Operation CHARM: Car repair manuals for everyone.

Hybrid Drive Systems: Service and Repair



61 13 ... Unlock And Disconnect Various Plug Connections In Hybrid Vehicles







IMPORTANT:
Observe the following instructions for handling high-voltage plug connections:
- Damaged high-voltage plug connections must be replaced and must not be repaired.
- Dirt contamination must be rinsed off before opening the plug connection







Electric air conditioning compressor (EKK):
Slide locking pin (1) in direction of arrow as far as the stop.







Press locking pin (1) upwards and pull off connector (2) in direction of arrow.







Electric motor ECU (A/C compressor high-voltage connection):
Press lock (1) up to stop.
Detach plug connection (2) in direction of arrow.







Installation note:
Push (1) up to stop.
Push lock (2) up to stop.

IMPORTANT:
Lock (2) must snap audibly into place.
Pull test of whether plug connection is latched.







Electric motor ECU (high-voltage connection):
Unfasten plug connection (1) and disconnect.
Pull locks (2) of plug connection (3) to stop in direction of arrow.

Installation note:
Connector (3) must be correctly engaged by catch (2).







Carefully lift retaining lugs (1) and pull lock (2) further to stop.







Lock must be opened to the point where screws (1) are visible.
Pull off connector (2) upwards.

NOTE: Connector (2) is difficult to pull off.







Electric motor ECU (signal connection):
Slide lock (1) in direction of arrow up to stop.
Unplug connector (2).

Installation note:
Connector (2) must be correctly engaged by catch (1).