1/21/2024 0 Comments Mazda pin code converter![]() ![]() Once it finds a valid programmed key it then sends a code word to the ECU to enable fuel and spark. What I discovered is the 1995+ OBDII versions of the Mazdas came with a Temic Immobiliser box that uses a coil antenna in the ignition lock to read a chip in the key. Which meant it was highly likely that the KLK7 ECU also had an immobiliser including valid keys, which I did not have, only the ECU. Later found out that there was an immobiliser for my KLH7 (the original ECU). Tried cranking the engine but it would not start. got a few codes from the diagnostic port which I think they were 11, 23 and 24. I wired up the MAF and IAT sensors and then plugged the the KLK7 ECU in!. I figured the differences were because of the MAF setup on the KLK7 and a VAF setup on the KLH7. A few minor differences in resistors but 99% the same. as far as I knew it wasn't paired with an immobiliser, but when I compared the internals to the KLH7 in my 1996 UK MX6 it had an identical circuit board. I had a KLK7 ECU pulled from an 1998 Australian Eunos 800 2.5L (Xedos 9 / Millenia). IMPORTANT NOTE: For people in the UK and possibly Europe! ![]()
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