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Home >> Porsche >> 2016 >> Panamera 4S >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> 27 - Starter, Power Supply, Cruise Control -- PANAMERA (970) >> WM 279419 Removing And Installing Control Unit For HV Battery (PANAMERA S E-Hybrid, PANAMERA S Hybrid) >> Preliminary Work

Preliminary Work

  1. If a new control unit has to be installed, the values must be read out using PIWIS Tester II 9818  prior to removing the "old" control unit. → 279455 REPLACING CONTROL UNIT FOR HV BATTERY 
  2. Observe warning notes. → 2X00IN GENERAL WARNING NOTES FOR WORKING ON THE HIGH-VOLTAGE ELECTRICAL SYSTEM
  3. Remove high-voltage battery. → Removing High-Voltage Battery 
  4. Remove high-voltage battery fuse. → Removing High-Voltage Battery Fuse 
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