A186 Passenger's seat module

Connector overview

Number	X-pin, color	Description
X279	8-pin, black	Component connector Passenger's seat module
X13533	26-pin, black	Component connector Passenger's seat module
X18179	5-pin, black	Component connector Passenger's seat module
X13537	5-pin, natural	Component connector Passenger's seat module
X13897	4-pin, green	Component connector Passenger's seat module
X13535	20-pin, black	Component connector Passenger's seat module
X13899	4-pin, blue	Component connector Passenger's seat module
X13903	4-pin, green	Component connector Passenger's seat module
X13901	4-pin, green	Component connector Passenger's seat module

Pin assignments X279

Pin	Type	Description / Signal type	Connection / Measuring notes
1		Not occupied

2	M	Ground	Ground point

3		Not occupied

4		Not occupied

5	A/E	Bus signal	CAN-bus connector

6	A/E	Bus signal	CAN-bus connector

7	E	Supply, terminal 30	Fuse distribution box

8	M	Ground	Ground point

Pin assignments X13533

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, fan motor	Fan motor, seat cushion

2	A	Positive supply, fan motor	Fan motor, seat cushion

3	M	Ground, fan motor	Fan motor, seat cushion

4	M	Lumbar support, active seat pump, changeover signal	Lumbar support-active seat drive unit, front passenger

5	M	Valve block for lumbar support, negative	Valve block, passenger's lumbar support

6		Not occupied

7		Not occupied

8		Not occupied

9		Not occupied

10		Not occupied

11	E	Signal, pressure sensor	Front passenger's active seat

12		Not occupied

13		Not occupied

14	A	Signal, fan motor	Fan motor, backrest

15	A	Positive supply, fan motor	Fan motor, backrest

16	M	Ground, fan motor	Fan motor, backrest

17	A	Signal, valve 3	Valve block, passenger's lumbar support

18	A	Signal, valve 4	Valve block, passenger's lumbar support

19	A	Signal, valve 1	Valve block, passenger's lumbar support

20	A	Signal, valve 2	Valve block, passenger's lumbar support

21	A	Lumbar support, active seat pump, positive	Lumbar support-active seat drive unit, front passenger

22		Not occupied

23	M	Ground Front passenger's active seat	Front passenger's active seat

24	A	Lumbar support, active seat pump, changeover signal	Lumbar support-active seat drive unit, front passenger

25	A	Cam motor, positive	Front passenger's active seat

26	E	Cam sensor signal	Front passenger's active seat

Pin assignments X18179

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, rapid heating area	Passenger's seat cushion heating

2	E	Signal, heating area sensor	Passenger's seat cushion heating

3	E	Signal, heating area sensor	Passenger's seat cushion heating

4	A	Signal, rapid heating area	Passenger's seat cushion heating

5	A	Signal, remaining heating area	Passenger's seat cushion heating

Pin assignments X13537

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, rapid heating area	Passenger's seat backrest heating

2	E	Signal, heating area sensor	Passenger's seat backrest heating

3	E	Signal, heating area sensor	Passenger's seat backrest heating

4	A	Signal, rapid heating area	Passenger's seat backrest heating

5	A	Signal, remaining heating area	Passenger's seat backrest heating

Pin assignments X13897

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, motor, seat depth adjustment	Motor, passenger's seat depth adjustment

2	E	Hall sensor signal, seat depth adjustment	Motor, passenger's seat depth adjustment

3	A	Signal, motor, seat depth adjustment	Motor, passenger's seat depth adjustment

4	E	Hall sensor signal, seat depth adjustment	Motor, passenger's seat depth adjustment

Pin assignments X13535

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, motor, seat backrest adjustment	Motor, passenger's backrest angle adjustment

2	E	Hall sensor signal, seat backrest adjustment	Motor, passenger's backrest angle adjustment

3	E	Hall sensor signal, seat backrest adjustment	Motor, passenger's backrest angle adjustment

4	E	Hall sensor signal, backrest head adjustment	Motor, backrest head adjustment, passenger's seat

5	E	Hall sensor signal, backrest head adjustment	Motor, backrest head adjustment, passenger's seat

6		Not occupied

7		Not occupied

8	E	Hall sensor signal, head restraint adjustment	Motor, passenger's head restraint adjustment

9	E	Hall sensor signal, head restraint adjustment	Motor, passenger's head restraint adjustment

10	E	Hall sensor signal, backrest width adjustment	Motor, backrest width adjustment, passenger's seat

11	E	Hall sensor signal, backrest width adjustment	Motor, backrest width adjustment, passenger's seat

12	A	Signal Motor, backrest width adjustment, passenger's seat	Motor, backrest width adjustment, passenger's seat

13	A	Signal, motor, seat backrest adjustment	Motor, passenger's backrest angle adjustment

14	A	Signal, motor, backrest head adjustment	Motor, backrest head adjustment, passenger's seat

15	A	Signal, motor, backrest head adjustment	Motor, backrest head adjustment, passenger's seat

16		Not occupied

17		Not occupied

18	A	Signal, motor, head restraint adjustment	Motor, passenger's head restraint adjustment

19	A	Signal, motor, head restraint adjustment	Motor, passenger's head restraint adjustment

20	A	Signal Motor, backrest width adjustment, passenger's seat	Motor, backrest width adjustment, passenger's seat

Pin assignments X13899

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, motor, seat tilt adjustment	Motor, passenger's seat tilt adjustment

2	E	Hall sensor signal, seat angle adjustment	Motor, passenger's seat tilt adjustment

3	A	Signal, motor, seat tilt adjustment	Motor, passenger's seat tilt adjustment

4	E	Hall sensor signal, seat angle adjustment	Motor, passenger's seat tilt adjustment

Pin assignments X13903

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, motor, seat forward/backward adjustment	Motor, passenger's seat forward/backward adjustment

2	E	Hall sensor signal, seat forward/backward adjustment	Motor, passenger's seat forward/backward adjustment

3	A	Signal, motor, seat forward/backward adjustment	Motor, passenger's seat forward/backward adjustment

4	E	Hall sensor signal, seat forward/backward adjustment	Motor, passenger's seat forward/backward adjustment

Pin assignments X13901

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal Motor, passenger's seat height adjustment	Motor, passenger's seat height adjustment

2	E	Hall sensor signal, seat height adjustment	Motor, passenger's seat height adjustment

3	A	Signal Motor, passenger's seat height adjustment	Motor, passenger's seat height adjustment

4	E	Hall sensor signal, seat height adjustment	Motor, passenger's seat height adjustment