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INSPECTION AND ADJUSTMENT HAC-5 < BASIC INSPECTION > [AUTOMATIC AIR CONDITIONER] C D E F G H J K L M A B HAC N O P If NG, listen for sound of air mix door motor operation. If OK, go to trouble diagnosis procedure for . If air mix door motor appears to be malfunctioning, go to Motor (Driver) Component Function Check" If OK, continue the check. CHECKING TEMPERATURE INCREASE 1. Rotate temperature control dial clockwise (drive or passenger) until 32 °C (90°F) is displayed. 2. Check for hot air at appropriate discharge air outlets. . If air mix door motor appears to be malfunctioning, go to Motor (Driver) Component Function Check" If OK, continue with next check. CHECK A/C SWITCH 1. Press A/C switch when AUTO switch is ON, or in manual mode. • Confirm that the compressor clutch engages (sound or visual inspection). NOTE: If current mode setting is DEF or D/F, compressor clutch will already be engaged and cannot be turned off. If NG, go to trouble diagnosis procedure for HAC-68, "Magnet Clutch Diagnosis Procedure" If OK, continue with next check. CHECKING AUTO MODE 1. Press AUTO switch. • If ambient temperature is warm, and selected temperature is cool, confirm that the compressor clutch engages (sound or visual inspection). (Discharge air and blower speed will depend on ambient, in-vehi- cle, and set temperatures.) If NG, go to trouble diagnosis procedure for HAC-87, "A/C Auto Amp Power and Ground Diagnosis Proce- , then if necessary, trouble diagnosis procedure for HAC-68, "Magnet Clutch Diagnosis Procedure" . If all operational checks are OK (symptom cannot be duplicated), go to malfunction Simulation Tests in 3, "How to Perform Trouble Diagnosis For Quick And Accurate Repair" and perform tests as outlined to simu- late driving conditions environment. If symptom appears. Refer to HAC-107, "Symptom Matrix Chart" , and perform applicable trouble diagnosis procedures. Operational Check (Rear) INFOID:0000000005147670 The purpose of the operational check is to confirm that the system operates properly. CHECKING REAR BLOWER MOTOR 1. Turn the ignition switch ON. HAC-53, "Rear Blower Motor Component Function Check" . If OK, continue with next check. CHECKING REAR DISCHARGE AIR Conditions : Engine running and at normal operating temperature |