OBD 2 Diagnostic Connector Pinout

OBD 2 Diagnostic Connector Pinout
 
     Unlike OBD I since 1996 all obd connectors are standardized. The location of the OBD ii socket is, in most cases , on the driver's side of the car under the steering wheel.
 
 
The obd 2 SAE J1962 connector hat the following pinout configuration:
 
1.      -
2.      Bus positive Line of SAE-J1850
3.      Ford DCL(+) Argentina, Barazil (pre OBD II) 1997-2000
4.      Chassis Ground
5.      Signal Ground
6.      CAN high (ISO 15765-4 and J2234)
7.      K line of ISO 9141-2 and ISO 14230-4
8.      -
9.      -
10.  Bus negative Line of J1850
11.  Ford DCL (-) Argentina, Brazil (pre OBD-II 1997-2000)
12.  -
13.  -
14.  CAN low (ISO 15765-4 AND j2234)
15.  L line of ISO 9141-2 and ISO 14230-4
16.  Battery voltage
 
 
 
The unspecified pins are left for car manufactures to use, and they can differ depending on the car manufacture and model.
 
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