02+ Aristo Swap w/ A340e 4AT Questions - Lexus IS Forum
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02+ Aristo Swap w/ A340e 4AT Questions

Hi guys! Those of you who have done an Aristo swap using the TT 4spd auto into a 02-05 IS/GS300, how did you wire the ECU input pins for A/T Indicator P and R gear?

On the 01/Aristo harness, P and R gears are on the body plugs going into the ECU. On the 02+ harness, they are on the engine plugs going into the ECU. Not sure why Toyota would make a switch like this, but using Aristo everything (ecu, tranny, harness) means I need to get the P and R signal from somewhere.
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Last edited by ElitistK; 02-04-2019 at 06:04 PM.
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