

Not Used

X2-6

YE

0.85

Recline Forward Switch Signal

X2-7

--

--

Not Used

X2-8

--

--

Not Used

X2-9

--

--

Not Used

X2-10

--

--

Not Used

X2-11

PU/GN

0.85

Recline Rearward Switch Signal

X2-12

GN/RD

0.85

Driver Seat Lumbar Down Switch Signal

Memory Seat Module - Driver - X3


Object Number: 1989592  Size: CH

Connector Part Information

.040 Plug Hybrid MK-11 Series

Pin

Wire Colour

Wire Size

Function

X3-1

RD/OG

0.5

Memory Mirror Voltage

X3-2

BN/WH

0.3

Power Seat Recline Rearward Switch Signal

X3-3

TN

0.3

Power Seat Horizontal Rearward Switch Signal

X3-4

GN/BU

0.3

Power Seat Horizontal Forward Switch Signal

X3-5

BK/BU

0.3

Power Seat Front Vertical Up Switch Signal

X3-6

OG/BN

0.3

Driver Seat Lumbar Rearward Switch Signal

X3-7

RD/WH

0.3

Power Seat Front Vertical Down Switch Signal

X3-8

GN/PK

0.3

Memory 2 Switch Control Signal

X3-9

TN/BK

0.3

Memory 1 Switch Control Signal

X3-10

PK/BU

0.3

MOD_WK

X3-11

D-BU/WH

0.3

Mirror Control Signal

X3-12

BU/BK

0.3

Driver Seat Lumbar Forward Switch Signal

X3-13

YE/BU

0.3

Power Seat Rear Vertical Down Switch Signal

X3-14

BN/RD

0.3

Power Seat Recline Forward Switch Signal

X3-15

--

--

Not Used

X3-16

PK

0.3

Power Seat Rear Vertical Up Switch Signal

X3-17

--

--

Not Used

X3-18

WH/RD

0.3

Right Front Adaptive Seat Switch / Mirror Dip Control Signal

X3-19

YE/RD

0.3

Memory 3 Switch Control Signal

X3-20

PU/WH

0.3

UART Serial Data

Memory Seat Module - Driver - X4


Object Number: 1989594  Size: CH

Connector Part Information

040 Multilock Series

Pin

Wire Colour

Wire Size

Function

X4-1

--

--

Not Used

X4-2

--

--

Not Used

X4-3

--

--

Not Used

X4-4

--

--

Not Used

X4-5

WH/GY

0.3

Horizontal Seat Motor Position Sensor Signal

X4-6

--

--

Not Used

X4-7

GN/PU

0.3

Rear Vertical Seat Motor Position Sensor Voltage Reference

X4-8

GN/WH

0.3

Front Vertical Seat Motor Position Sensor Voltage Reference

X4-9

RD/GN

0.3

Rear Vertical Seat Motor Position Sensor Signal

X4-10

BN/BU

0.3

Front Vertical Seat Motor Position Sensor Signal

X4-11

--

--

Not Used

X4-12

--

--

Not Used

X4-13

--

--

Not Used

X4-14

--

--

Not Used

X4-15

--

--

Not Used

X4-16

BK/GY

0.5

Memory Mirror Ground

Seat Adjuster Switch - Driver (AH6/AJ6)


Object Number: 1989597  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

OG

2.0

Battery Positive Voltage

X1-2

BK

2.0

Ground

X1-3

D-GN

2.0

Driver Seat Front Vertical Motor Up Control

X1-4

D-BU

2.0

Driver Seat Front Vertical Motor Down Control

X1-5

YE

2.0

Driver Seat Rear Vertical Motor Up Control

X1-6

L-BU

2.0

Driver Seat Rear Vertical Motor Down Control

X1-7

TN

2.0

Driver Seat Horizontal Motor Forward Control

X1-8

L-GN

2.0

Driver Seat Horizontal Motor Rearward Control

X1-9

L-GN

2.0

Driver Seat Recline Motor Forward Control

X1-10

L-BU

2.0

Driver Seat Recline Motor Rearward Control


Seat Adjuster Switch - Driver (AH6/AJ6)


Object Number: 1989597  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

--

--

Not Used

X1-2

BN/RD

0.3

Driver Seat Recline Motor Forward Control

X1-3

TN

0.3

Driver Seat Horizontal Motor Rearward Control

X1-4

BN/WH

0.3

Driver Seat Recline Motor Rearward Control

X1-5

BN/GN

0.3

Reference Voltage

X1-6

GN/BU

0.3

Driver Seat Horizontal Motor Forward Control

X1-7

RD/WH

0.3

Driver Seat Front Vertical Motor Down Control

X1-8

YE/BU

0.3

Driver Seat Rear Vertical Motor Down Control

X1-9

PK

0.3

Driver Seat Rear Vertical Motor Up Control

X1-10

BK/BU

0.3

Driver Seat Front Vertical Motor Up Control

Seat Adjuster Switch - Passenger (AH7/AH8)


Object Number: 1989599  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

OG

2.0

Battery Positive Voltage

X1-2

BK

2.0

Ground

X1-3

D-GN

2.0

Passenger Seat Front Vertical Motor Up Control

X1-4

D-BU

2.0

Passenger Seat Front Vertical Motor Down Control

X1-5

YE

2.0

Passenger Seat Rear Vertical Motor Up Control

X1-6

L-BU

2.0

Passenger Seat Rear Vertical Motor Down Control

X1-7

TN

2.0

Passenger Seat Horizontal Motor Forward Control

X1-8

L-GN

2.0

Passenger Seat Horizontal Motor Rearward Control

X1-9

D-GN

2.0

Passenger Seat Recline Motor Forward

X1-10

D-BU

2.0

Passenger Seat Recline Motor Rearward

Seat Front Vertical Motor - Driver (AG1)


Object Number: 1989601  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1

D-GN

2.0

Driver Seat Front Vertical Motor Up Control

X2

D-BU

2.0

Driver Seat Front Vertical Motor Down Control

Seat Front Vertical Motor - Driver (AG3)


Object Number: 1989604  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

1

BU/RD

0.85

Driver Seat Front Vertical Motor Down Control

2

BK/OG

0.3

Ground

3

BN/BU

0.3

Front Vertical Seat Motor Position Sensor Signal

4

GN/WH

0.3

Battery Positive Voltage

5

BN

0.85

Driver Seat Front Vertical Motor Up Control

Seat Front Vertical Motor - Passenger (AG1)


Object Number: 1989601  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

D-GN

2.0

Passenger Seat Front Vertical Motor Up Control

X1-2

D-BU

2.0

Passenger Seat Front Vertical Motor Down Control

Seat Horizontal Motor - Driver (AG3)


Object Number: 1989606  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

1

GY

0.85

Driver Seat Horizontal Motor Rearward Control

2

GY/RD

0.85

Driver Seat Horizontal Motor Forward Control

3

BK/OG

0.3

Ground

4

WH/GY

0.3

Horizontal Seat Motor Position Sensor Signal

Seat Horizontal Motor - Driver (AG1)


Object Number: 1989608  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1

TN

2.0

Driver Seat Horizontal Motor Forward Control

X2

L-GN

2.0

Driver Seat Horizontal Motor Rearward Control

Seat Horizontal Motor - Passenger (AG1)


Object Number: 1989608  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

TN

2.0

Passenger Seat Horizontal Motor Forward Control

X1-2

L-GN

2.0

Passenger Seat Horizontal Motor Rearward Control

Seat Interface Module (Except AH6/AJ6)


Object Number: 1989358  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

1

RD/BK

1.25

Seat Module Supply Voltage

2

BU/WH

0.3

5-Volt Reference

3

RD

2.0

Battery Positive Voltage

4

WH/BK

0.3

Right Front Adaptive Seat Switch / Mirror Dip Signal

5

PU

0.3

Memory 1 Switch Signal

6

--

--

Not Used

7

YE/WH

0.3

Memory 2 Switch Signal

8

--

--

Not Used

9

BU/OG

0.3

Memory 3 Switch Signal

10

--

--

Not Used

11

--

--

Not Used

12

BK/OG

0.5

Ground

13

PK/BU

0.3

MOD_WK

14

--

--

Not Used

15

OG/BK

0.3

UART Serial Data

16

--

--

Not Used

17

--

--

Not Used

18

WH/RD

0.3

Right Front Adaptive Seat Switch / Mirror Dip Control Signal

19

TN/BK

0.3

Memory 1 Switch Control Signal

20

GN/PK

0.3

Memory 2 Switch Control Signal

21

YE/RD

0.3

Memory 3 Switch Control Signal

22

--

--

Not Used

23

--

--

Not Used

24

--

--

Not Used

25

L-GN/BK

0.3

Low Speed GMLAN Serial Data

26

--

--

Not Used

Seat Lumbar Motor - Driver (AG3) X1


Object Number: 1989362  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

GN/RD

0.85

Driver Seat Lumbar Motor Down Control

X1-2

RD/YE

0.3

Driver Seat Lumber Horizontal Position Sensor Signal

Seat Lumbar Pot X2


Object Number: 1989365  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X2-1

PU/BU

0.3

Driver Seat Lumbar Vertical Position Sensor Signal

X2-2

BU/YE

0.85

Driver Seat Lumbar Motor Up Control

Seat Rear Vertical Motor - Driver (AG3)


Object Number: 1989369  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

1

BU

0.85

Driver Seat Rear Vertical Motor Down Control

2

BK/OG

0.3

Ground

3

RD/GN

0.3

Rear Vertical Seat Motor Position Sensor Signal

4

GN/PU

0.3

Battery Positive Voltage

5

GN/YE

0.85

Driver Seat Rear Vertical Motor UP Control

Seat Rear Vertical Motor - Driver (AG1)


Object Number: 1989601  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1

YE

2.0

Driver Seat Rear Vertical Motor Up Control

X2

L-BU

2.0

Driver Seat Rear Vertical Motor Down Control

Seat Rear Vertical Motor - Passenger (AG1)


Object Number: 1989601  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

YE

2.0

Passenger Seat Rear Vertical Motor Up Control

X1-2

L-BU

2.0

Passenger Seat Rear Vertical Motor Down Control

Seat Recline Motor - Driver (AG1)


Object Number: 1989601  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1

L-GN

2.0

Driver Seat Recline Motor Forward Control

X2

L-BU

2.0

Driver Seat Recline Motor Rearward Control

Seat Recline Motor - Driver (AG3)


Object Number: 1989372  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

1

YE

0.85

Driver Seat Recline Motor Forward Control

2

BK/OG

0.3

Ground

3

--

--

Not Used

4

GN/BN

0.3

Driver Seat Recline Motor Position Sensor Signal

5

PU/GN

0.85

Driver Seat Recline Motor Rearward Control

Seat Recline Motor - Passenger (AG1)


Object Number: 1989601  Size: CH

Connector Part Information

 

Pin

Wire Colour

Wire Size

Function

X1-1

D-GN

2.0

Passenger Seat Recline Motor Forward

X1-2

D-BU

2.0

Passenger Seat Recline Motor Rearward