Üks asi veel. Kas autol on EWS3.2 või EWS 3.3
Vahe siis siin:
There are two different versions of EWS III. Version 3.2 is essentially the same as EWS II
except that the transmitter/receiver module is integrated with the EWS module. This system
does not have the rolling code security feature that was added for EWS III 3.3.
Version 3.3, used on EWS 3.3 has all the security features of EWS II. However, instead of
using an ISN jointly shared between the EWS and DME, EWS 3.3 uses a higher level of
security called “rolling code” technology. Rolling code technology uses a rolling code table
permanently coded into both the EWS and the DME which cannot be overwritten by any
coding or flash programming. With the ignition turned off, both the EWS and the DME
automatically roll forward to the next code on the code table. In case one gets out of sync, the
other will roll forward up to a maximum of 200 times to establish synchronization. The rolling
code is a one-way signal from the EWS to the DME. The DME must perform its own
calculation and match the EWS in order for the engine to start.
Siit saan aru et kui sul on ews3.3 siis tuleks ecu koos ews-iga ää vahetada, kuna ükski asi seda muutuvat koodide tabelit üle ei kirjuta
EDIT: ews3.2 puhul peaks saama selle koodi muudetud, EWS-DME alignementi teel
