62C-22
V1
MR-453-X79-62C000$050.mif
CLIMATE CONTROL
Fault finding – Function
62C
Summary diagram of components controlled or managed by the UCH:
Summary diagram of components controlled or managed by the injection computer:
UCH
Engine injection computer
Key:
Wire connections =
Rear screen de-icing and rear-view
mirror de-icer (depending on
version)
Actuator control
Heated rear screen control
management
Relay No. 1 for
Passenger
compartment
Heating
Relay No. 2
for Passenger
compartment
Heating
Air
conditioning
compressor
Engine cooling
fan assembly
Engine coolant
temperature
sensor
Air temperature
sensor
(inlet)
Refrigerant
pressure sensor
Actuator control Sensor management
Management of the cold loop (refrigerant pressure, engine cooling fan activation request,
compressor activation authorisation.)
Vehicle wire
network
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