{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"FI","section_name":"EFI System","page":32,"pages_in_section":126,"title":"Voltage at ECU Wiring Connectors","section_header":"EFI System — Troubleshooting with Volt/Ohmmeter (7M-GE)","ocr_text":"Voltage at ECU Wiring Connectors\n\nNo. | Terminals | Condition | STD Voltage | See Page\n\n1 | BATT - E1 | - | 10 - 14 | FI-33\n  | IG SW - E1 | | | FI-34\n  | M-REL - E1 | Ignition SW ON | 10 - 14 | \n  | +B (+B1) - E1 | | | FI-35\n\n2 | IDL - E2 | Throttle valve open | 10 - 14 | FI-36\n  | VC - E2 | Ignition SW ON | 4 - 6 | FI-37\n  | VTA - E2 | Throttle valve fully closed | 0.1 - 1.0 | \n  |         | Throttle valve fully open | 4 - 5 | \n\n3 | VC - E2 | - | 4 - 6 | \n  | VS - E2 | Ignition SW ON | Measuring plate fully closed | 3.7 - 4.3 | FI-38\n  |         | | Measuring plate fully open | 0.2 - 0.5 | \n  |         | | Idling | 2.3 - 2.8 | \n  |         | | 3,000 rpm | 1.0 - 2.0 | \n\n4 | No. 10 - E01 | Ignition SW ON | 10 - 14 | FI-39\n  | No. 20 - E02 | | | \n  | No. 30 | | | \n\n5 | THA - E2 | Ignition SW ON | Intake air temperature 20°C (68°F) | 1 - 3 | FI-40\n\n6 | THW - E2 | Ignition SW ON | Coolant temperature 80°C (176°F) | 0.1 - 1.0 | FI-41\n\n7 | STA - E1 | Cranking | 6 - 14 | FI-42\n\n8 | IGT - E1 | Idling | 0.7 - 1.0 | FI-43\n\n9 | ISC1 - E1 | Ignition SW ON | 9 - 14 | FI-44\n  | ISC4 | | | \n\n10 | W - E1 | No trouble (\"CHECK ENGINE\" warning light off) and engine running | 8 - 14 | FI-45\n\n11 | A/C - E1 | Air conditioning ON | 10 - 14 | FI-46\n\nECU Terminals\n\n[Diagram showing ECU terminal layout with labels including E01, E02, IG, STA, STJ, +B1, ISC1, ISC2, ISC4, G1, G2, NE, IGT, IGF, PHM, OX1, OX2, REL, CRSPO, FP, THA, VS, VC, BATT, IG SW, No. 10, No. 20, No. 30, E1, HT1, ISC3, VF, VF1, ISC, VTA, DI, PHK, OX3, KNK, E2, L1, L2, A/C, W, SPI, GCT1, LP, +B1, 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}