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When I connect 1st led solid red 4th one blinking green I’m going to take it to a local ktuner vender he’s going to over look everything on the ecu and then from there ima have an expert look over my wiring

Is there anyway I could test the ecu ?

Another question just watched Vtec Academy on youtube about the conversion harness wiring my question is I’m running a 02-04 rsx type s engine harness 96-98 sparks racing conversion harness With the ktuner 02/04 to 05/06 conversion harness My question is do I have to do any switching around wires ? ...

I can’t upload or load current map on the computer I hit retry nothing I reset it to stock asoon as it’s done downloading after the key off and back on part give me 3 options again retry or set back to stock or disconnect on the ecu and this on going for the last several days

Okay so Solid red means no ECU communication what should I look for to fix this problem one day to another it did this

The LEDs on the ecu
1st one steady red meaning no power ?
2nd blank
3rd blank
4th blinking green
Main relays changed looked through all the fuses one day to another it stopped working changed the relay off the conversion harness I’m just stumped

I have 1996 Honda Civic hatchback using 02-04 rsx type s harness and the ktuner jumper harness the car was running and idling good before I changed the feed line after that I couldn’t log or upload to the computer noticed kept authenticating and disconnecting then realized the ecu was steady red on ...