Electricdrivesystems -> 6.1.2 Classification of lithium-ion high-voltage batteries with aid of ODIS for Your Volkswagen Crafter Van Second Generation (2017-2025)

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High-voltage system - General information - Edition 02.2021  
Classification procedure  
♦ Classification is carried out with software-support by means  
of “Guided Functions” via ODIS (Offboard Diagnostic Infor‐  
mation System).  
♦ Among other things, measured values of cell voltages and  
temperature sensors are collected, the event memory is in‐  
terrogated and communication with the battery regulation  
control unit is checked.  
♦ Classification via ODIS can be carried out not only with the  
lithium-ion high-voltage battery fitted in the vehicle but also  
with the high-voltage battery removed.  
♦ Execution in the latter case requires additional, model-spe‐  
cific adapters (tools) (see Part 2 “Classification of lithium-ion  
high-voltage batteries with aid of ODIS”).  
♦ In all instances, only the HVE is able to reclassify the battery  
according to specific assessment scenarios.  
♦ Further details can be gleaned from the respective workshop  
manual.  
Procedural diagram  
Visual,  
Criteria:  
1 Signs of fire?  
2 Sparks, smoke, vapour noticeable?  
3 Noise from high-voltage battery (e.g. crackling)?  
4 Pungent smell?  
sensory,  
function,  
electric  
and ther‐  
mal as‐  
sessment  
5 Fluid leak or suspected fluid in high-voltage bat‐  
tery system?  
6 Severe mechanical damage to high-voltage bat‐  
tery?  
7 Temperature and cell voltage measurement?  
8 Functional check in high-voltage battery?  
Rating NORMAL (not critical)  
WARNING (critical)  
DANGER (dangerous)  
6.1.2  
Classification of lithium-ion high-volt‐  
age batteries with aid of ODIS  
To classify the condition of a lithium-ion high-voltage battery  
that has been removed and isolated from the vehicle system,  
the following special tools are required:  
Special tools and workshop equipment required  
30  
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High-voltage system - General information - Edition 02.2021  
♦ High-voltage diagnostic box -VAS 5581-  
♦ “Professional” diagnosis unit -VAS 6150E-  
♦ Adapter cable -VAS 5581/1-1- or adapter cable -VAS  
5581/1-1A-  
♦ Adapter cable -VAS 5581/3- or adapter cable -VAS 5581/3A-  
♦ Adapter cable -VAS 5581/5-  
Procedure  
Assessment of condition – high-voltage battery fitted in vehicle  
– Connect ⇒ Vehicle diagnostic tester to vehicle.  
Procedure in ODIS  
– Open ODIS.  
– Continue with Start diagnosis .  
– Select manual in the window for manual entry of the basic  
vehicle characteristics.  
– Remove tick from Work with Guided Fault Finding .  
– Select “8C Hybrid battery management” entry from control  
unit list.  
Right-click to call up options.  
– Select 8C-Assessment of condition .  
– Confirm with Run .  
Following the instructions and answer the questions about the  
condition of the high-voltage battery all the way to the end.  
– Select Protocol .  
– Select Save .  
– Select Long protocol in dialogue window.  
Note  
The long protocol includes the interrogated measured values.  
– Confirm with OK .  
– Save the protocol as an HTML file along with all of the nec‐  
essary data.  
6. High-voltage battery  
31  
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High-voltage system - General information - Edition 02.2021  
Assessment of condition – high-voltage battery removed from  
vehicle  
Note  
The following process steps exemplify the initial steps of diag‐  
nosis for assessment of a removed lithium-ion high-voltage bat‐  
tery with the aid of ODIS.  
– Connect high-voltage diagnostic box -VAS 5581- -3- with  
vehicle-specific test adapters -2- to communication plug of  
high-voltage battery -1-.  
– Switch on high-voltage diagnostic box -VAS 5581- -3-.  
– Activate terminal 15 F1 .  
– Activate terminal 30 F2 .  
– Set CAN-R select to “120-R” using the F3 button.  
– Connect to ⇒ Vehicle diagnostic tester via remote diagnosis  
head -VAS 5054A- or USB cable.  
Note  
Instructions are provided to the user via ⇒ Vehicle diagnostic  
tester on how to proceed with assessment of the condition of  
the high-voltage battery removed from the vehicle.  
Perform all work steps as described on ⇒ Vehicle diagnostic  
tester.  
Procedure in ODIS  
– Open ODIS.  
– Continue with “Start diagnosis”.  
Note  
The system automatically searches for the corresponding VIN.  
However, since battery diagnosis is being carried out on a re‐  
moved high-voltage battery, no VIN can be found.  
– Confirm the fault message with request to identify vehicle  
manually with OK .  
– Select manual in the window for manual entry of the basic  
vehicle characteristics.  
32  
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High-voltage system - General information - Edition 02.2021  
– Enter VIN from vehicle.  
– Remove tick from Work with Guided Fault Finding .  
– Confirm message for confirmation that “Guided Fault Find‐  
ing” should be deselected with Yes .  
– Select “8C Hybrid battery management” entry from control  
unit list.  
Right-click to call up options.  
– Select Guided Functions .  
– Select Identify control unit to facilitate communica‐  
tion.  
Note  
If the control unit is not found, identify manually.  
– Right-click on “8C Hybrid battery management” to call up  
options again.  
– Select Assessment of condition of high-voltage  
battery .  
– Confirm with Run .  
Following the instructions and answer the questions about the  
condition of the high-voltage battery all the way to the end.  
– Select Protocol .  
– Select Save .  
– Select Long protocol in dialogue window.  
Note  
The long protocol includes the interrogated measured values.  
– Confirm with OK .  
– Save the protocol as an HTML file along with all of the nec‐  
essary data.  
6.2  
High-voltage battery handling and stor‐  
age  
The lithium-ion high-voltage batteries are deemed to be hazard‐  
ous materials. Transport and storage are subject to certain re‐  
strictions that may vary depending on country-specific require‐  
ments. Different types of packaging are required according to  
the lithium-ion high-voltage battery classification.  
Intermediate storage of lithium-ion high-voltage batteries  
♦ The lithium-ion high-voltage battery must not be intermedi‐  
ately stored in the open or directly in the working area.  
♦ The lithium-ion high-voltage battery must be protected  
against mechanical and thermal influences as well as mois‐  
ture.  
♦ When the battery is intermediately stored, it must be in a  
location which is not accessible to non-authorised workshop  
personnel or customers. (e.g. storeroom/warehouse)  
6. High-voltage battery  
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