ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
1 - Coolant connection
2 - Electrical connector for
electrical system
3 - 12 V voltage supply
❑ Positive terminal
❑ 20 Nm
4 - High-voltage electrical
connector
5 - Coolant connection
6 - 12 V voltage supply
❑ Negative terminal
❑ 20 Nm
7 - Nut
❑ Qty. 4
❑ 8 Nm
8 - Voltage converter -A19-
❑ ⇒ Rep. gr. 93; Re‐
moving and installing
voltage converter, rear-
wheel drive
16.3
Removing and installing voltage con‐
verter, rear-wheel drive
16.3.1
Removing and installing voltage con‐
verter
The voltage converter -A19- will henceforth be referred to as
“voltage converter”.
Removing
DANGER
High voltage can cause fatal injury.
Danger of severe or fatal injuries from electric shock or elec‐
tric arcs.
– Have a high-voltage technician (HVT) or a high-voltage
expert (HVE) de-energise the high-voltage system.
– ⇒ Rep. gr. 93; De-energising high-voltage system.
272
Rep. gr.93 - Electric drive systems
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
– Remove air intake unit of heater and air conditioning unit
⇒ Heating, air conditioning; Rep. gr. 87; Front heater and air
conditioning unit; Removing and installing air intake unit of
heater and air conditioning unit.
– Disconnect battery ⇒ Electrical system; Rep. gr. 27; Battery;
Disconnecting and connecting battery.
– ⇒ Rep. gr. 19; Draining coolant.
– Disconnect coolant hoses -2- from voltage converter.
– Disconnect high-voltage electrical connector -3- from voltage
converter.
– Fold up positive cable cap -5-.
– Unscrew bolts -4-.
– Unscrew bolts -arrows-.
Installing
Install in reverse order of removal, observing the following:
– ⇒ Rep. gr. 19; Filling cooling system
WARNING
High voltage can cause fatal injury.
Danger of severe or fatal injuries from electric shock or elec‐
tric arcs.
– Have a high-voltage technician (HVT) or a high-voltage
expert (HVE) re-energise the high-voltage system.
– ⇒ Rep. gr. 93; Re-energise high-voltage system.
Tightening torques
♦ ⇒ Rep. gr. 93; Assembly overview – voltage converter, rear-
wheel drive
16. Voltage converter
273
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
16.4
Removing and installing voltage con‐
verter, all-wheel drive
16.4.1
Removing and installing voltage con‐
verter
The voltage converter -A19- will henceforth be referred to as
“voltage converter”.
The charging unit 1 for high-voltage battery -AX4- will hence‐
forth be referred to as “charging unit”.
Removing
DANGER
High voltage can cause fatal injury.
Danger of severe or fatal injuries from electric shock or elec‐
tric arcs.
– Have a high-voltage technician (HVT) or a high-voltage
expert (HVE) de-energise the high-voltage system.
– ⇒ Rep. gr. 93; De-energising high-voltage system.
– Disconnect battery ⇒ Electrical system; Rep. gr. 27; Battery;
Disconnecting and connecting battery.
– Remove charging unit ⇒ Rep. gr. 93; Removing and instal‐
ling charging unit 1 for high-voltage battery [AX4], rear-wheel
drive.
– Unscrew bolts -1-.
– Detach voltage converter with bracket -2- from charging unit.
– Unscrew bolt -3-.
274
Rep. gr.93 - Electric drive systems
2024 VW ID.4 Owner's Manual
