A:Here is the tutorial with component identification for UCH N1 / N2 / N3 based on repair experience with these units.
Symptoms
internal electronic fault. Also dead immo light (never lights), cranks, no start
or interior light always on ( in dashboard door open signal always on)
or immo light not flash (not at all) on dashboard and the car not crank at all.

Some procedures:
1 – Check for all marqued diodes (cold joints, burned diodes, etc)
these are simple 2A SMD diodes like 1N400x series but rated at 2 amps
2 – Check for solders on the 40 pin black connector (reverse side)
3 – Check marked power supply capacitor as well its diode and 5V regulator IC (TLE4269)
4 – Very important resolder each Array IC ULN2003 ( can be other reference)
5 – Very Very important Resolder MCU / CPU with hot air or a very small iron tip with flux. Remind you this is a dangerous step as pins could solder each other! Use a magnify tool to check and re-check!
6 – Search for other cold joint over the main board
PS – We’ve repaired dozens of these units without replacing one relay. they appear to be very solid and reliable. They use a very new design since 2006. Latest UCH units are very reliable. you identify them as they are sprayed with varnish. New UCH units Clio 3 and Clio 4 don’t suffer this problem. But a simple resolder on these will solve many many problems.
Some people remove also 40 pin connector (not recommended for those that don’t have knowledge of microsolder) and resolding all smd resistance and condensers. They are behind this connector.
To remove it you can use big hotgun, but you need practice. Cheers.
UCH Renault
Renault Uch Fuse And Relays 1Renault Uch Fuse And Relays 2Renault Uch Fuse And Relays 3Renault Uch Fuse And Relays 4Renault Uch Fuse And Relays 5Renault Uch Fuse And Relays 6
Hope it helps. You are at your risk.
Renault diagnostic scanners:
Renault can clip

A:The Carista and the VXDiag VCX NANO Toyota (Techstream) are the cheapest scanners for Toyota including TPMS reset.
For anyone else pondering which equipment to get:
Carista: cheap, quick to get, effective for TPMS and other MIL-triggering diagnostics, on Toyotas and other vehicles. No ability to get real-time TPMS data. part of the functionality is free and part of it is paid. When you “purchase” the program, you purchase a year, with monthly charges automatically applied. They give you the first month for free.
Carista only does basic OBDII readouts for older vehicles (like 2002 Toyota/Lexus models).
Carista will not work on lexus SC. But it works well on LS series. Carista for 10-19 models won’t do TPMS settings.
No EV or HV miles driven, no total kWh charged, no emissions data/calculations (Toyota Europe), no daily/monthly EV and HV data (Prius Prime) available in Carista Beta app (till now).
Techstream with VCX Nano: looks more robust. can be finicky to set up, but once it is, incredibly powerful tool that goes way beyond TPMS functionality. Note the Mini VCI will not do live engine/transmission data nor program TPMS IDs, though it generally can read and reset MILs.
You are able to do customary seat belt alarm turn off, TSB update, and have cleared ECU/TCU memory (vehicle will need to learn trims/transmission learning again, takes some driving) with techstream. There are logging capabilities, DTC reading and clearing, PIDS to monitor.
Autel: convenient but not at all versatile. You’ll need to spend more money on other tools to do basic diagnostics.

Summary:
Tech stream is probably better if you want to get into serious levels of servicing.
but for just basic customizing might be better with carista.
its cheaper and easier to use.

A:
They all use CLIP software. CAN CLIP uses cracked software while vcx nano uses original CLIP software & Bosch driver. VCX NANO uses the newer CLIP V219 version and the Renault clip is older. All updated by link.
The major difference will be the activation procedure.
Renault CAN Clip uses a patch to crack the CLIP software, However, vcx nano Renault uses register keygen to generate an activation key,