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14 pin Nissan consult ECU diagnostic connector layout
14 pin Nissan consult ECU diagnostic connector
for all 1989-2000 Nissan models. Sometimes accompanied with OBD-2 connector (e.g. Nissan Pathfinder)


Description (may be empty)
1 RX (TX?)  Data in
2 TX (RX?)  Data out
4 ABS  ABS diagnostic
6 CHK  Check to ECCS
7 +12v  Power
8 GND  Ground
9 CLK  Synchronization signal

1994 Nissan Quest  have  no connection on pin 6

According to 8 reports in our database (7 positive and 0 negative) the Nissan 14 pin diagnostic interface pinout should be correct.

Is this pinout
Nissan 14 pin diagnostic interface visual pinout:click to enlarge
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