Диагностические Интерфейсы автомобилей  > BMW pinouts
used in all BMW models in 1988-2000's
Pin Signal Description
1 Engine rotation speed  TD
2 OBD-II diagnostic  
7 Oil service and Inspection reset  
11 External starter turn on  
14 Battery power  
15 ISO 9141-2 L Line  RXD- Diagnostic Data link
16 Ignition +12V  
17 ISO 9141-2 K Line  n/c?
18 PGSP Programming line
19 GND  
20 ISO 9141-2 K Line  TXD - Diagnostic data link

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 car OBD2 proprietary of BMW OBD II  vehicle old diagnostic connector схематический вид разъема
Разъем 20 pin car OBD2 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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