Table of Contents > Status of battery (12V): reading - sending diagnosis protocol via online connection

VW ID.4 Maintenance ➜ Status of battery (12V): reading - sending diagnosis protocol via online connection

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  

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