{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Electrical Wiring Diagram","section":"EC","section_name":"Engine Control","page":18,"pages_in_section":24,"title":"Engine Control System - Heated Oxygen Sensors","section_header":"Engine Control System","ocr_text":"*1 : CALIFORNIA\n*2 : EXCEPT CALIFORNIA\n*3 : ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU\n\nFROM POWER SOURCE SYSTEM (SEE PAGE 56)\n\nBR-B\nE27\nE28\nE26\nBR-B\nBR-B\nBR-B\nBR-B\nBR-B\nW\nL-R\nY\nR\nI17\nTHROTTLE POSITION SENSOR\nTO CRUISE ECU\nE4 (MATE/PLANT THEFT SENSOR DERMA)\nE6 (EFI GAS TEMP. SENSOR)\nA 5 (MAIN FUEL SENSOR)\nL-R\nL-R\nY\nY\nO\nW\nBR-Y\n10A MIR-HTR\n10A PANEL\n15A STOP\nIG1\nIG2\nIG\nC-O\nL-R\n1\nDIODE (FOR IDLE-UP)\n3\nR\nG-W\nST1 (STOP LIGHT SW)\n2\n32\nI11\nR\n11\nI11\nG-W\n43\nD\n64\nD\n44\nD\n24\nD\n46\nD\n15\nD\n4\nD\nW/B1\n10L1\nTHW\nOIL\nTHO\nELS\nSTP\n\nE 9\nE10\nD\nD\nENGINE CONTROL MODULE (*3)\n\nOX1\nOX2\nHT1\nHT2\n48\nD\n73\nD\n47\nD\n72\nD\n\n(SHIELDED)\n(SHIELDED)\n\nW\nW\nI17\nR-L\nR-L\nI17\nW\n(SHIELDED)\n(*2)\n(*2)\nB-Y\n+B\n+B\nR-L\nB-R\n1\n3\n1\n3\nB-W\nM 2 MAIN HEATED OXYGEN SENSOR (BANK 1 SENSOR 1 ON FRONT SIDE)\nOX1\nHT\nM 3 MAIN HEATED OXYGEN SENSOR (BANK 2 SENSOR 1 ON REAR SIDE)\nOX2\nHT\nL-R\n\nR\nC\nR\nC\nW\nB-R\nBR\nB-R\nBR\nOX1 FRONT MAIN OXYGEN SENSOR CONVERTER (B1/S1)\nW\nOX2 REAR MAIN OXYGEN SENSOR CONVERTER (B2/S1)\n(SHIELDED)\n(SHIELDED)\n(SHIELDED)\n(SHIELDED)\nBR\nBR\nE28\nE27\nB-R\nB-R\nE24\nE25\nE36\nB-R\nBR (*1)\nBR\n(*1)\nB-W\nL-R\nBR\n\n87","image":"https://tsrm.sasquatchvc.com/images/mk4-ewd/EC/EC_018.png","url":"https://tsrm.sasquatchvc.com/mk4/ewd/EC/18","prev":{"page":17,"url":"https://tsrm.sasquatchvc.com/mk4/ewd/EC/17","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/17"},"next":{"page":19,"url":"https://tsrm.sasquatchvc.com/mk4/ewd/EC/19","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/19"},"section_url":"https://tsrm.sasquatchvc.com/mk4/ewd/EC","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/1","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/2","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/3","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/4","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/5","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/6","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/7","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/8","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/9","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/10","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/11","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/12","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/13","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/14","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/15","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/16","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/17","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/18","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/19","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/20","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/21","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/22","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/23","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/EC/24"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}