Vauxhall Workshop Service and Repair Manuals > Astra H > D Heating, Ventilation, Air Conditioning (HVAC) | SAC Semi Automatic Climate Control | Schematic and Routing Diagrams | Block Diagram | Climate control (Rear electronic module)

E Front Wheel Suspension, Wheels and Tyres > < Climate control (Not rear electronic module)

Climate control (Rear electronic module)

Block Diagram Astra-H, model year 2008

Components
A1_A14	Control unit - Climate control	B135	Sensor - Air quality
A1_X125	Control unit - Underhood electronic module	L7	Clutch - Compressor, air conditioning
A1_X131	Control unit - Rear electrical module	M1_A14	Stepper motor - Air distribution flap
A12	Add-on heater	M2_A14	Stepper motor - Mixed air flap
A84	Control unit - Engine	M3_A14	Control motor - Recirculation flap
A105	Column integrated module	P3	Instrument
B1_A14	Sensor - Outlet temperature footwell	P6	Info Display
B2_A14	Sensor - Outlet air ventilation	S1_A14	Switch - Calibration signal air distribution flap
B23	Sensor - Temperature, outside	Y1_A13	Blower Regulator
B39	Sensor - Temperature, coolant	Y126	Independent heater
B77	Sensor - Sun intensity & Passenger compartment temperature

Connectors
X40	Diagnostic link

Abbreviations
30	Constant voltage	LSCAN	Low speed CAN-bus
31	Ground	MSCAN	Mid speed CAN-bus
HSCAN	High speed CAN-bus	SAC	Semi automatic air conditioning

D Heating, Ventilation, Air Conditioning (HVAC)
SAC Semi Automatic Climate Control / Schematic and Routing Diagrams
Block Diagram
Climate control (Rear electronic module)

E Front Wheel Suspension, Wheels and Tyres > < Climate control (Not rear electronic module)