Diagnosis instructions

After installing a new auxiliary battery, the service function for registering battery replacement must be run. This is necessary to inform the electrical machine electronics (EME) that a new auxiliary battery has been installed in the vehicle. All measured data of the battery condition are reset.

The diagnosis system provides the following service functions for the high-voltage battery and the starter unit:

• Start-up of the high-voltage battery
• Evaluating the battery state of charge
• Auxiliary battery: Register battery replacement

Path: Service functions > Body > Voltage supply > Hybrid vehicle 

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