OBD II ECU help
10-30-10, 04:20 AM
#1
OBD II ECU help
I am in a process of converting my '97 SC300 with R154. I know all OBD 1 cars can retain the auto ECU without the CEL light coming on.
Different story with OBD II though, If I keep my auto ECU I will have a CEL light. In order to fix the CEL light, I need an OBD II manual ECU ( I can source one from 1996 manual SC300). Now here are my questions:
1. Will a 1996 manual ECU will work on my car or I have to get one from an MKIV?
2. If the 1996 ECU will work, is it ideal to use this ECU for 2JZGTE non-VVTI swap?
Different story with OBD II though, If I keep my auto ECU I will have a CEL light. In order to fix the CEL light, I need an OBD II manual ECU ( I can source one from 1996 manual SC300). Now here are my questions:
1. Will a 1996 manual ECU will work on my car or I have to get one from an MKIV?
2. If the 1996 ECU will work, is it ideal to use this ECU for 2JZGTE non-VVTI swap?
11-01-10, 05:40 AM
#2
I am pretty sure the 96 ecu will work on the manual swap(you may need a 97 specific, but I doubt it)...Even so, the 2JZ-GE ecu won't run the 2JZ-GTE engine. The only option to run a manual, OBDII swap without a CEL would be a USDM Supra ECU. That also means converting to MAF, or at least a VPC. It may also involve some EGR trickery to prevent a CEL if you are running a JDM non-EGR swap. Regardless, there is going to be some wiring involved.
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