ID.4 2021 ➤, ID.3 2020 ➤
Electric rear-wheel drive EIP220 and all-wheel drive EIA200, EIP220 - Edition 11.2021
– Remove battery module ⇒ Rep. gr. 93; Overview of fitting
locations – battery modules, 48, 55 kWh.
– Start autonomous software.
Note
The autonomous software will guide the user through the re‐
maining work steps regarding the charging/ discharging proce‐
dure with the module balancer -VAS 6910-.
4.19
Renewing lower part of battery housing
Removing
– ⇒ Rep. gr. 93; Visual inspection of high-voltage battery 1
[AX2].
– ⇒ Rep. gr. 93; Diagnosis of high-voltage battery 1 [AX2].
– Remove high-voltage battery 1 -AX2- ⇒ Rep. gr. 93; Re‐
moving and installing high-voltage battery 1 [AX2], 48, 55,
62 kWh.
– ⇒ Rep. gr. 93; Leakage test of high-voltage battery 1 [AX2].
– ⇒ Rep. gr. 93; Opening high-voltage battery 1 [AX2].
– ⇒ Rep. gr. 93; Voltage and insulation measurement.
– ⇒ Rep. gr. 93; Opening electrical circuit, 48, 55 kWh.
– Remove connecting element ⇒ Rep. gr. 93; Removing and
installing connecting element, 48, 55 kWh.
– Remove battery regulation control unit -J840- ⇒ Rep.
gr. 93; Removing and installing battery regulation control unit
[J840].
– Remove switching unit for high-voltage battery, negative ter‐
minal -SX7- ⇒ Rep. gr. 93; Removing and installing switch‐
ing unit for high-voltage battery, negative terminal [SX7], 48,
55, 65 kWh.
– Remove switching unit for high-voltage battery, positive ter‐
minal -SX8- ⇒ Rep. gr. 93; Removing and installing switch‐
ing unit for high-voltage battery, positive terminal [SX8], 48,
55, 62 kWh.
– Remove battery modules control unit ⇒ Rep. gr. 93; Remov‐
ing and installing battery modules control unit.
– Remove battery modules alternately ⇒ Rep. gr. 93; Remov‐
ing battery module.
– Remove potential equalisation lines on high-voltage bat‐
tery 1 -AX2- ⇒ Rep. gr. 93; Overview of fitting locations –
potential equalisation lines, all-wheel drive.
Installing
– Renew lower part of battery housing.
– Install potential equalisation lines to high-voltage battery 1
-AX2- ⇒ Rep. gr. 93; Overview of fitting locations – potential
equalisation lines, all-wheel drive.
Important
•
When installing the battery modules, always install one bat‐
tery module completely, and then proceed with the next one.
– ⇒ Rep. gr. 93; Installing battery module.
– Install battery modules control unit ⇒ Rep. gr. 93; Removing
and installing battery modules control unit.
160
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
– Install switching unit for high-voltage battery ⇒ Rep. gr. 93;
Removing and installing switching unit for high-voltage bat‐
tery, negative terminal [SX7], 48, 55, 65 kWh⇒ Rep. gr. 93;
Removing and installing switching unit for high-voltage bat‐
tery, positive terminal [SX8], 48, 55, 62 kWh.
– Install battery regulation control unit -J840- ⇒ Rep. gr. 93;
Removing and installing battery regulation control unit
[J840].
– Clean contact surfaces of connecting element.
– Install connecting element ⇒ Rep. gr. 93; Removing and
installing connecting element, 48, 55 kWh.
– Close electrical circuit ⇒ Rep. gr. 93; Opening electrical cir‐
cuit, 48, 55 kWh.
– ⇒ Rep. gr. 93; Voltage and insulation measurement.
NOTICE
The upper part of battery housing in the repair kit serves as
means of transport protection.
If reused, leakage of the high-voltage battery is possible.
– Renew upper part of battery housing.
– Renew upper part of battery housing.
– ⇒ Rep. gr. 93; Sealing high-voltage battery 1 [AX2], 48, 55,
62 kWh.
– ⇒ Rep. gr. 93; Checking warning stickers.
– ⇒ Rep. gr. 93; Leakage test of high-voltage battery 1 [AX2].
– Install high-voltage battery 1 -AX2- ⇒ Rep. gr. 93; Removing
and installing high-voltage battery 1 [AX2], 48, 55, 62 kWh.
– ⇒ Rep. gr. 93; Diagnosis of high-voltage battery 1 [AX2].
– ⇒ Rep. gr. 93; Visual inspection of high-voltage battery 1
[AX2].
– Carry out road test.
4. High-voltage battery unit
161
2024 VW ID.4 Owner's Manual
