{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"AC","section_name":"Air Conditioning","page":39,"pages_in_section":111,"title":"Inspection Procedure","section_header":"Air Conditioning System — Troubleshooting","ocr_text":"AC–39\nAIR CONDITIONING SYSTEM – TROUBLESHOOTING\n\nINSPECTION PROCEDURE\n\n1 Check compressor.\n\nP (1) Check compressor drive belt tension.\n(2) Check the compressor does not lock during operation with engine started and blower switch\nand A/C switch ON.\n\nOK\nNG Adjust drive belt tension or repair compressor.\n\n2 Check compressor lock sensor.\n\nP Disconnect compressor lock sensor connector\n\nC Measure resistance between terminals 1 and 2 of\ncompressor lock sensor connector.\n\nOK Resistance: at 20°C (68°F): 160 ~ 210\n\nNC9020\n\nOK\nNG Replace compressor lock sensor.\n\n3 Check for open and short harness and connector between A/C amplifier\nand room temperature sensor (See page IN–30).\n\nOK\nNG Repair or replace harness or connector.\n\nProceed to next circuit inspection shown on matrix\nchart (See page AC–26). 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