Need to temporarily borrow AP1 ECU to test a CEL
05-11-2011, 03:41 PM
#21
The immobilizer ring needs to read both keys theoretically if what you're proposing to work. Take the immobilizer key-ring reader off the ignition cylinder, and turn on the ignition with both key's heads within the ring of the immobilizer and try that. I
don't reprogram my ECU though!
don't reprogram my ECU though!
05-16-2011, 11:08 AM
#22
Thread Starter
The ECU swap did not fix the issue 
.
>>I must basically tape the immobilizer key from the donor ECU to a non-immobilizer key that fits my car, so I need a new cut un-programmed key.
That worked, infact it is also in the s2000 manual.
I just got a new plain cut key from walmart ( without any transponder stuff ), cost me $2, and taped it to the donor key and started the car with the donor ECU and the car started fine. In-fact before I swapped my ECU, I tested the theory with my ECU by taping the new cut key I got made from walmart with my original key and verified that the car started. ECU swap is so easy if the donor ECU comes with a key programmed for it.
Next steps are to try replacing that white check valve, vacuum tank, air pump, and the air pump relay to see if it fixes things.
. >>I must basically tape the immobilizer key from the donor ECU to a non-immobilizer key that fits my car, so I need a new cut un-programmed key.
That worked, infact it is also in the s2000 manual.
I just got a new plain cut key from walmart ( without any transponder stuff ), cost me $2, and taped it to the donor key and started the car with the donor ECU and the car started fine. In-fact before I swapped my ECU, I tested the theory with my ECU by taping the new cut key I got made from walmart with my original key and verified that the car started. ECU swap is so easy if the donor ECU comes with a key programmed for it.
Next steps are to try replacing that white check valve, vacuum tank, air pump, and the air pump relay to see if it fixes things.
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