Thread: RoverGauge for 14CUX ECU

In addition to the first post, I found that this software also allows you to manually control the IAC valve. Very useful for testing whether it is functioning properly. I've also posted a quick YouTube video showing it working.
[ame=http://www.youtube.com/watch?v=CiriUSoD1go]Testing Rover V8 IAC valve stepper with RoverGauge - YouTube[/ame]

This is very cool. Thanks for sharing.

I'm going to try it out myself.

Was it difficult to build the cable?

How did you connect it to diagnostic plug?

No, not too difficult. I got the cable with the header on it, then used a four core phone wire to solder to the diag connector, then to a pin strip that plugs into the USB cable. I did this as a temporary thing until I decide on the best way to permanently wire it. Here are some pics:


Note the thinner wires (black, blue and red) from the phone cable. I just soldered them onto the existing crimp connectors.


The wires from the USB that are needed are the black, orange and yellow.

Excellent, You have just given me something else to do. Thanks

Well I finally got round to making a cable up and testing this out...

Been over my installation three times and just can't get this to work.

As soon as i attempt to connect to the ECU I hear a relay click twice, before the second click the engine has died and communication is lost (although still connected preventing the vehicle from starting until disconnected)

Not sure where I have gone wrong?


Cheers
Grimace

Also tested on another vehicle and while that vehicle continued to run it did not connect correctly, switching the red and green communication light and could not give any data or read fault codes...

I did utilise a 390ohm resistor instead of the 400ohm, but I read others had done this with success. Guess first thing to do is get a 400ohm resistor and then make another cable! grrr

Well I figured it out, woke up wondering if it was a software error and just mow got it working.

Somehow I had not programed the FTDI to remain RXD inverted. Argh why did I not think to double check that yesterday?

Think my little error may have damaged the wifi on the laptop as the networked did drop out after I connected to the second vehicle, now it seems I can no longer connect to wireless, lol.

No worries thou it workin for everything else.

Guess I just want to point out that I had to specifically program the FTDI cable from the FTDI software. Not sure if that's a step that I invented or if it was just obvious to most?

Anyways thanks again, now to get back to sleep!!!

Glad to hear you got it working Grimace. I never had to use the software as I use Linux and the instructions differ slightly. I can't imagine why it would affect your wireless though, the two shouldn't be related at all.

You also have to remember to remove the loopback on the connector that comes out of the vehicle. Apparently this simply grounds the line to limit interference, but I can't say I've noticed any difference with leaving it off.