TwinTurbo.NET: Nissan 300ZX forum - hmm
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Subject hmm
     
Posted by aliaZ on May 04, 2006 at 9:54 AM
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In Reply To Regarding JWT chips and safety. posted by DVDBURN (MD) on May 04, 2006 at 09:15 AM
     
Message :When there is a critical problem such as detonation the microprocessor turns off communication with the eprom chip and uses it's own internal information or safety maps. At that point the car is in limp mode (also know as safety boost) and does not require any information from the eprom (JWT chip). There is no safety map needed to be accessed from the eprom chip under these circumstances because the microprocessor turns off communication to the chip. The safety map for critical problems is in the microprocessor, not the eprom (JWT chip).

If this is the case, wouldn't the safety maps in the microprocessor be preprogrammed for 370cc injectors? I would think that it would still need to pull some injector parameters off of the chip. Otherwise when the ECU defaults into safety maps, the injector puslewidth would be all wrong when someone is using aftermarket injectors.

     
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