{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"SFTE","section_name":"SFI System 2JZ-GTE","page":39,"pages_in_section":71,"title":"Idle Air Control (IAC) Valve On-Vehicle Inspection","section_header":"Engine — SFI System (2JZ-GTE)","ocr_text":"EG-296\nENGINE – SFI SYSTEM (2JZ–GTE)\n\nIDLE AIR CONTROL (IAC) VALVE\nON–VEHICLE INSPECTION\n\n1. INSPECT IAC VALVE FOR OPERATING SOUND\nCheck that there is a clicking sound immediately after stopping the engine.\nIf operation is not as specified, check the IAC valve, wiring and ECM.\n\n2. INSPECT IAC VALVE RESISTANCE\nUsing an ohmmeter, measure the resistance between the terminals (B1 (or B2) to others).\nResistance:\nAt 20˚C (68˚F) 18–24 Ω\nIf resistance is not as specified, replace the IAC valve.\n\nOhmmeter\nS4 B2 S2\nS3 B1 S1\nP11417\n\nCOMPONENTS FOR REMOVAL AND\nINSTALLATION\n\nIAC Valve Connector\nAir Hose\nWater Bypass Hose\nIAC Valve\n◆ Gasket\nWater Bypass Hose\nSeal Washer\nCheck Valve\n\n◆ Non-reusable part\nP15728","image":"https://tsrm.sasquatchvc.com/images/mk4/SFTE/SFTE_039.png","url":"https://tsrm.sasquatchvc.com/mk4/tsrm/SFTE/39","prev":{"page":38,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/SFTE/38","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/38"},"next":{"page":40,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/SFTE/40","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/40"},"section_url":"https://tsrm.sasquatchvc.com/mk4/tsrm/SFTE","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/1","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/2","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/3","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/4","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/5","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/6","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/7","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/8","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/9","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/10","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/11","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/12","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/13","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/14","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/15","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/16","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/17","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/18","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/19","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/20","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/21","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/22","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/23","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/24","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/25","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/26","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/27","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/28","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/29","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/30","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/31","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/32","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/33","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/34","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/35","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/36","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/37","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/38","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/39","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/40","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/41","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/42","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/43","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/44","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/45","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/46","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/47","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/48","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/49","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/50","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/51","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/52","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/53","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/54","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/55","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/56","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/57","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/58","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/59","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/60","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/61","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/62","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/63","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/64","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/65","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/66","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/67","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/68","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/69","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/70","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/SFTE/71"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}