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Well I can check the wires one more time. I have replaced the VSS sensor (a few weeks ago) with no change. The Speedo works great. It knows my speed, it doesn’t bounce around etc. I have also tried burning a new chip for the ECU that takes away the speed requirement. But hey, apparently I...

Vtec works like a charm when I attach a wire to the solenoid and cross it with +12v while driving. so it looks like the problem is with Vtec requirements Does anyone know how to better debug the sensor problems? My data logging indicates that the temperature is in the proper levels. So how to...

well I just tried burning a new chip the new chip has no speed requirement for VTec and it still doesnt work. I will try hooking Vtec up to the horn today. :-)

I will check the lost motion assembly (after I figure out what it is, google here I come) I have tried an entirely different solenoid with the same problem, but I will try cleaning the new one. I will try hooking a wire to the solenoid and passing it inthrough the passenger window. Then I can...

Double checked the wiring with a multi-meter (no problems) Tried a new ECU (another UNModded P72), Still doesn’t work. Is there a way to test the sensor for oil pressure, maybe it’s broken so the ECU thinks there is not enough oil. If that sensor is broken would it trip a CEL?

Uberdata has the temperature at around 180 degrees When I am hard on the car it seems to peak at about 195 degrees. I rechecked the oil and topped it up again, It didn’t help. Uberdata never registers the MPH from the P72 ECU, does anyone out there use Uberdata with a P72? Does the MPH...

Tested the solenoid. It clicks when I apply +12Volts What temperature does the engine need to reach for Vtec to engage? I will hook up my other ECU with data logging to get the engine temp, I just need to know what normal values are. knock sensor is wired. The Vtec did work before, I...

Oil level/pressure. MPH. Engine Temperature. Do you have any other CELs on? nope, just no vtec.

Put a B18C into a 96 Civic hatch. Vtec worked for about a week and since then I have had nothing I have been searching this site for about an hour trying to find someone with a similar problem but have not been able to find anything. I know the wiring is good to the solenoid and oil pressure...

Well that didnt work. when I use the multimeter it shows no voltage on pin C and ground. Then I tried other combinations. If this thing wasn't blown before I bet its blown now. I also made a circuit that does the same thing. It does measure 4.8 Volts output, I hooked that up to pin 16 on...

Plug Side __|-----|__ | A B C | ------------- A ) Ignition 12 volt B ) Ground C ) Pin 16 on Connector D of ECU. This is what I got from someone on the newsgroups. I will try this one tonight. ( I just posted this because it may help others)

I need the pinout first. Which pin on the ELD is positive, ground and signal.

Been searching this for a while now heres what I know. There are 3 wires that come into the ELD BLK/YEL(12 volt +) BLK(battery ground-) terminals GRN/RED(Output 5 Volt) Seems the output should go to pin 16 on connector D on the ECU and the other wires will directly connect ground and to fuse...

I started with a canadian Honda Civic CX and swaped in a B18C1, But I always throw code 20. I have heard that canadian civics have no Electronic Load Detector in the fusebox. now I know its true, Picture of my fusebox. Now I bought a new fusebox on Ebay with an ELD. Picture of new fusebox...

I just replaced the IAT yesterday... same problem with old and new IAT.

Great... I will buy that. Do you know if the wires and plugs are present on the Canadian version... or Do I need the plug and new wire to the ECU?

Sweet.. I will try changing the idle screw.

I have a JDM ECU and a USDM ECU. Both throw the same code. I am assuming that the USDM and JDM ELD are the same. Does anyone know if I can just replace the ELD with a jumper or a resistor?

I live in canada... car was made in canada..... does the ELD code stop your Vtec from working? Well I flashed a new chip with uberdata and unchecked the ELD box. Still throws the code... whats the point of the ELD box if it doesnt stop the code from being thrown....

well every fuse is good.. including all of the fuses under the hood. Wiring harness looks ok. Do you know if any fusebox will work. Do only Honda Civic fuse panels drop into place.