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Table of Contents > Descriptions of work > High-voltage battery: checking charge level

VW Passat B8 Service Manual ➜ High-voltage battery: checking charge level

Passat 2015 ➤, Passat 2019 ➤, Passat Variant 2015 ➤, Passat Variant 2019 ➤  
Maintenance - Edition 11.2020  
Ensure adherence to prescribed temperature range during oil  
level check if oil temperature was not within prescribed temper‐  
ature range of 20°C to 40°C when topping up oil.  
The oil temperature can be measured using temperature gauge  
-VAS 6519-.  
If the oil temperature is not between 20 and 40°C, adherence  
to prescribed temperature range must be ensured by running  
gearbox warm or allowing it to cool down.  
Oil capacity and oil specification  
Oil capacity, 4MO‐ ⇒ Rear propshaft and final drive; Rep. gr. 00; Technical data; Capacities  
TION  
Oil specifications  
⇒ Electronic parts catalogue (ETKA)  
4.21  
High-voltage battery: checking charge  
level  
Checking charge level of high-voltage battery  
Charge level display of high-voltage battery is located in instru‐  
ment cluster.  
The charge level must be determined for the first time on vehi‐  
cle delivery.  
Note  
The high-voltage battery must be charged to at least 80% at  
pre-delivery inspection.  
During subsequent service inspections, the high-voltage bat‐  
tery will be charged fully only if requested by the customer.  
4.22  
Maintenance of high-voltage battery  
The high-voltage battery maintenance programme includes de‐  
termining the battery charge level ⇒ page 86 and, depending on  
Passat GTE without Active Info Display  
If the electric range is less than 10 km, the high-voltage battery  
has to be charged until the electric range indicator displays 25  
km at least.  
Passat GTE with Active Info Display  
If the charge level display indicates 1/4 or <1/4, the high-volt‐  
age battery has to be charged until the charge level display  
indicates 1/2 at least.  
4.23  
High-voltage battery: charging  
Note  
The high-voltage battery must be charged to at least 80% at  
pre-delivery inspection.  
During subsequent service inspections, the high-voltage bat‐  
tery will be charged fully only if requested by the customer.  
86  
4. Descriptions of work  
 

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