Late model Z31/R31 different installation!
Posted: Mon Jul 24, 2006 1:18 am
Late model Z31 have a 4 pin connector template near by the EPROM with numbers 33...30 on it
these map to
30 E
31 A15
32 A14
33 R/W
this means installs in late model ecus do not need to solder to the CPU pins, but instead to this connector. the current NIStune revision A/B board connectors are left-to-right read as
3 A15
2 E
1 R/W
so you can change the soldering on your installs if you wish
this also applies to later model HR31s also. all later model EPROM nissans have these too. make installation a bit easier...
revision C boards have four wires connector coming out in this order already. earlier model ecus without this mask will still need to solder to the CPU pins however
these map to
30 E
31 A15
32 A14
33 R/W
this means installs in late model ecus do not need to solder to the CPU pins, but instead to this connector. the current NIStune revision A/B board connectors are left-to-right read as
3 A15
2 E
1 R/W
so you can change the soldering on your installs if you wish
this also applies to later model HR31s also. all later model EPROM nissans have these too. make installation a bit easier...
revision C boards have four wires connector coming out in this order already. earlier model ecus without this mask will still need to solder to the CPU pins however