Consult wiring and compression results

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
agent4573
Posts: 68
Joined: Wed Feb 06, 2013 4:10 pm

Post

So first off, got my compression check done

1 - 140
2 - 135
3 - 140
4 - 140
5 - 145
6 - 130

Now these were done at 2400 feet, so once you take into account the pressure differences, if I did these at sea level, the results would have been:

1 - 154
2 - 148
3 - 154
4 - 154
5 - 160
6 - 142

Number 6 is still a bit low, but its not a death sentence right now. So on to my next question, consult wiring...
I have the picture that shows the consult connect and which pin is tx/rx/clock/etc, but the ecu pinouts on this site and others dont discriminate. I have two pins that say ECU diagnostic comm, and one pin that says ECU diagnostic power. So does anyone know which wire goes to which pin on the ecu?


agent4573
Posts: 68
Joined: Wed Feb 06, 2013 4:10 pm

Post

So from what I can find the pinouts are:

Power and ground are self explanatory...
Pin 31 (labelled "Diagnostic Power") is the CLK pin
Pin 21 is RX
Pin 22 is TX
Pin 47 is the diagnostic short, do I need to worry about that for a nistune cable?

Can anyone confirm?

agent4573
Posts: 68
Joined: Wed Feb 06, 2013 4:10 pm

Post

In case anyone finds this thread in the future, those were the correct pinouts. The short wire isn't required. I just connected up Nistune and downloaded the base map, so I know it works.


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