MembersPage/NanassyPeter/PinOut (2005-07-26 15:54:13)

Very important pins - if they get disconnected, the ECM will be damaged:

GND5 (power-GND)

1 .. 1.5mm2 wires recommended for all GND (and GND5) signals and ignition output(s).

0.5 .. 0.75 .. 1 mm2 wires recommended for other signals.

Flyback (injector common +supply)


RS232 - EC18 connection, as on GenBoard/Manual/CommHardware

DSUB9-pin5 Ground,but where to connect??

Connect to sensor ground, EC36-26. Other grounds have lots of noise on them from injectors and IGBT's switching on and off.


Knock - initally left open


Question:

Sensor ground:

(CLT 36/14, MAT 36/2), but what to do with the other pin?

Other pin is ground (EC36-26). Since these are resistive sensors, using either pin will work.

GND5 (power-GND) TO BATTERY NEGATIVE?

Yes, to sensors and shields for shielded wires. Also should be attached at battery ground. To cylinder head(s), then to battery ground, along with EC36-5, EC36-12,EC36-32.

TODO: please document other connections before powering up the unit

Also read through the manual. The manual will explain the wiring and other issues. After reading the manual, read it again; there is a lot of information inside.