JDM vs. USDM ecu (yellow plug)

cre · 08-22-2013, 09:49 PM

Three things cause a code 52 (barring the really out there shit): bad sensor(s), bad wires, bad ECU. No the USDM ECU isn't the issue. I suspect the rewire didn't work and needs to be redone. The knock sensors could be shot (even if they were tested) as they're very delicate things and they really aren't all that easy to test (most shops, even Toyota's will tell you to just replace them at this age).

Here's a link to the shielded rewire which solves this problem for most owners: http://oldschool.supracentral.com/htm/knock.htm

08-22-2013, 09:49 PM	#8
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Three things cause a code 52 (barring the really out there shit): bad sensor(s), bad wires, bad ECU. No the USDM ECU isn't the issue. I suspect the rewire didn't work and needs to be redone. The knock sensors could be shot (even if they were tested) as they're very delicate things and they really aren't all that easy to test (most shops, even Toyota's will tell you to just replace them at this age). Here's a link to the shielded rewire which solves this problem for most owners: http://oldschool.supracentral.com/htm/knock.htm __________________ If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar --->