Hondata

G3-Teg & Hondata,

Thanks for all the help.
It sounds like the ECU needs to see +12v from the oil pressure switch when vtec spool activates.

Couldn't you just splice the oil pressure switch line from the ecu into the vtec solenoid signal? I think that is what Hondata is saying, only he also ...

Hi folks,
I appreciate the input, yet the answer is not so clear just yet. Playing around with my buddies 1997 US-spec GSR (p72) - this is what we found:

With the ignition on (or engine runnning), the ECU is sending a +12v signal to the oil pressure switch. This switch is closed (has continuity ...

Hi folks,
I could really use some help on this one. I am stumped.
Vehicle is a 4g civic with a 2000 JDM type-r(b18c) motor. ECU is a P28 Hondata set-up. The problem we are having is that we cannot get the Hondata ECU to send the +12v VTEC activation signal.

What we know:
- JDM motor does not have ...