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If using an automatic ECU, this must be grounded or wired to your shifter, or the engine may refuse to rev or start. 1kz ecu pinout
Constant 12V power used to maintain the ECU’s memory and fault codes. AI responses may include mistakes
Check for 12V at the SPV relay and ensure the NE+ sensor has continuity. this manages injection timing advance.
Located at the bottom of the pump, this manages injection timing advance.