Диагностические интерфейсы легковых автомобилей, мотоциклов и грузовиков  > BMW pinouts
used in BMW car models in 1988-2000's and some Bikes
Pin Signal Description
1 TD  Engine rotation speed
2 CAN-High CAN OBD-II diagnostic
3 CAN-Low
4 Shielding
7 Oil service and Inspection reset  
11 External starter turn on may be N/C
12 Battery indicator may be N/C
14 Battery power +12V
15 ISO 9141-2 L Line ISO 9141-2 RXD- Diagnostic Data link
16 Ignition +12V KL.15 power
17 ISO 9141-2 K Line may be n/c
18 PGSP Programming line
19 GND  
20 ISO 9141-2 K Line  TXD - Diagnostic data link

Pins 17 and 20 may be shorted in diagnostic cable.

Some OBD-II cables schemes:

OBD-2 ISO 9141-2 (14230-4, KWP2000) simple serial cable
OBD-2 J1850 PWM, J1850 VPW serial ELM327 cable
 

20 pin BMW OBD2 diagnostic proprietary of BMW OBD II  vehicle old diagnostic connector схематический вид разъема
Разъем 20 pin BMW OBD2 diagnostic proprietary
На эту распиновку есть 7 отзыв(а): 6 положительных и 1 отрицательных.

Эта распиновка
Источник(и) этой и дополнительной информации: tele-way.com
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