ECU Swap - 2000 ARC engine
Posted: Mon Aug 04, 2014 8:34 pm
I want to try an ECU swap to see if that fixes my running rich probale and now have a used ECU.
I have alreadyy simply tried a swap over. The central locking and rediuo continued to work but the car would not start, presumably because of the immobilser. I believe the car is fitted with IMMOB 3 and have been able to get my immobilisor code out
Does anyone know if it is possible for me to recode the ECU to the car myself, or will I need a garage to do the work ? From my research so far I am getting conflicting information.
Most sources say I need a PIN code for my car (which I don't have) to pair the used ECU to the immobilisor. However, ElsaWin says the following
I have alreadyy simply tried a swap over. The central locking and rediuo continued to work but the car would not start, presumably because of the immobilser. I believe the car is fitted with IMMOB 3 and have been able to get my immobilisor code out
Does anyone know if it is possible for me to recode the ECU to the car myself, or will I need a garage to do the work ? From my research so far I am getting conflicting information.
Most sources say I need a PIN code for my car (which I don't have) to pair the used ECU to the immobilisor. However, ElsaWin says the following
I would appreciate some advice about if this is how it works. On the one hand VW should give out better information than the internet, but the last thing I want to do is attempt a recode and end up in a position where neither ECU will start the carEngine code: ARC
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
◆ Fault reader V.A.G 1551 or vehicle system tester V.A.G 1552 with cable V.A.G 1551/3
Conditions
● Authorized vehicle key required.
Work sequence
‒ → Remove ash tray -1-.
‒ Connect fault reader V.A.G 1551 or vehicle system tester V.A.G 1552 with cable V.A.G 1551/3.
‒ Switch on ignition.
‒ Operate fault reader or vehicle system tester taking into account the information on the display:
‒ Press key 1 for "Rapid data transfer".
‒ Press keys 2 and 5 for address word "Immobilizer" and confirm entry with Q key.
‒ Press the ⇒key.
→ Indicated on display: Rapid data transfer HELP
Select function XXX
‒ Press keys 1 and 0 for function "Adaption" and confirm entry with Q key.
→ Indicated on display: Adaption
Feed in channel number XX
‒ Press key 0 twice for "Channel number 0" and confirm entry with Q key.
→ Indicated on display: Adaption Q
Erase learnt values?
‒ Confirm input with Q key.
→ Indicated on display: Adaption ⇒
Learnt values have been erased
‒ Conclude adaption by pressing ⇒ key.
‒ Press keys 0 and 6 for the function "End output" and confirm entry with the Q key.
‒ Switch off ignition.
Note:
The identity of the engine control unit is read into the immobilizer control unit when next switching the ignition on.