{"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":26,"pages_in_section":111,"title":"Matrix Chart of Problem Symptoms","section_header":"Air Conditioning System — Troubleshooting","ocr_text":"AC–26\nAIR CONDITIONING SYSTEM – TROUBLESHOOTING\n\nMATRIX CHART OF PROBLEM SYMPTOMS\n\nIf a normal code is displayed during the diagnostic sensor check but the trouble still occurs, perform trouble-\nshooting for each problem symptom, checking the circuits for each symptom in the order given in the table\nbelow (Proceed to the page given for each circuit).\n\nSee page\nAC-28\nAC-30\nAC-32\nAC-34\nAC-36\nAC-38\nAC-40\nAC-42\nAC-44\nAC-46\nAC-48\nAC-50\n\nSuspect Area\nRoom temp. sensor circuit\nAmbient temp. sensor circuit\nEvaporator temp. sensor circuit\nEngine coolant temp. sensor circuit\nSolar sensor circuit\nCompressor lock sensor circuit\nPressure switch circuit\nAir mix damper position sensor circuit\nAir mix damper control servo motor circuit\nAir inlet damper control servo motor circuit\nAir outlet damper position sensor circuit\nAir outlet damper control servo motor circuit\n\nSymptom\n\nWhole functions of the A/C system does not operate.\n\nAir Flow Control\nNo blower operation                                    3\nNo blower control\nInsufficient air flow\n\nTemperature Control\nNo cool air comes out              9    10   11   12        6    5    7    8\nNo warm air comes out              4     5    6                        2    3\nOutput air is warmer or colder than the set\ntemperature or response is slow    7     8    9   10    6             11   12   13\nNo temperature control\n(only Max. cool or Max. warm)      2     3                             4    5\n\nNo air inlet control                                                              1\n\nNo air outlet control                                                                  1    2\n\nEngine idle up does not occur, or is continuous\n\nBlinking of A/C indicator                                         2\n\nTrouble code not recorded.\nSet mode is cleared when IG switch is turned 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