Removing the electrical machine electronics

• All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
• For additional information see:

  61 00... SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .

• For additional information see:

  61 25... NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

Preliminary work 

• Refer to REMOVE FLAP IN LUGGAGE COMPARTMENT TRIM PANEL ON RIGHT .
• Refer to DE-ENERGIZE THE HIGH-VOLTAGE SYSTEM .
• Refer to CHECK THAT NO VOLTAGE IS APPLIED .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to BRING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
• Refer to DRAIN THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to REMOVE THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
• Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
• Refer to REMOVE LEFT AND RIGHT WIPER ARM .
• Refer to REMOVE THE COWL COVER .
• Refer to REMOVING TRAILING LINK AT SPRING BOLT .
• Refer to REMOVING RIGHT SEALING FRAME .

Connection overview for electrical machine electronics (EME) 

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• Release screw (1)  of the potential equalization line.
• Release the screw (2)  of the battery earth lead.
• Unclip the battery ground lead.

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• Unlock and disconnect signal line connector (1)  .

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• Unclip the high-voltage cable (2)  and unlock and disconnect the connector.
• Release the screws (3)  of the tension relief.

• Unlock and disconnect the connector of the high voltage cable (4)  .
• Detach the rubber grommet of the high-voltage cable (4)  .
• Loosen screws (1)  and remove the tension relief upper section.

• Loosen screws (2)  and pull the connector of the high voltage cable off straight upwards.

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Partially removing the front power distribution box positive battery cable 

• Loosen the cover (1)  and (2)  at the detents.
• Remove the cover (1)  and (2)  in an upwards direction.

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• Unscrew the nut (1)  and unclip and feed out the corresponding cable.
• Loosen the screw (2)  and remove the terminal cover from the power distribution box (3)  .
• Loosen the nut (3)  and pull the terminal cover off the power distribution box (3)  .

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• Loosen screws (1)  .
• Loosen screw (2)  .

» The power distribution box (3)  can be shifted to install and de-install the electrical machine electronics.

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• Loosen screw (1)  .
• Pull coolant line (2)  on the electrical machine electronics off.
• Pull coolant line (3)  on the electrical machine electronics off.

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Remove the cover for the fresh air inlet 

• Unlock the cover (1)  for the fresh air inlet and remove.

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• Loosen screw (1)  .
• Unclip covers (2)  on the units compartment and release the screws underneath.

• Guide electrical machine electronics carefully out of the units compartment.

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