Hardware connector pinouts cables schematic wiring

BMW OBD II vehicle diagnostic connector pinout

connector or cable wiring scheme

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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
 


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Pinoutsguide.com > Cars and bikes interfaces > Pinout of OBD II BMW vehicle diagnostic connector and layout of 20 pin car OBD2 special connector
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Source(s) of this and additional information: tele-way.com
Contributor: CIPSAN
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Last updated 2009-10-27 23:02:45. Edit this page. Is this document correct or incorrect? What is your opinion?
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