{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"FI","section_name":"EFI System","page":61,"pages_in_section":80,"title":"Inspection of ISC Valve","section_header":"EFI System — Air Induction System","ocr_text":"INSPECTION OF ISC VALVE\n\n1. CHECK RESISTANCE OF ISC VALVE\nUsing an ohmmeter, measure the resistance between terminals B₁ — S₁ or S₃ and B₂ — S₂ or S₄.\nResistance: B₁ — S₁ or S₃ 10 — 30 Ω\nB₂ — S₂ or S₄ 10 — 30 Ω\n\n2. INSPECT OPERATION OF ISC VALVE\n(a) Apply battery voltage to terminals B₁ and B₂ and while repeatedly grounding S₃ — S₂ — S₃ — S₄ — S₁ in sequence, check that the valve moves toward the closed position.\n\n(b) Apply battery voltage to terminals B₁ and B₂ and while repeatedly grounding S₄ — S₁ — S₂ — S₁ — S₄ in sequence, check that the valve moves toward the open position.\n\nINSTALLATION OF ISC VALVE\n\n1. INSTALL ISC VALVE BODY AND TWO BOLTS\n\n2. CONNECT FOLLOWING HOSES TO ISC VALVE BODY:\n(a) Two air hoses\n(b) Two water by-pass hoses\n\n3. CONNECT TWO ISC VALVE CONNECTORS\n\n4. FILL WITH 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}