ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
1 - Voltage converter -A19-
2 - Charging unit 1 for high-
voltage battery -AX4-
❑ With control unit for
high-voltage battery
charging unit -J1050-
3 - Three-phase current drive
-VX54-
❑ With power and control
electronics for electric
drive -JX1-
4 - Coolant hose
❑ Equipment version de‐
pending on vehicle ver‐
sion
5 - High-voltage battery 1 -
AX2-
6 - Coolant pump for high-
voltage battery -V590-
7 - Coolant pump for low-tem‐
perature circuit -V468-
8 - Mixing valve for high-
voltage battery pre-heating -
V683-
9 - Power and control elec‐
tronics 2 for electric drive -
JX4-
10 - PTC heater element 3 -
Z132-
11 - Radiator
12 - Heat exchanger for high-
voltage battery
13 - Thermostat
14 - Coolant expansion tank
2.3
Overview of fitting locations – cooling
system, rear-wheel drive
2.3.1
Overview of fitting locations – cooling system
50
Rep. gr.19 - Cooling
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
1 - three-phase current drive
-VX54-
❑ ⇒ Rep. gr. 10; Explo‐
ded view - motor (rear)
❑ ⇒ Rep. gr. 10; Remov‐
ing rear motor
❑ ⇒ Rep. gr. 10; Installing
rear motor
2 - Temperature sensor -G18-
❑ At top of charging unit 1
for high-voltage battery
-AX4- in hose connec‐
tion
❑ ⇒ Rep. gr. 19; Remov‐
ing and installing tem‐
perature sensor [G18]
3 - Charging unit 1 for high-
voltage battery -AX4-
❑ With control unit for
high-voltage battery
charger -J1050-
❑ ⇒ Rep. gr. 93; Remov‐
ing and installing charg‐
ing unit 1 for high-volt‐
age battery [AX4], rear-
wheel drive
4 - Power and control elec‐
tronics for electric drive -JX1-
❑ ⇒ Rep. gr. 93; Remov‐
ing and installing power
and control electronics
for electric drive, rear-
wheel drive
5 - Mixing valve for high-
voltage battery pre-heating -
V683-
❑ ⇒ Rep. gr. 19; Removing and installing mixing valve for high-voltage battery pre-heating [V683]
6 - Mixing valve 2 for high-voltage battery pre-heating -V696-
❑ Depending on equipment/version
❑ ⇒ Rep. gr. 19; Removing and installing mixing valve 2 for high-voltage battery [V696] pre-heating, heat
pump
7 - Coolant temperature sender 2 for high-voltage battery -G899-
❑ Battery outlet (return)
❑ ⇒ Rep. gr. 19; Removing and installing coolant temperature sender 2 for high-voltage battery G899
8 - Coolant temperature sender 1 for high-voltage battery -G898-
❑ Battery inlet (supply)
❑ ⇒ Rep. gr. 19; Removing and installing coolant temperature sender 1 for high-voltage battery G898
9 - Coolant pump for low-temperature circuit -V468-
❑ ⇒ Rep. gr. 19; Removing and installing coolant pump for low-temperature circuit [V468]
10 - Voltage converter -A19-
❑ ⇒ Rep. gr. 93; Removing and installing voltage converter, rear-wheel drive
11 - Heater element (PTC) 3 -Z132-
❑ ⇒ Heating, air conditioning; Rep. gr. 87; Coolant circuit; Removing and installing PTC heater element 3
[Z132]
2. Cooling system/coolant
51
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
12 - Radiator module
❑ ⇒ Rep. gr. 19; Removing and installing radiator module
13 - Heat exchanger for high-voltage battery
❑ ⇒ Heating, air conditioning; Rep. gr. 87; Refrigerant circuit; Removing and installing heat exchanger
for high-voltage battery
14 - Coolant expansion tank
❑ With coolant shortage indicator sender -G32-
❑ ⇒ Rep. gr. 19; Removing and installing coolant expansion tank
15 - Thermostat
❑ ⇒ Rep. gr. 19; Assembly overview – cooling system, rear-wheel drive
16 - Coolant pump for high-voltage battery -V590-
❑ ⇒ Rep. gr. 19; Removing and installing coolant pump for high-voltage battery [V590]
2.4
Overview of fitting locations – cooling
system, all-wheel drive
2.4.1
Overview of fitting locations – cooling system
52
Rep. gr.19 - Cooling
2024 VW ID.4 Owner's Manual
