{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"A","section_name":"Service Specifications","page":14,"pages_in_section":36,"title":"Ignition System","section_header":"Service Specifications — Ignition System, Starting System","ocr_text":"A-14\nSERVICE SPECIFICATIONS — Ignition System, Starting System\n\nIGNITION SYSTEM\n\nIgnition timing | T/M in N range | 10° BTDC @ Idle\n[Check connector terminals TE1 and E1, connect]\n\nSpark plug | Type | 7M GE | ND | PQ16R\n | | | NGK | BCPR5EP11\n | | 7M-GTE | ND | PQ20R-P8\n | | | NGK | BCPR6EP-N8\n | Gap | 7M GE | STD | 1.1 mm | 0.043 in.\n | | | Limit | 1.3 mm | 0.051 in.\n | | 7M-GTE | STD | 0.8 mm | 0.031 in.\n | | | Limit | 1.0 mm | 0.039 in.\n\nHigh-tension cord | Resistance | Limit | 25 kΩ per cord\n\nIgnition coil | Primary coil resistance | 7M-GE | 0.24 — 0.30 Ω\n | | 7M-GTE | 0.3 — 0.5 Ω\n | Secondary coil resistance (7M-GE only) | 9.2 — 12.4 kΩ\n\nDistributor (7M-GE) or cam position sensor (7M-GTE) | Air gap\n | G1, G2 and NE pickups | 7M-GE | 0.2 mm (0.008 in.) or more\n | | 7M-GTE | 0.2 — 0.4 mm | 0.008 — 0.016 in.\n | Pickup coil resistance\n | G1 and G2 pickups | | 140 — 180 Ω\n | NE pickup | 7M-GE | 180 — 220 Ω\n | | 7M-GTE | 140 — 180 Ω\n\nSTARTING SYSTEM\n\nStarter | Rated voltage and output power | | 12 V 1.4 kW\n | No-load characteristic | Current | 90A or less at 11.5 V\n | | rpm | 3,500 rpm or more\n | Brush length | STD | 15.5 mm | 0.610 in.\n | | Limit | 10.0 mm | 0.394 in.\n | Commutator | Outer diameter | STD | 30 mm | 1.18 in.\n | | | Limit | 29 mm | 1.14 in.\n | | Undercut depth | STD | 0.6 mm | 0.024 in.\n | | | Limit | 0.2 mm | 0.008 in.\n | | Circle runout | Limit | 0.05 mm | 0.0020 in.\n | Spring installed load | STD | 1.79 — 2.41 kg\n | | | (3.9 — 5.3 lb, 18 — 24 N)\n | | Limit | 1.2 kg | 2.6 lb | 12 N","image":"https://tsrm.sasquatchvc.com/images/mk3/A/A_014.png","url":"https://tsrm.sasquatchvc.com/mk3/tsrm/A/14","prev":{"page":13,"url":"https://tsrm.sasquatchvc.com/mk3/tsrm/A/13","api":"https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/13"},"next":{"page":15,"url":"https://tsrm.sasquatchvc.com/mk3/tsrm/A/15","api":"https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/15"},"section_url":"https://tsrm.sasquatchvc.com/mk3/tsrm/A","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/1","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/2","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/3","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/4","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/5","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/6","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/7","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/8","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/9","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/10","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/11","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/12","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/13","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/14","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/15","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/16","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/17","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/18","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/19","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/20","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/21","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/22","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/23","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/24","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/25","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/26","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/27","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/28","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/29","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/30","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/31","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/32","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/33","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/34","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/35","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/A/36"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}