{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"TGTE","section_name":"Troubleshooting 2JZ-GTE","page":97,"pages_in_section":113,"title":"Injector Circuit","section_header":"Engine — 2JZ-GTE Engine Troubleshooting","ocr_text":"Injector Circuit\n\nCIRCUIT DESCRIPTION\n\nThe injectors are located in the intake manifold. They inject fuel into the cylinders based on the signals from the engine control module.\n\nReference   INSPECTION USING OSCILLOSCOPE\n• With engine idling measure waveform between terminals # 10 ~ 60 and E01 of engine control module.\nHINT: The correct waveform is as shown.\n\nInjector Signal Waveform\n10 V/Div.\n\nGND\n100 msec./Division (Idling)\n\n(Magnification)\n10 V/Div.\n\nGND\n1 msec./Division (Idling)\nInjection duration\n\nFI6598 FI6538\n\nWIRING DIAGRAM\n\nIgnition Switch\nW-R\n2\n3\nB-O\nIJ1  B-O\n9\n1\n\nSolenoid Resistor\nL\n2\n\nInjector\nNo.1\nR-L\nE9\n1\n\nEngine Control Module\n20\n#10\n\nBR\n3\n\nNo.2\nR-Y\nE9\n2\n1\n\n19\n#20\n\nR\n4\n\nNo.3\nR-G\nE9\n2\n1\n\n18\n#30\n\nG\n8\n\nNo.4\nR-W\nE9\n2\n1\n\n17\n#40\n\nB-Y\n7\n\nNo.5\nR\nE9\n2\n1\n\n16\n#50\n\nW\n6\n\nNo.6\nR-B\nE9\n2\n1\n\n15\n#60\n\nBR\n\nE9\n\n80\nEO1\n\nBR\n\nE9\n\n79\nEO2\n\n4  IB1\n\nW-R\n\n2\nAM2\nR/B No.2\n1\n2A\n\nB\n\nBattery\n\nFI6934","image":"https://tsrm.sasquatchvc.com/images/mk4/TGTE/TGTE_097.png","url":"https://tsrm.sasquatchvc.com/mk4/tsrm/TGTE/97","prev":{"page":96,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/TGTE/96","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/96"},"next":{"page":98,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/TGTE/98","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/98"},"section_url":"https://tsrm.sasquatchvc.com/mk4/tsrm/TGTE","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/1","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/2","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/3","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/4","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/5","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/6","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/7","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/8","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/9","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/10","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/11","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/12","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/13","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/14","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/15","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/16","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/17","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/18","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/19","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/20","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/21","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/22","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/23","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/24","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/25","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/26","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/27","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/28","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/29","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/30","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/31","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/32","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/33","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/34","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/35","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/36","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/37","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/38","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/39","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/40","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/41","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/42","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/43","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/44","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/45","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/46","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/47","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/48","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/49","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/50","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/51","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/52","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/53","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/54","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/55","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/56","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/57","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/58","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/59","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/60","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/61","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/62","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/63","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/64","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/65","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/66","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/67","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/68","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/69","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/70","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/71","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/72","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/73","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/74","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/75","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/76","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/77","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/78","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/79","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/80","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/81","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/82","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/83","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/84","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/85","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/86","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/87","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/88","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/89","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/90","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/91","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/92","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/93","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/94","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/95","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/96","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/97","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/98","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/99","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/100","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/101","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/102","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/103","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/104","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/105","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/106","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/107","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/108","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/109","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/110","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/111","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/112","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/TGTE/113"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}