{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"BAT","section_name":"Brakes, ABS & TRAC Systems","page":154,"pages_in_section":167,"title":"Brakes, ABS & TRAC Systems","section_header":"Brake System — Traction Control System (TRAC)","ocr_text":"BR–154\nBRAKE SYSTEM – TRACTION CONTROL SYSTEM (TRAC)\n\n3  Check for open and short in harness and connector between terminal IDL2 of TRAC ECU and main throttle position sensor with TRAC ECU, ECM and main throttle position sensor connectors disconnected (See page IN–30).\n\nOK\nNG  Repair or replace harness or connector.\n\n4  Check for short in harness between terminal IDL2 of TRAC ECU and body ground with only main throttle position sensor connector connected (See page IN–30).\n\nOK\nNG  Check and replace main throttle position sensor.\n\n5  Check for short in harness between terminal IDL2 of TRAC ECU and body ground with only ECM connector connected (See page IN–30).\n\nOK\nNG  Check and replace ECM.\n\nCheck and replace TRAC ECU.\n\n6  Check voltage of terminal VTA2 of ECM (See page EG–554).\n\nNG\nOK  Check and replace ECM.\n\n7  Check for open and short in harness and connector between terminal VTA2 of ECM and main throttle position sensor (See page IN–30).\n\nOK\nNG  Repair or replace harness or connector.\n\n8  Check main throttle position sensor (See page EG–555).\n\nOK\nNG  Adjust or replace main throttle position sensor See page EG–294).\n\nCheck and replace 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