{"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":21,"pages_in_section":111,"title":"Air Conditioning","section_header":"Air Conditioning System — Troubleshooting","ocr_text":"AC–21\n\nAIR CONDITIONING SYSTEM – TROUBLESHOOTING\n\nTrouble Area | Memory*5 | See page\n\n• Room temp. sensor\n• Harness or connector between room temp. sensor and A/C amplifier\n• A/C amplifier\n(8.5 min. or more) | AC–28\n\n• Ambient temp. sensor\n• Harness or connector between ambient temp. sensor and A/C amplifier\n• A/C amplifier\n(8.5 min. or more) | AC–30\n\n• Evaporator temp. sensor\n• Harness or connector between evaporator temp. sensor and A/C amplifier\n• A/C amplifier\n(8.5 min. or more) | AC–32\n\n• Engine coolant temp. sensor\n• Harness or connector between coolant temp. sensor and A/C amplifier\n• A/C amplifier\n(8.5 min. or more) | AC–34\n\n• Solar sensor\n• Harness or connector between sensor and A/C amplifier\n• A/C amplifier\n(8.5 min. or more) | AC–36\n\n• Compressor drive belt  • Compressor lock sensor  • Compressor\n• Harness and connector between A/C amplifier and compressor, compressor lock sensor\n• A/C amplifier\n— | AC–38\n\n• Pressure switch\n• Harness or connector between pressure switch and A/C amplifier\n• Refrigerant pipe line\n• A/C amplifier\n— | AC–40\n\n• Air mix damper position sensor  • A/C amplifier\n• Harness or connector between air mix damper position sensor and A/C amplifier\n(1 min. or more) | AC–42\n\n• Air outlet damper position sensor  • A/C amplifier\n• Harness or connector between max cool damper position sensor and A/C amplifi-\n(1 min. or more) | AC–48\n\n• Air mix damper control servo motor  • Air mix damper position sensor\n• Harness and connector between A/C amplifier and air mix position sensor\n• Harness and connector between A/C amplifier and air mix damper control servo motor  • A/C amplifier\n(15 secs. or more) | AC–42\nAC–44\n\n• Air outlet damper control servo motor  • Air outlet damper position sensor\n• Harness and connector between A/C amplifier and air outlet position sensor\n• Harness and connector between A/C amplifier and air outlet damper motor\n• A/C amplifier\n(15 secs. or more) | AC–48\nAC–50\n\nHINT:  *4  Compressor lock (A/C light blink) is indicated only for a current malfunction. (See page AC–38)\n\nTo confirm the trouble indication, perform the following steps.\n(1) With the engine ON, enter the trouble code check mode.\n(2) Press the R/F switch to enter actuator check mode, and set the operation to Step No. 3.\n(3) Press the AUTO switch to return to diagnostic sensor check mode.\n(4) The A/C light starts to blink after approx. 3 secs.\n\n*5  The A/C amplifier memorizes the trouble code of the respective malfunction when it occurs for period of time indicated in the 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