BMW 3: Electrical Heating
BMW 3 Series G20 (2018-2026) Training manual / Electrical Heating
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Installation locations and connections
G20 PHEV, heater circuit
Electric coolant pump
Connection to the coolant circuit
Heat exchanger for heating system
Electrical heating
Electrical changeover valve
Connections at the elect
Operating principle
If the driver adjusts a desired temperature at the IHKA controls, the IHKA
calculates a corresponding
nominal temperature and compares it to the actual output temperature of the
electrical heating.
Low coolant temperature
When the coolant temperature is low, for example after driving off, or in
all-electric driving, the electric
changeover valve is activated by the Body Domain Controller (BDC). The
electrical changeo
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LED displays
Blue
The mobile phone is charging.
The blue LED stays illuminated once
the inserted mobile phone with Qi capability
is fully charged.
Orange
The mobile phone is not charging.
Temperature on the mobile phone
possibly too high or foreign object in
charging tray.
Red
The mobile phone is n
Warning with braking function
Display
A warning symbol appears in the instrument
cluster and in the Head-up Display, where available,
if a collision with a detected vehicle is imminent.
Danger of collision with
vehicle
crossing from the right.
Danger of collision with
vehicle
crossing from the left.
Danger of collisi
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