Pinouts >  Cars, Bikes and Trucks Diagnostic Interfaces
9 pin deutsch truck diagnostic proprietary connector layout
9 pin deutsch truck diagnostic proprietary connector
for ELM327 scantool
 Pin Pin
Name
Description
A GROUND PIN 6 ON DB9 FEMALE
B +12V PIN 9 ON DB9 FEMALE
C J1939+ PIN 7 ON DB9 FEMALE
D J1939- PIN 2 ON DB9 FEMALE
E Shield not connected
F ATA+ not connected
G ATA- not connected
J NOT USED  
H NOT USED  

Adaptor is yet to be tested.

9 pin D-SUB female connector layout
9 pin D-SUB female connector
According to 7 reports in our database (4 positive and 2 negative) the SAE J1939 9 pin deutsch connector adapter pinout should be correct.

Is this pinout
SAE J1939 9 pin deutsch connector adapter visual pinout:click to enlarge
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