{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"IGE","section_name":"Ignition System 2JZ-GE","page":4,"pages_in_section":18,"title":"On-Vehicle Inspection Spark Test","section_header":"Ignition System — 2JZ-GE","ocr_text":"IG-4\nIGNITION SYSTEM – 2JZ–GE\n\nON–VEHICLE INSPECTION\nSPARK TEST\n\nCHECK THAT SPARK OCCURS\n(a) Disconnect the high–tension cord (from the ignition coil) from the distributor cap.\n(b) Hold the end approx. 12.5 mm (0.50 in.) from the body ground.\n(c) See if spark occurs while engine is being cranked.\nHINT: To prevent gasoline from being injected from injectors during this test, crank the engine for no more than 1–2 seconds at time.\nIf the spark does not occur, do the test as follows:\n\nSPARK TEST\n↓ NO\nCHECK CONNECTION OF IGNITION COIL, IGNITER AND DISTRIBUTOR CONNECTOR\n↓ OK\nCHECK RESISTANCE OF HIGH–TENSION CORD\n(See page IG–5)\nMaximum resistance: 25 kΩ per cord\n↓ OK\nCHECK POWER SUPPLY TO IGNITION COIL AND IGNITER\n1. Turn ignition switch to ON.\n2. Check that there is battery voltage at ignition coil positive (+) terminal.\n↓ OK\nCHECK RESISTANCE OF IGNITION COIL\n(See page IG–7)\nResistance:          Cold               Hot\nPrimary       0.21 – 0.33 Ω    0.27 – 0.39 Ω\nSecondary     6.4 – 11.1 kΩ    8.2 – 13.0 kΩ\n↓ OK\nCHECK RESISTANCE OF SIGNAL GENERATOR\n(PICKUP COIL)(See page IG–8)\nResistance:          Cold               Hot\nG1 and G ⊖    125 – 200 Ω     160 – 235 Ω\nG2 and G ⊖    125 – 200 Ω     160 – 235 Ω\nNE and G ⊖    155 – 250 Ω     190 – 290 Ω\n↓ OK\nCHECK AIR GAP OF DISTRIBUTOR\n(See page IG–8)\nAir gap: 0.2 – 0.5 mm (0.008 – 0.020 in.)\n↓ OK\nCHECK IGT SIGNAL FROM ECM\n(See page EG–413)\n↓ OK\nTRY ANOTHER IGNITER\n\nBAD → Connect securely.\nBAD → Replace the cord(s).\nBAD → Check wiring between ignition switch to ignition coil and igniter.\nBAD → Replace the ignition coil.\nBAD → Replace the distributor housing assembly.\nBAD → Replace the distributor housing assembly.\nBAD → Check wiring between ECM, distributor and igniter, and then try another ECM.\n\nP12368","image":"https://tsrm.sasquatchvc.com/images/mk4/IGE/IGE_004.png","url":"https://tsrm.sasquatchvc.com/mk4/tsrm/IGE/4","prev":{"page":3,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/IGE/3","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/3"},"next":{"page":5,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/IGE/5","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/5"},"section_url":"https://tsrm.sasquatchvc.com/mk4/tsrm/IGE","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/1","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/2","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/3","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/4","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/5","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/6","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/7","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/8","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/9","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/10","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/11","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/12","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/13","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/14","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/15","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/16","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/17","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/IGE/18"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}