Sevcon Controller Access & Configuration - OVMS User Manual

OVMS: Renault Twizy User Guide
SEVCON controller access & configuration
Warning!
USING THIS CAN VOID YOUR RENAULT WARRANTY!
USING THIS CAN BREAK YOUR TWIZY!
USING THIS CAN MAKE YOUR TWIZY ILLEGAL FOR PUBLIC ROADS!
HIGHLY EXPERIMENTAL FEATURE!
Legal disclaimer: by using the OVMS you agree to do so completely on your own risk. Being a
hobbyist project, the OVMS has no means to test configuration changes on multiple vehicles
or performance situations. A change that seems usable on one Twizy can completely break
another one. All configuration changes can lead to losing your public roads allowance.
Ok, you've been warned.
Please note: all values mentioned in this document refer to the Twizy 80 if not explicitly named. The
Twizy 45 has other limits, see spreadsheet "Twizy-Limits".
Attention: SEVCON controller tuning has been disabled by Renault on new Twizy
manufactured after June 30, 2016. If you get error code
you're most probably out of luck. To verify if a Twizy is tunable, do a...
CFG READS 1008 0
If this results in...
Gen4 (Renault Twizy)Thu Jun 30 18:21:36
...the Twizy cannot be tuned using the OVMS or other currently available tools.
Motor
The Twizy motor is a Letrika Iskra AMV7118 AC induction motor:
0x08000000
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2019/05/02 RT3.9.1
on all tuning attempts,