{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"IG","section_name":"Ignition System","page":3,"pages_in_section":10,"title":"Electronic Spark Advance (Esa)","section_header":"Ignition System — Electronic Spark Advance (Esa)","ocr_text":"ELECTRONIC SPARK ADVANCE (ESA)\n\nThe ECU is programmed with data for optimum ignition timing under any and all operating conditions. Using data provided by sensors which monitor various engine functions (rpm, intake air volume, eng. temperature, etc.) the microcomputer (ECU) triggers the spark at precisely the right instant.\n\nESA SYSTEM CIRCUIT\n\n+B\n\nIgnition Coil w/Igniter\n\nECU\n\nSpark Plugs\nTo Tachometer Service Connector\nIGt\nIgniter Assy\nIGt\n\nDistributor\nG\nNe\nG-G\nE1\n\nIG0263","image":"https://tsrm.sasquatchvc.com/images/mk2/IG/IG_003.png","url":"https://tsrm.sasquatchvc.com/mk2/tsrm/IG/3","prev":{"page":2,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/IG/2","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/2"},"next":{"page":4,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/IG/4","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/4"},"section_url":"https://tsrm.sasquatchvc.com/mk2/tsrm/IG","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/1","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/2","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/3","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/4","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/5","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/6","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/7","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/8","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/9","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/IG/10"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}