RS232 Cable Instructions

 

Solder the white 4 pin header into spots 1-4 on your ECU in the spot labeled CN2. The cable is already pinned correctly but here is the pinout.

 

This is how you connect the cable to your ECU. It is pinned correctly as is.

 

Serial Adapter

ECU SIDE

RS232 TTL

CN2 plug

 

 

          Brown = Ground 

GND

PIN 1 (GND)

          Yellow = Receive

RX

PIN 2 (TX)

          Red = +5 volts 

+5V

PIN 3 (+5v)

          Orange = Transmit

TX

PIN 4 (RX)

                |  

PIN 5 NOT USED

 

Nick of ECUControl has a good write-up as well. Please refer to it if you need further assistance.

 

http://ecucontrol.com/how_to_mod_my_ecu.htm