Description and operation DescriptionThe intake actuator is located at the blower unit. It regulates the intake door by a signal from the control unit.
Components and components location Components[This illustration shows the LHD type. RHD type is symmetrical.][Connector A] Pin No Function Pin No Function 1Low (Register specifications)4Middle Low (Register specifications)2Common (Register specifications)5Middle High (Register specifications)3Ground (Register specifications)6High (Register specifications)[Connector B] Pin No Function Pin No Function 1Battery (+)21IGN22ISG B+22IGN13ILL+ (TAIL)23Blower IS (PWM specifications)4Sensor REF (+5V)24-5Mode control actuator (Feedback)25-6Temperature control actuator (Feedback)26-7Intake actuator (Feedback)27Blower Max.
Repair procedures Oil Specification1.The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.
Repair procedures Inspection1.Connect the battery voltage and check the blower motor rotation.Replacement1.Disconnect the negative (-) battery terminal.2.Disconnect the blower motor connector (A) and then remove the blower motor (B) after loosening the screws.