Removing the engine wiring harness for sensor system 1

Preliminary work

Refer to DEACTIVATING VEHICLE ELECTRICAL SYSTEM .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING INTAKE PORT .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING TANK VENT VALVE .
Refer to REMOVING CROSS CONNECTION .
Refer to REMOVING THE FAN COWL WITH ELECTRIC FAN .
Refer to REMOVING INTAKE PLENUM .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION WITH THE THRUST FIELD .

Engine wiring harness for sensor system 1

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Precondition

Battery is disconnected.

NOTE: RISK OF DAMAGE
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.

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 expanding rivet (arrow).
Remove the mounting for the gasket (1) .

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Release screws (arrows) and remove tension strut (1) .

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Release the battery positive 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.

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Loosen screw (1) .
Unlock the cover panel (2) and feed out of the guides (3) in the direction of the arrow and remove.

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Feed connector (1) in arrow direction out of E-Box (2) and remove.
Unlock and loosen connector (1) .

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Unlock and remove the connector (1) in the direction of the arrow.
Feed out connector (1) and place to one side.

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Unlock and loosen connector (1) .

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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.

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Unlock the locks (1) .
Feed out the wiring harness section (2) for the
Valvetronic servomotor in the direction of the arrow and set aside.

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Unlock and loosen holder (1) .
Feed wiring harness section (1) for sensor system 1 out, and place to side.

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Unlock the lock (1) .
Feed wiring harness section (3) for sensor system 1 out of guide (2) , and place to side.

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Unlock the locking mechanism (1) .
Guide out and remove holder (2) .

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Feed out coolant line (1) and place to one side.

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Loosen screws (1) .
Feed engine wiring harness (2) for sensor system 1 out, and place to side.
Loosen screw (3) .
Feed out ground cable (4) and set it aside.

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Unlock and release the connector of the DME control unit.
Unlock and release the connector of the integrated power supply module (PDM).
Unlock and detach the connector of the boost pressure on the intake plenum.
Unlock and loosen the connector of the heat management module.
Unlock and release connector of coolant temperature sensor on cylinder head.
Unlock and loosen the connectors of the knock sensors.
Unlock and detach the connector of the temperature sensor at the cylinder head.
Unlock and detach the connector of the oil pressure switch.
Unlock and detach the connector of the hydraulic valve.
Unlock and detach the connector of the crankshaft sensor.
Unlock and release connector of boost pressure sensor on throttle valve.
Unlock and detach the connector on the throttle valve.
Unlock and detach the connector of the alternator.
Unlock and detach the connector of the air conditioning compressor.
Unlock and release connector of coolant temperature sensor on coolant radiator.
Feed engine wiring harness (1) for sensor system 1 out and remove.

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