3.10.0
CHECKING ROTARY SENSOR
Function:
The seat height will be identified by the rotary sensor at the scissors of the seat.
The rotary sensor need a 5V supply voltage from the electronic unit and release a voltage signal
between 0,25V and 4,75V depending on the seat hight.
Pin 1 Ground BN/WH
Pin 2 Supply RD/YE
Pin 3 Signal YE/BK
Electric connection
Checking supply voltage
Ignition switched on, rotary switch connected
Pin 2 RD/YE
Pin 3 YE/BK
U
P
i
n
3
P
i
n
2
Alternative at the electronic unit:
Pin 9 RD/YE
Pin 12 YE/BK
Reference: 0,25V to 4,75V
Checking signal (rotary sensor mounted)
Ignition switched on, rotation sensor connected
Pin 3 YE/BK
Pin 1 BN/WH
U
P
i
n
3
P
i
n
1
Alternative at the electronic unit:
Pin 12 YE/BK
Pin 6 BN/WH
* option, only switches with 7 steps
Reference: 5V+/-5%
30 mm
56 mm
73 mm
95 mm
110 mm
123 mm
138 mm
155 mm
160 mm
Level 6/7* Level 5
Level 1
Level rotary switch
Buffer below
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6*
Level 7*
Buffer at the top
Signal
0,70V +/-5%
1,35V +/-5%
1,73V +/-5%
2,12V +/-5%
2,50V +/-5%
2,90V +/-5%
3,29V +/-5%
3,71V +/-5%
3,91V +/-5%
seat height
Seat height
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