{"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":17,"pages_in_section":105,"title":"Troubleshooting 2JZ-GE","section_header":"Engine — 2JZ-GE Engine Troubleshooting","ocr_text":"EG–397\n\nENGINE – 2JZ–GE ENGINE TROUBLESHOOTING\n\nTrouble Area | Malfunction Indicator Lamp*1 | Memory*2 | See page\nNormal Mode | Test Mode\n\n• Open in EGR gas temp. sensor circuit\n• Short in VSV circuit for EGR\n• EGR hose disconnected, valve stuck\n• Clogged EGR gas passage\n• ECM\nON | ON | ○ | EG–453\n\n• Open or short in fuel pump ECU circuit\n• Fuel pump ECU\n• Fuel pump\n• ECM power source circuit\n• ECM\nOFF | ON | ○ | EG–457\n\n• A/C switch circuit\n• Throttle position sensor IDL circuit\n• Park/neutral position switch circuit\n• Accelerator pedal and cable\n• ECM\nN.A. | OFF | X | EG–460\n\n*4: This indicates items for which \"2 trip detection logic\" is used. With this logic, when a logic malfunction is first\n    detected, the malfunction is temporarily stored in the ECM memory. If the same case is detected again\n    during the second drive test, this second detection causes the Malfunction Indicator Lamp to light up.\n    The 2 trip repeats the same mode a 2nd time. (However, the IG switch must be turned OFF between the\n    1st trip and 2nd trip).\n    In the Test Mode, the Malfunction Indicator Lamp lights up the 1st trip a malfunction is detected.\n\nMalfunction detection (1st time)\n(temporarily recorded)\nMalfunction detection (2nd time)\n(MIL lights up)\n\nDriving pattern\nIG SW\nON\nIG SW\nOFF\nIG SW\nON\nDriving pattern\nIG SW\nOFF\n\n1st trip\n2nd trip\n2 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}