Installing the engine wiring harness for sensor system 2

• Guide in and install the engine wiring harness (1) for sensor system 2  .
• Connect and lock the connector of the DME control unit.
• Connect and lock the connector of the integrated power supply module (PDM).
• Connect the connector to the heating element of the crankcase ventilation system and lock.
• Connect the connector of the electrical wastegate valve actuator and lock.
• Connect the connector of the blow-off valve to the exhaust turbocharger and lock.
• Connect the connector of the intake camshaft sensor and lock.
• Connect the connector of the exhaust camshaft sensor and lock.
• Connect and lock the connector of the rail pressure sensor.
• Connect and lock the connector for the tank vent valve.
• Connect and lock the connector of the hot film air mass meter.

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• Connect the connector of both VANOS solenoid actuators and lock.
• Connect connector on high pressure pump and lock.
• Connect and lock the connector of the Lambda oxygen sensor.
• Connect the connector of the monitoring oxygen sensor and lock.
• Make sure that all connectors engage audibly.
• Guide in and install the wiring harness section (2) for sensor system 2  .
• Make sure that wiring harness section (2) for sensor system 2  is positioned correctly on cylinder head cover (arrows).
• Tighten down screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Wiring harness section for engine to cylinder head cover
  M6	Tightening torque	8 Nm

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• Guide in and install the wiring harness section (2) for sensor system 2  .
• Make sure the holder (1) engages audibly.

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• Insert and install the wiring harness section (2) for the Valvetronic servomotor in the direction of the arrow.
• Ensure that the locking mechanisms (1) engage audibly.

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• Feed in wiring harness section (3) for injectors and ignition coils in arrow direction and install.
• Ensure that the locking mechanism (2) engages audibly.
• Insert and install the positive battery cable (1).

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• Insert and install the positive battery cable (2) on the holder (3).
• Insert and install the battery positive terminal (1).
• Tighten the battery positive terminal (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Positive battery terminal to battery
  Nut M6	tightening torque	5 Nm

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• Connect and lock the connector (1).
• Make sure the connector (1) engages audibly.

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• Connect connector (1) in the direction of the arrow and lock.
• Make sure the connectors (1) engage audibly.

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• Connect and lock the connector (1).
• Make sure the connector (1) engages audibly.
• Insert and install the connector (1) to the E-box (2) in the direction of the arrow.

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• Feed cover (2) in arrow direction into guides (3) and install.
• Ensure that the cover panel (2) audibly engages in the guides (3).
• Tighten down screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Cover panel to E-box
  RF5x26.5	Tightening torque	25 Nm

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• Insert and install the tension strut (2).
• Tighten down screws (1).

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Follow-up work 

• Refer to PREPARING FOR THE INSTALLATION OF THE CLEAN AIR PIPE .
• Refer to INSTALLING CLEAN AIR PIPE .
• Refer to INSTALLING THE REAR FIREWALL .
• Refer to INSTALLING THE UPPER FIREWALL COVER PANEL .
• Refer to INSTALLING FRONT WINDSHIELD PANEL COVER .
• Refer to INSTALLING THE REAR HOOD SEAL .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE STRUT BRACE .
• Refer to INSTALLING INTAKE SILENCER HOUSING .
• Refer to INSTALLING THE INTAKE MANIFOLD FOR THE INTAKE FILTER HOUSING .
• Refer to CONNECTING THE BATTERY EARTH LEAD .