Installing Control Unit For HV Battery

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WARNING: High voltage at the E-box

Danger of electric shock from live parts
Risk of serious burns or death

→ Work on the HV battery control unit may only be carried out by a high-voltage technician.

→ Always use insulated tools when working on the HV battery control unit.

→ Observe general warning notes for working on the high-voltage vehicle electrical system.

Plug in electric connector -6- with the HV battery wire harness at the control unit until the connector engages securely.

Fig 1: Installing HV Battery Control Unit And Electric Connectors
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Insert the HV battery control unit into the E-box and plug in both connectors -4- and -5- until they engage securely.

Fig 2: Installing HV Battery Control Unit
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Position HV battery control unit in the E-box.
Secure the ground strap (cable shoe) to the HV battery control unit in the E-box.
1. 4.1. Secure the HV battery control unit and ground strap using the two fastening screws -3- and the TORX Screwdriver Set VAS 6633 WE 1382 .
  
  Fig 3: Securing HV Battery Control Unit
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Secure the service disconnector mounting with the two fastening screws -2- .

Fig 4: Identifying Service Screws
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Plug electric connectors -1, 2, 3- into the HV battery control unit until the connectors engage securely.

Fig 5: Installing Electric Connectors
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit tie-wrap for the electric line -arrow- .
Before positioning the E-box cover, check the line routing of the HV battery wire harness from the E-box.
1. 8.1. The rubber sleeve -arrow- on the wire harness must be engaged properly in the E-box housing.
  
  Fig 6: Locating E-Box Wire Harness Sleeve
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit E-box cover and secure with the eight fastening screws -1- .

Fig 7: Installing E-Box Cover
Courtesy of PORSCHE CARS NORTH AMERICA, INC.