{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"TGTE","section_name":"Troubleshooting 2JZ-GTE","page":56,"pages_in_section":113,"title":"Inspection Procedure","section_header":"Engine — 2JZ-GTE Engine Troubleshooting","ocr_text":"EG–542\n\nENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING\n\nWIRING DIAGRAM\n\nB-R\n\nEngine Control Module\n\nGR\nGR\n24\nB+\nE10\nM-REL\n\n8\nEA1\n\n2\n2\n\nR/B No. 2\n5\n\nMain Relay\n\nB-R\n5\nEA2\nB-R\n\nW\n48\nOX1\nE9\n\n2\n3\nMain Heated\nOxygen Sensor\nE1\n\nB-R\n\nEF1 Main Relay\n\n3\n\n20 J1\n\nB-R\n\n71\nHT1\nE9\n1\n4\nB-L\nEO1\n\n2\n2\n\nR-L\n9\nR-L\n14\nC1\nJ2\n\nW\n\nR-L\n47\nOX2\nE9\n\nData Link\nConnector 2\nENG 7\nLG\n\nR/B No. 2\n4\nC1\n\nB-R\n2\n3\n\nEFI No.1\n\nE1\n\nSub Heated\nOxygen\nSensor\n\n13 J1\n\n12A\n\nBR-W\n5\n72\nHT2\nE9\n5 V\n\n1\n4\nBR-W\nC1\nBR-W\nJ2\n\nBR-W\n\n8\n\nW-B\n\n4\n15\nLG\nL3\nOX1 OX2\n29\nVF1\nE9\nEO1\n\nBR\n8\nBR\n18\nBR\nC1\nJ1\nVF1 13\n\nBattery\n\nBR\n\nE1\n\nData Link\nConnector 1\n\nFI6918\n\nINSPECTION PROCEDURE\n\nHINT: When other codes are output in addition to 27 at the same time, check the circuits for other codes first.\n\n1\nCheck voltage between terminal HT2 of engine control module connector\nand body ground.\n\nON\n\nP\n(1) Connect SST (check harness \"A\").\n(See page EG–510)\nSST 09990–01000\n(2) Turn ignition switch ON.\n\nSST\n\nECM\n\nC\nMeasure voltage between terminal HT2 of\nengine control module connector and body\nground.\n\nOK\n\nVoltage: 9 — 14 V\n\nB 72\n\nHT2\n\nBE6853\nFI6948\n\nNG\nOK\nGo to step 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