{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"FI","section_name":"EFI System","page":35,"pages_in_section":80,"title":"EFI System","section_header":"EFI System — Troubleshooting for EFI Electronic Circuit with Volt/Ohmmeter","ocr_text":"EFI SYSTEM — Troubleshooting for EFI Electronic Circuit with Volt/Ohmmeter     FI-35\n\nNo. | Terminals | Trouble | Condition | STD voltage\n2 | IDL - E₂ | No voltage | Ignition switch ON | Throttle valve open | 4 - 6\n  | VTA - E₂ |           |                     | Throttle valve fully closed | 0.1 - 1.0\n  | Vc - E₂  |           |                     | Throttle valve fully open | 4 - 5\n  |          |           |                     |                            | 4 - 6\n\nECU\n\nThrottle Position Sensor\n[Diagram showing throttle position sensor connections to ECU with terminals E₁, IDL, VTA, Vc, E₂]\n\nF-0485\n\nVoltmeter    ECU\n[Diagram 1 showing voltmeter connection to IDL terminal]\nF-0527\n\nVoltmeter    ECU +B\n[Diagram 2 showing voltmeter connection to +B terminal]\nF-0528\n\nOhmmeter\n[Diagram 3 showing ohmmeter connection to throttle position sensor at IDL and E₂ terminals]\nF-0484\n\n① There is no voltage between ECU terminals IDL and E₂. (IG S/W ON) (Throttle valve open)\n↓\n② Check that there is voltage between ECU terminal +B body and body ground. (IG S/W ON)\nNO | OK\n↓  |\nCheck wiring between ECU terminal E₁ and body ground.\n   |\n   BAD → Repair or replace\n   ↓\n   Refer to No. 1. → BAD → Repair or replace\n   ↓\n   OK\n   ↓\n③ Check throttle position sensor. → BAD\n   |\n   BAD | OK\n   ↓    ↓\nRepair or replace | Check wiring between ECU and throttle position sensor.\n                  ↓\n                  OK\n                  ↓\n                  Try another 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}