{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"TGE","section_name":"Troubleshooting 2JZ-GE","page":28,"pages_in_section":105,"title":"Matrix Chart of Problem Symptoms","section_header":"Engine — 2JZ-GE Engine Troubleshooting","ocr_text":"EG–408\n\nENGINE – 2JZ–GE ENGINE TROUBLESHOOTING\n\nMATRIX CHART OF PROBLEM SYMPTOMS\n\nWhen the malfunction code is not confirmed in the diagnostic trouble code check and the problem still can not be confirmed in the basic inspection, proceed to this matrix chart and troubleshoot according to the numbered order given below.\n\nSee page\nEG-438\nEG-438\nEG-453\nEG-460\nEG-463\nEG-465\nEG-470\nEG-472\nEG-475\nEG-457\nEG-481\nAC-62\nST-3, 12\nIG-4\nIG-5\nIG-7\nIG-7\nEG-9\nAT2-81\nBE-123\nIN-35\n\nSuspect area\n\nVolume air flow meter circuit\nStarter signal circuit\nEGR system\nSwitch condition signal circuit\nPark/neutral position switch circuit\nECM power source circuit\nBack up power source circuit\nInjector circuit\nIAC valve circuit\nFuel pump control circuit\nVSV circuit for fuel pressure control\nA/C signal circuit (Compressor circuit)\nStarter and Starter relay\nIgnition signal circuit (Spark test)\nSpark plug\nIgnition coil\nDistributor\nCompression\nA/T faulty\nTheft deterrent ECU\nEngine control module (ECM)\n\nSymptom\n\nDoes not start\nEngine does not crank\n2\n1\n3\nNo initial combustion\n1\n5\n3\n2\n4\nNo complete combustion\n6\n1\n5\n4\n2\n3\n\nDifficult to start\nEngine cranks normally\n1\n8\n2\n3\n6\n4\n5\n7\nCold engine\n1\n4\n2\n3\n7\n5\n6\nHot engine\n1\n5\n2\n4\n3\n8\n6\n7\n\nPoor Idling\nIncorrect first idle\n1\n2\nHigh engine idle speed\n1\n5\n4\n6\n2\n3\nLow engine idle speed\n7\n3\n4\n8\n6\n1\n5\n2\nRough idling\n3\n5\n1\n12\n4\n2\n8\n6\n11\n9\n10\n7\nHunting\n3\n1\n4\n2\n5\n\nPoor Driveability\nHesitation/Poor acceleration\n2\n1\n3\n4\n5\n8\n6\n7\n9\nMuffler explosion (after fire)\n1\n5\n4\n2\n3\nSurging\n1\n5\n2\n4\n3\n\nEngine Stall\nSoon after starting\n2\n3\n1\nAfter accelerator pedal depressed\n2\n1\nAfter accelerator pedal released\n1\n2\n3\nDuring A/C operation\n1\n2\n3\nWhen shifting N to 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