Removing engine wiring harness for sensor system 2
Preliminary work
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING REAR HOOD SEAL .
- Refer to REMOVING FRONT WINDSHIELD PANEL COVER .
- Refer to REMOVING THE UPPER FIREWALL COVER PANEL .
- Refer to REMOVING THE INTAKE MANIFOLD FOR INTAKE SILENCER HOUSING .
- Refer to REMOVING INTAKE SILENCER HOUSING .
- Refer to REMOVING SUSPENSION CROSS-BRACE .
- Refer to REMOVING THE REAR FIREWALL .
- Refer to REMOVING CLEAN AIR PIPE .
Engine wiring harness for sensor system 2
Precondition
Battery is disconnected.
NOTE:
RISK OF DAMAGE
Damage to wires when disconnecting connectors and plug connections .
Sheared wires can cause a short circuit .
Damage to wires when disconnecting connectors and plug connections .
Sheared wires can cause a short circuit .
- Do not pull on wires when disconnecting connectors and plug connections.
NOTE:
RISK OF DAMAGE
Electrostatic discharge .
Damage to or destruction of electrical components .
Electrostatic discharge .
Damage to or destruction of electrical components .
- Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
- Read and comply with user information on using the associated special tool 12 7 060.
- Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
- Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
- For additional information see: NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .
- Loosen screws (1).
- Guide out the tension strut (2) upwards and remove.
- Detach positive battery terminal (1).
- Guide out the battery positive terminal (1) and place to the side.
- Guide the positive battery cable (2) out of the holder (3) and lay to one side.
- Loosen screw (1).
- Unlock the cover (2) and feed out of the guides (3) in the direction of the arrow and remove.
- Feed connector (1) in arrow direction out of E-Box (2) and remove.
- Unlock and loosen connector (1).
- Unlock and remove the connector (1) in the direction of the arrow.
- Feed out connector (1) and place to one side.
- Unlock and loosen connector (1).
- Thread out positive battery cable (1) and set it aside.
- Unlock lock (2).
- Feed wiring harness section (3) for injectors and ignition coils out in arrow direction, and place to side.
- Unlock the locks (1).
- Feed out the wiring harness section (2) for the Valvetronic servomotor in the direction of the arrow and set aside.
- Unlock and loosen holder (1).
- Feed out the wiring harness section (1) for the sensor system 2
and put it aside.
- Loosen screw (1).
- Feed wiring harness section (1) for sensor system 2
out of cylinder head cover (arrows), and place to side.
- Unlock and release the connector of the DME control unit.
- Unlock and release the connector of the integrated power supply module (PDM).
- Unlock the connector at the heating element of the crankcase ventilation system and release.
- Unlock the connector of the electric wastegate valve actuator and release.
- Unlock connector of the blow-off valve on the exhaust turbocharger and disconnect.
- Unlock the connector of the intake camshaft sensor and release.
- Unlock the connector of the exhaust camshaft sensor and release.
- Unlock and detach the connector of the rail pressure sensor.
- Unlock and detach the connector of the tank vent valve.
- Unlock and detach the connector of the hot film air mass meter.
- Connect the connector of both VANOS solenoid actuators and release.
- Unlock connector on high pressure pump and detach.
- Unlock connector of Lambda oxygen sensor and release.
- Unlock the connector of the monitoring oxygen sensor and release.
- Feed out engine wiring harness (1) for sensor system 2 and remove it.