83
1
2
3
4
5
6
7
8
10
9
G837
G904
N633
VX54 V620
JX1
G906
N632
N645
AX4
Z115
N635
AX1
V590
G902
G908G968
V617
G905
N634
V618
G907
2
1)
Key:
Cooled coolant
Heated coolant
1 Low-temperature cooler
2 Flow restrictor
3 Coolant expansion tank 2 (for high-voltage system)
4 Heating feed line
5 ATF cooler connection
6 Heating return line
7 Non-return valve
8 Heat exchanger for hybrid battery (chiller)
9 Heat exchanger for heat pump operation
10 Heat exchanger in air conditioner for cabin heating
AX1 Hybrid battery unit
AX4 High-voltage battery charger 1
G837 Low coolant level indicator sensor 2
G902 Coolant temperature sensor 1 for thermal management
G904 Coolant temperature sensor 3 for thermal management
G905 Coolant temperature sensor 4 for thermal management
G906 Coolant temperature sensor 5 for thermal management
G907 Coolant temperature sensor 6 for thermal management
G908 Coolant temperature sensor 7 for thermal management
G968 Coolant temperature sensor 8 for thermal management
JX1 Electric drive power and control electronics
N632 Coolant switching valve 1
N633 Coolant switching valve 2
N634 Coolant switching valve 3
N635 Coolant switching valve 4
N645 Coolant shuto valve 2
V590 Coolant pump for high-voltage battery
V617 Coolant pump for thermal management
V618 Coolant pump 2 for thermal management
V620 Coolant pump 4 for thermal management
VX54 3-phase AC drive
Z115 High-voltage heater (PTC)
649_023
System overview of the cabin heating circuit
1)
Component of the pipe assembly
ProCarManuals.com
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