GL 320 CDI (164.822) V6-3.0L DSL Turbo (642.940) (2008)
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Defrost function
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Rear window heater
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Residual engine heat utilization system
The AAC control and operating unit takes over control of the following:
Discreet:
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Coolant circulation pump (M13)
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Refrigerant compressor (A9)
Via the Control Area Network bus, class B (interior compartment) (CAN B):
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Heated rear window (R1) via rear SAM control module (N10/8)
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Engine and A/C electric suction fan with integrated control (M4/7) via the central gateway control unit (N93) on the ME control unit N3/10)
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Recirculated air actuation for windows and tilting/sliding roof (SR) (left front door control unit (N69/1), right front door control unit (N69/2),
front SAM control unit (N10), rear SAM control unit and overhead control panel control unit (N70)
Via Local Interconnect Network (LIN):
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Blower regulator (A32n1)
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Fresh air flap/recirculated air flap actuator motor (M2/5)
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Left blending air flap actuator (M2/6)
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Right blending air flap actuator (M2/7)
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Rear shutoff flap actuator motor (M2/12)
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Footwell flap actuator motors left and right (M2/15)
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Defroster vent flap actuator motors left and right (M2/16)
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Rear air distribution flap actuator motor (M2/21)
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Center air outlet flap actuator motor (M2/22)
The following sensor signals are read in by the AAC control and operating unit:
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In-car temperature sensor
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Evaporator temperature sensor (B10/6)
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Center rear interior temperature sensor (B10/7)
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Sun sensor (B32)
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Left side outlet temperature sensor (B10/31)
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Right side outlet temperature sensor (B10/32)
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Left center outlet temperature sensor (B10/33)
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Right center outlet temperature sensor (B10/34)
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Left footwell temperature sensor (B10/35)
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Right footwell temperature sensor (B10/36)
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Outside temperature indicator temperature sensor (B10/5)
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Refrigerant pressure sensor (B12)
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Emissions sensor (B31)
Via CAN B:
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Overhead control panel control unit
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Rain/light sensor (B38/2)
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EIS control unit (N73)
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Circuit status
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Central gateway control unit and via ME control unit
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Motor speed
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Coolant temperature sensor (B11/4)
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Instrument cluster (A1)
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Vehicle speed
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C. 58d
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Left front door control unit, right front door control unit and front SAM control unit
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Position of side windows
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Rear SAM control unit
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Status of rotary tumbler in doors
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Overhead control panel control unit
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Position of tilting/sliding roof
Control possibilities
Left temperature selector wheel/right temperature selector wheel
The desired temperature setting for the left and right sides can be set by turning the associated temperature selector wheel.
