SAFARI BSVI - SERVICE MANUAL

HVAC 28 PINOUT Pin NO. Rotation from max Hot to max Cool Position Rotation from max Cool to max Hot Position 1 +Ve (Pot.) +Ve (Pot.) 2 Feedback Signal From pot. to Con- trol Panel Feedback Signal From pot. to Control Panel 3 Ground (Pot) Ground (Pot) 4 NC NC 5 Motor +Ve Motor Grd. 6 Motor Grd. Motor +Ve MODE ACTUATOR The mode actuator is a high-torque, bi-directional actuator with position feedback and is used to control the position of air distribution flap, according to the mode set by the user. The outputs are fully compati- ble with all physical aspects of directly driving a motor such as the occurrence of transients at motor turn-off due to back EMF. The Mode control will be functional throughout the Ignition is On. Mode knob controls the servomotor. When the knob is turned from Chest/ Chest-Leg/Leg Mode to Leg- Defrost/ Defrost Mode, the Air Inlet door is moved to the Fresh Air Mode and Power A/C is selected. On turning the knob back to Chest/ Chest-Leg/Leg Mode from Leg Defrost/ Defrost Mode, the last selected settings are restored (provided that there has been no user intervention in between). The Mode knob Rotary ring Total Rotation Span is 270° with 5 detents, each of 67.5° (between de- tents), including both the end positions. The Position of the mode actuator is based on the Knob position of the Control Panel during the Ignition ON / OFF. PINOUT Pin NO. Rotation from Face to Def. Posi- tion Rotation from Def. to Face Posi- tion 1 Ground (Pot) Ground (Pot) 2 Feedback Signal From pot. to Con- trol Panel Feedback Signal From pot. to Con- trol Panel 3 +Ve (Pot.) +Ve (Pot.) 4 NC NC 5 Motor Grd. Motor +Ve 6 Motor +Ve Motor Grd.