{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"AC","section_name":"Air Conditioning System","page":33,"pages_in_section":46,"title":"Inspection of Water Temperature Switch NO.2, NO.3 (7M-GTE E/G Model Only)","section_header":"Air Conditioning System — Water Temperature Switch, Cooling Unit","ocr_text":"7M-GTE E/G Only\n\nWater Temp. Switch No. 2\n\nWater Temp. Switch No. 3\n\nINSPECTION OF WATER TEMPERATURE SWITCH NO.2, NO.3\n(7M-GTE E/G MODEL ONLY)\n\nINSPECT SWITCH CONTINUITY\nInspect the switch continuity between each terminal at each water temperature.\n\n7M-GTE E/G Only\n\nWater Temp.\nSW No. 2\n\nON                  107°C (225°F)\n\nOFF\n112°C (234°F)\n\nWater Temp.\nSW No. 3\n\n95°C (203°F)        ON\n\nOFF\n100°C (212°F)\n\nIf defective, replace the switch.\n\nCOOLING UNIT\n(See page AC-8)\n\nON-VEHICLE INSPECTION OF EXPANSION VALVE\n\n1. CHECK QUANTITY OF REFRIGERANT GAS DURING REFRIGERATION CYCLE\n\n2. INSTALL MANIFOLD GAUGE SET\n(See page AC-21)\n\n3. RUN ENGINE\nRun the engine at 2,000 rpm for at least 5 minutes.\n\n4. CHECK EXPANSION VALVE\nIf the expansion valve is clogged, the low pressure reading will drop to 0 kg/cm² (0 psi, 0 kPa), otherwise it will not drop.\n\nREMOVAL OF COOLING UNIT\n\n1. DISCONNECT NEGATIVE CABLE FROM BATTERY\n\n2. DISCHARGE REFRIGERATION SYSTEM\n\n3. REMOVE CHARCOAL CANISTER WITH BRACKET\n\n4. DISCONNECT SUCTION TUBE FROM COOLING UNIT OUTLET FITTING\n\n5. DISCONNECT LIQUID TUBE FROM COOLING UNIT INLET FITTING\n\nHINT: Cap the open fittings immediately to keep moisture out of the system.","image":"https://tsrm.sasquatchvc.com/images/mk3/AC/AC_033.png","url":"https://tsrm.sasquatchvc.com/mk3/tsrm/AC/33","prev":{"page":32,"url":"https://tsrm.sasquatchvc.com/mk3/tsrm/AC/32","api":"https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/32"},"next":{"page":34,"url":"https://tsrm.sasquatchvc.com/mk3/tsrm/AC/34","api":"https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/34"},"section_url":"https://tsrm.sasquatchvc.com/mk3/tsrm/AC","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/1","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/2","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/3","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/4","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/5","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/6","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/7","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/8","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/9","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/10","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/11","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/12","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/13","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/14","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/15","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/16","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/17","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/18","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/19","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/20","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/21","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/22","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/23","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/24","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/25","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/26","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/27","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/28","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/29","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/30","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/31","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/32","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/33","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/34","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/35","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/36","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/37","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/38","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/39","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/40","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/41","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/42","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/43","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/44","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/45","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AC/46"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}