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Home >> Porsche >> 2020 >> Taycan 4S >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> 91 Radio, On-Board Computer Park Assist -- Y1A - TAYCAN (Y1A) >> WM, 912519 Removing And Installing Control Unit For External Communication (Connection Box) >> Removing Control Unit For External Communication (Connection Box)

Removing Control Unit For External Communication (Connection Box)

NOTE: NOTIFICATION 
Voltage drop
  • Irreparable damage to control unit
  • Damage to control unit
  • Fault entries in the control unit
  • Control unit programming/coding is aborted
  • Malfunctions in the control unit, even during programming

    Switch off ignition before disconnecting the control unit.

    → Make sure that the power supply is not interrupted during programming/coding.

    → Connect the battery charger with at least > current 90  to the vehicle battery.

Information 

The terms "Ignition on" and "Starting engine" are re-defined for fully electric vehicles (battery electric vehicles - BEV).

Establishing operational readiness/Ignition on: 

Prerequisites for establishing operational readiness: High-voltage battery is sufficiently charged, remove vehicle charging cable from the vehicle charge port, put driver's key in the emergency start tray.

Establishing operational readiness automatically: Get into the vehicle and close the driver's door. The driver's key is recognized inside the vehicle. Operational readiness is established.

Establishing operational readiness manually: Press Start/Stop switch. The driver's key is recognized inside the vehicle. Operational readiness is established.

Establishing operational readiness/Starting engine: 

Establish operational readiness and engage transmission range. The vehicle is now ready to drive and can be moved.

Ending operational readiness/Switching off ignition 

Ending operational readiness automatically: Get out of the vehicle with the driver's key and close the driver door. The driver's key is no longer detected outside the vehicle. Operational readiness ends.

Ending operational readiness manually: Press Start/Stop switch until the instrument cluster is switched off.

Ending driving readiness/Stopping engine 

Vehicle is stationary: Press the button on the instrument cluster. The vehicle is parked.

Information 

Always comply with the regulations for handling ESD-sensitive components!

Information 

Cross-installation of the external communication control unit with the external communication control unit from another vehicle is not permitted and can result in damage to the software.

  1. Release and disconnect electric plug connections -1-  .
    G15566252Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connections

  2. Unscrew screws -2-  and guide out holder -3-  with control unit for external communication (connection box) -1-  .
    G15566253Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Control unit for external communication (connection box)

  3. Unscrew screws -2-  and remove control unit for external communication (connection box) -1-  from holder -3-  .
    G15566254Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Screws