Preliminary Work
- Electric shock
- Short circuit
- Fire
- Explosion
→ Only appropriately trained and authorized persons may work on high-voltage vehicles and components.
→ Required qualification: High voltage technician or high voltage expert.
→ Observe national requirements and legislation for this work.
→ Always use insulated tools, such as an > VAS 6883 - insulated tool set when working on these parts.
→ Observe general warning notices for working on the high-voltage system.
> 2X00IN GENERAL WARNING NOTICES FOR WORKING ON THE HIGH-VOLTAGE SYSTEM
- If the HV battery control unit must be replaced, read out values before removal using > 9900 - PIWIS Tester 3 .
- Observe warning notes.
> 2X00IN GENERAL WARNING NOTES FOR WORKING ON THE HIGH-VOLTAGE VEHICLE ELECTRICAL SYSTEM
- Read instructions for performing maintenance tasks on e-hybrid vehicles.
> WM, 2X00IN ISOLATION FROM POWER SUPPLY PRIOR TO PERFORMING MAINTENANCE TASKS ON E-HYBRID VEHICLES
- Remove side trim panel for rear luggage compartment.
> WM, 700319 REMOVING AND INSTALLING SIDE TRIM PANEL FOR REAR LUGGAGE COMPARTMENT - Coupe or WM, 70031930 REMOVING AND INSTALLING SIDE TRIM PANEL FOR REAR LUGGAGE COMPARTMENT - Wagon
- Isolate the high-voltage system from the power supply.
> 2X00IN ISOLATING HIGH-VOLTAGE SYSTEM FROM POWER SUPPLY/STARTING HIGH-VOLTAGE SYSTEM
- Complete documentation.
- Remove high-voltage charger.
- Remove PASM control unit.