ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
13.2
Assembly overview – charging unit for
high-voltage battery, all-wheel drive
13.2.1
Assembly overview – charging unit for high-voltage battery
256
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
1 - 12 V voltage supply
❑ Positive terminal
2 - 12 V voltage supply
❑ Negative terminal
3 - Bolt
❑ 20 Nm
4 - Voltage converter -A19-
❑ ⇒ Rep. gr. 93; Re‐
moving and installing
voltage converter, rear-
wheel drive
5 - Bracket
6 - Bolt
❑ Qty. 4
❑ 8 Nm
7 - Bolt
❑ Qty. 4
❑ 20 Nm
8 - Bolt
❑ Qty. 3
❑ 8 Nm
9 - Bolt
❑ 8 Nm
10 - Bolt
❑ Qty. 2
❑ 8 Nm
11 - Potential equalisation line
12 - High-voltage electrical
connector
13 - Bolt
❑ Qty. 4
❑ 8 Nm
14 - Electrical connector for electrical system
15 - Bracket for charging unit 1 for high-voltage battery -AX4-
16 - High-voltage electrical connector
17 - Potential equalisation line
18 - Coolant hose
19 - Charging unit 1 for high-voltage battery -AX4-
❑ ⇒ Rep. gr. 93; Removing and installing charging unit 1 for high-voltage battery [AX4], rear-wheel drive
20 - Bracket for voltage converter -A19-
21 - Electrical connector for electrical system
22 - High-voltage electrical connector
23 - Coolant hose
13. Charging unit for high-voltage battery
257
ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
13.3
Removing and installing charging
unit 1 for high-voltage battery [AX4],
rear-wheel drive
13.3.1
Removing and installing charging
unit 1 for high-voltage battery [AX4]
Special tools and workshop equipment required
♦ drip tray -VAS 6208-
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.
– ⇒ Rep. gr. 19; Draining coolant.
– Remove rear underbody cladding ⇒ General body repairs,
exterior; Rep. gr. 66; Underbody cladding; Removing and
installing rear underbody cladding.
– Remove rear centre underbody cladding ⇒ General body re‐
pairs, exterior; Rep. gr. 66; Underbody cladding; Removing
and installing rear centre underbody cladding.
– Remove skid plate ⇒ General body repairs, exterior; Rep.
gr. 66; Underbody cladding; Removing and installing skid
plate.
– Loosen anti-roll bar ⇒ Running gear, axles, steering; Rep.
gr. 42; Anti-roll bar; Removing and installing anti-roll bar.
– Place drip tray -VAS 6208- under rear section of vehicle.
258
Rep. gr.93 - Electric drive systems
2024 VW ID.4 Owner's Manual
