ID.4 2021 ➤, ID.5 2021 ➤
Maintenance - Edition 11.2021
Specified torque
Nm
20
Bolt for securing bracket
– If fitted, open cover over battery positive terminal.
– Check battery terminal clamps -1- and -3- for secure seating.
If necessary, retighten nuts -2- and -4-.
Specified torque
Nm
6
Nut for battery terminal
Carry out following procedures after connecting battery:
Procedure
⇒ Electrical system; Rep. gr. 27; Battery; Disconnecting and
connecting battery
4.5
Battery (12V): checking
Use only vehicle diagnostic tester to check battery in ID.4 / ID.5.
Test and adjustment conditions
•
•
•
Charge level (SOC) of battery ≥80%.
Visual check carried out.
Battery terminal clamps checked for secure seating.
Procedure
– Visually inspect condition of exterior, connections, firm seat‐
ing, plugs of vent openings (negative terminal side open and
positive terminal side closed) and electrolyte level indicator
of battery.
– If electrolyte level is too low (indicator »clear/light yellow«),
renew battery.
– Battery (12V): check battery terminal clamp for secure seat‐
ing.
– Connect vehicle diagnostic tester ⇒ page 12 .
24
4. Descriptions of work
ID.4 2021 ➤, ID.5 2021 ➤
Maintenance - Edition 11.2021
– Determine charge level (SOC).
Determining charge level (SOC), version 1
♦ Select tab “Special functions”
♦ Select »Service work«
♦ Select »Assess charge level«
Determining charge level (SOC), version 2
♦ Select »My test«
♦ Select »12V electrical system« or »Service work«
♦ Select »Assess charge level«
– If charge level of 12V battery <80%, charge battery with ex‐
ternal battery charger ⇒ Electrical system; Rep. gr. 27; Bat‐
tery; Charging battery or charge 12V battery via high-voltage
battery.
– If charge level of battery ≥80%, check battery with Vehicle
diagnostic tester.
Battery check, version 1
♦ Select tab “Special functions”
♦ Select »Service work«
♦ Select »Perform battery check«
Battery check, version 2
♦ Select »My test«
♦ Select »12V electrical system« or »Service work«
♦ Select »Perform battery check«
4.6
Status of battery (12V): reading - send‐
ing diagnosis protocol via online con‐
nection
Note
Applies only to vehicles with start/stop and energy recovery
system
Procedure
Status of battery is read out during service work for vehicle
handover ⇒ page 65 .
4.7
Front passenger front airbag: checking
key switch and “ON/OFF function”
Note
The “PASSENGER AIRBAG ON/OFF” switch is located in the
dashboard on the front passenger side.
Front passenger front airbag: checking key switch and “ON/OFF
function”.
– Using ignition key, turn switch to position “PASSENGER
AIRBAG OFF”.
4. Descriptions of work
25
2024 VW ID.4 Owner's Manual
