Hello. As the title of this post suggests, i am in need of help with installing an OBD2 port to my 3SGE Beams Blacktop. This particular engine and the ECU are from a JDM Altezza which, as per my knowledge and research, did did come with an OBD2/DLC3 port (although it wasnt completely OBD2 compliant unlike Lexus IS200 for US). AFAIK, the ECU for this engine runs a JOBD (ISO 9141-2/ISO 14230 KWP2000 protocol) which can be picked up by the new android scan tools like Torque Pro etc, with some modifications.
The engine wiring loom did not have a DLC3 connector or wiring attached anywhere when it got picked up. So what i basically need help with is the connections of the OBD2, to and from the ECU or any other device. If anyone here has any diagrams or links which could help me with the connections to the port actually used on the Altezza or the Blacktop 3S BEAMS, that would be really great. I know basic stuff as to where the BATT power, CG, SG, TC, Tacho and K-Line(Signal) should connect to. What i am missing out on (i think) is:
1 - What are the volts for the K-Line?
2 - Where to get the L-Line connection from?
3 - Can the Main Ground/Chassis Ground be used for the Sensor Ground wire too?
These are the main questions i have in mind right now. I am using a Bluetooth OBD2 scanner on a Torque Pro Android application atm. Any help will be appreciated. Thanks in advance.
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