LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2017 >> i3 Range Extender >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> General Electrical System - Repair >> Plug Connection, Terminal, Power Distribution Box >> 61 13... Unlocking and disconnecting various plug connections in electrical and hybrid vehicles

61 13... Unlocking and disconnecting various plug connections in electrical and hybrid vehicles

IMPORTANT:

Observe the following instructions for handling high-voltage plug connections:

  • Damaged high-voltage plug connections must be replaced completely. Repair is not permitted.
  • Dirt contamination must be removed before opening the plug connection.

Disconnect the Hirschmann high-voltage connector: 

Press the lock (1) on the left and right on the connector in the direction of the arrow.

Pull off connector (2) in direction of arrow.

IMPORTANT:

Connector (2) is difficult to pull off.

In the event of damage to high-voltage connector (2), the complete high-voltage cable must be replaced.

Fig 1: Disconnecting Hirschmann High-Voltage Connector
G11103487Courtesy of BMW OF NORTH AMERICA, INC.

Connect the Hirschmann high-voltage connectors: 

Slide the connector (1) on in the direction of the arrow.

NOTE: Connector (2) must lock audibly.
Fig 2: Connecting Hirschmann High-Voltage Connector
G11103488Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect the Kostal high-voltage connector: 

Unlock and disconnect high-voltage interlock loop (1).

Fig 3: Disconnecting Kostal High Voltage Connector Interlock Loop
G11103489Courtesy of BMW OF NORTH AMERICA, INC.

Push the lock (1) fully to the front.

Lift the connector (2) and remove it entirely.

IMPORTANT:

Plug connection (3) is difficult to pull off.

The connector (2) must be completely pulled off the opposite housing in one step. Damage may be caused to contact protection if connector is only partly pulled off and then closed again.

Fig 4: Removing Kostal High Voltage Connector
G11103490Courtesy of BMW OF NORTH AMERICA, INC.

Check the Kostal high-voltage connector and connection for damage: 

Check the touch protection for damage and correct positioning (1).

WARNING: Do not touch unprotected connector (2).
If the contact protection (1) has been pushed to the bottom (2), the high-voltage connector must be refitted.
If contact protection (1) remains in bottom position (2) after reinstallation, the contact protection is faulty and the component must be replaced.
Fig 5: Identifying Kostal High Voltage Contact Protection And Connector Bottom
G11103491Courtesy of BMW OF NORTH AMERICA, INC.

Check the high-voltage connector (1) for damage.

WARNING: In the event of damage to the high-voltage connector (1), the complete high-voltage cable must be replaced.
Fig 6: Identifying High Voltage Connector
G09928434Courtesy of BMW OF NORTH AMERICA, INC.

Connect the Kostal high-voltage connector: 

Connect the connector (2) in one single movement to the counter-housing.

Push the lock (1) fully to the rear.

IMPORTANT:

Plug connection (3) must be correctly locked by lock (2), otherwise there is a risk of damage.

Fig 7: Connecting Kostal High Voltage Connector
G11103493Courtesy of BMW OF NORTH AMERICA, INC.

Connect the connector for the high-voltage interlock.

Fig 8: Connecting Kostal High Voltage Interlock Connector
G11103494Courtesy of BMW OF NORTH AMERICA, INC.

Three-phase high-voltage connector: 

Connect and disconnect the connector straight.

Fig 9: Disconnecting Three Phase High Voltage Connector
G11103495Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT:

The system is designed to only offer limited protection against damage caused by connectors that are inserted at an angle.

Increased tilted connections will increase the connecting force and the risk of danger.

Fig 10: Caution For Three Phase High Voltage Connector Damage
G11103496Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect the high-voltage connector from the high-voltage connection of the KLE: 

Slide lock (1) in direction of arrow up to stop.

Fig 11: Disconnecting KLE High Voltage Connector Lock
G11103497Courtesy of BMW OF NORTH AMERICA, INC.

Press lock (1).

Fig 12: Pressing KLE High Voltage Connector Lock
G11103498Courtesy of BMW OF NORTH AMERICA, INC.

Open the lock (1) completely and disconnect the connector (2).

Fig 13: Disconnecting KLE High Voltage Connector
G11103499Courtesy of BMW OF NORTH AMERICA, INC.

Connect the high-voltage connector to the high-voltage connection of the KLE: 

Connect the connector (1) to the limit position and close the lock (2).

IMPORTANT:

Lock (2) must snap audibly into place.

The retaining lug of the lock (2) must be positioned completely under the lock (2).

Fig 14: Connecting KLE High Voltage Connector
G11103500Courtesy of BMW OF NORTH AMERICA, INC.

Slide the lock (1) on to the stop in the direction of the arrow.

Fig 15: Sliding KLE High Voltage Connection Lock
G11103501Courtesy of BMW OF NORTH AMERICA, INC.

High-voltage connector on the high-voltage connection of the high-voltage battery unit: 

Press down unlocking (1) in direction of arrow and pull off connector in direction of arrow (2).

IMPORTANT:

Contact protection is no longer provided in the event of a damaged connector housing.

In this case, contact technical support.

Fig 16: Removing High Voltage Battery Unit Connector
G11103502Courtesy of BMW OF NORTH AMERICA, INC.

High-voltage connector on the cell module I01: 

Press unlocking device (1) together and pull off connector upwards (2).

IMPORTANT:

Contact protection is no longer provided in the event of a damaged connector housing.

In this case, contact technical support.

Fig 17: Pressing Cell Module High Voltage Connector Unlocking Device
G11103503Courtesy of BMW OF NORTH AMERICA, INC.

High-voltage connector on the cell module (cell module connecting line): 

Press unlocking (1) in direction of arrow and pull off connector in direction of arrow (2).

IMPORTANT:

Contact protection is no longer provided in the event of a damaged connector housing.

In this case, contact technical support.

Fig 18: Removing Cell Module High Voltage Connector
G11103504Courtesy of BMW OF NORTH AMERICA, INC.