Hardware connector pinouts cables schematic wiring

Hyundai OBD II diagnostic interface pinout

connector or cable wiring scheme

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16 pin J1962 OBD-2 car custom connector layout
16 pin J1962 OBD-2 car custom connector
at the Hyundai car

OBD 2 used in most Hyundai vehicles produced after 1996's

 

Pin Signal Description
1 K-Line Gearbox diagnostic
2 K-Line  ABS diagnostic, BUS+ Line
4 CGND Chassis ground
5 SGND Signal ground
6 CAN High J-2284, ABS/ASR diagnostic
7 K-LINE Engine and gearbox diagnostic ISO 9141-2 and ISO/DIS 14230-4
8 K-Line ABS diagnostic
9 K-Line Cruise-control diagnostic
10 BUS-Line  
12 K-Line Airbag diagnostic
14 CAN Low J-2284, VSS (vehicle speed)
15 ISO 9141-2 L-LINE (ISO 9141-2 and ISO/DIS 14230-4)
16 +12v Battery power


 

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
OBD-2 universal ISO 15765-4 CAN, SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 and SAE J1939 diagnostic cable


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