61A-8
MR-413-X44-61A000$500_eng.mif
V1
61A
HEATING
Fault finding - Function
Summary of components controlled by the heating control panel and passenger compartment fan:
Ventilation unit
Passenger com-
partment blower
Resistor unitRecirculation
flapDistribution flapMixing flap
Actuator control
User control panel
User request
management (heated
rear screen button
pressed)
Button lighting (heated
rear screen button)
Passenger
compartment blower
operation signal
(running or stopped)
UCH
Transmission of the
request to switch on
the heated rear screen
Key:
Wire connections =
Multiplex connections =
Mechanical connections =
(Cable controls)
Vehicle
multiplex
network
MR-413-X44-61A000$500_eng.mif
