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Home >> Porsche >> 2021 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (27 Starter, Power Supply, Cruise Control 4.0L Turbo Hybrid -- 971 - PANAMERA (971)) >> WM, 279419 Removing And Installing HV Battery Control Unit >> Subsequent Work

Subsequent Work

WARNING: This page is about a different variant/trim than selected.
WARNING: Incorrect handling of high-voltage components 
  • 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

  1. Install PASM control unit.

    > 431619 REMOVING AND INSTALLING PASM CONTROL UNIT

  2. Install high-voltage charger.

    > 279719 REMOVING AND INSTALLING HIGH-VOLTAGE CHARGER 

  3. Install side trim panel for rear luggage compartment.

    > 700319 Removing and installing side trim panel for rear luggage compartment 

  4. Start the vehicle again and complete the relevant documentation.

    > 2X00IN Isolating high-voltage system from power supply/Starting high-voltage system 

    > 2X00IN Isolating high-voltage system from power supply/Starting high-voltage system (manual) 

  5. Complete documentation.

    > 2X00IN TEST LOG: STARTING THE HIGH-VOLTAGE SYSTEM

  6. If the HV battery control unit was replaced, teach the new HV battery control unit using > 9900 - PIWIS Tester 3  .

    > 279455 REPLACING CONTROL UNIT FOR HV BATTERY 

  7. Read out the fault memory and erase it if necessary.