Loosening Main Wire Harness Under Dashboard

NOTE: Incorrect handling of main wire harness

Risk of damage to lines
→ The main wire harness contains all airbag lines, antenna lines and optical waveguides.

→ The main wire harness must not be separated and is always replaced as a complete wire harness when carrying out extensive repairs.

→ If individual lines are damaged, shut off these lines and install new lines. Lay the new lines along the main wire harness and secure them to the main wire harness.

Disconnect electric wire harness for dashboard -1- .

1.1 Release and disconnect electric plug connections -2- at connection point for dashboard wire harness.

1.2 Disconnect electric wire harness for dashboard -1- and set it aside.

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Disconnecting electric wire harness for dashboard

Disconnect electric wire harness for the engine compartment at the right -1- .

2.1 Press locking lugs -2- and unclip rubber sleeve -3- on electric wire harness in engine compartment at the right -1- .
2.2 Make sure that all electric plug connections on the electric wire harness in the engine compartment at the right -1- are released and disconnected.
> Loosening and securing main wire harness in engine compartment
2.3 Make sure that all brackets are unclipped and released.

2.4 Pull electric wire harness from engine compartment at the right -1- through the bulkhead.

Disconnecting electric wire harness for engine compartment at the right

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Loosen holder for mounting for electric plug connections -1- on the A-pillar at the right.

3.1 Screw off nut -2- .

3.2 Unclip holder for mounting for electric plug connections from locking lugs -3- on the A-pillar.

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Loosening holder for mounting for electric plug connections

Press sound absorber -1- aside.

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Pressing sound absorber aside

Remove mounting housing for electric plug connection for door electrics -1- .

5.1 Release and disconnect electric plug connection for front door.
> 575119 REMOVING AND INSTALLING FRONT DOOR

5.2 Release mounting housing -1- (-arrow A- ) and remove it from the A-pillar.

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Removing mounting housing for electric plug connections for front door

5.3 Remove supply line for door electrics from the A-pillar.

Screw off nut -2- and remove ground line -1- from ground point on A-pillar at the right.

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Disconnecting ground line on A-pillar at the right
Loosen cable duct -1- and electric wire harness under the dashboard from the dashboard bracket -arrows A- .

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Cable duct and electric wire harness under dashboard
Unclip electric line for the accelerator pedal module -1- from clip -2- .

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Unclipping electric line for accelerator pedal module

Disconnect electric wire harness for the plenum panel -1- .

9.1 Make sure that all electric plug connections on the electric wire harness in the engine compartment at the centre for the plenum panel are released and disconnected.
> Loosening and securing main wire harness in engine compartment
9.2 Make sure that all brackets are unclipped and released.
9.3 Press rubber sleeve -2- through.

9.4 Pull electric wire harness (protected by a rubber boot) -1- from the centre of the engine compartment at the plenum panel through the bulkhead.

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Disconnecting electric wire harness for plenum panel

Disconnect electric wire harness for the engine compartment at the left -1- .

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Disconnecting electric wire harness for engine compartment at the left
1. 10.1 Press locking lugs and detach rubber sleeve -2- on electric wire harness for the engine compartment at the left -1- .
2. 10.2 Make sure that all electric plug connections on the electric wire harness for the engine compartment at the left are released and disconnected.
  > Loosening and securing main wire harness in engine compartment
3. 10.3 Make sure that all brackets are unclipped and released.
4. 10.4 Pull electric wire harness for the engine compartment at the left -1- through the bulkhead.

Loosen holder for mounting for electric plug connections -1- .

11.1 Screw off nut -2- .

11.2 Unclip holder for mounting for electric plug connections -1- from the A-pillar.

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Loosening holder for mounting for electric plug connections

Press sound absorber -1- aside.

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Pressing sound absorber aside

Disconnect ground line -1- on A-pillar at the left.

13.1 Screw off nut -2- .

13.2 Remove ground line -1- on A-pillar at the left from the ground point.

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Disconnecting ground line on A-pillar at the left

Unclip electric wire harness -1- from clips -2- at the edge of the roof.

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Unclipping electric wire harness at edge of roof

Unclip electric line for roof -1- from the A-pillar.

15.1 Release and disconnect electric plug connection -2- on loudspeaker on the A-pillar.
15.2 Unscrew and remove screws -3- .

15.3 Unclip electric line for roof -1- from clip -4- on the A-pillar.

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Unclipping electric line for roof from A-pillar

Remove electric plug connection for door electrics.

16.1 Release and disconnect electric plug connection for front door.
> 575119 REMOVING AND INSTALLING FRONT DOOR

16.2 Release mounting housing -1- (-arrow A- ) and remove it from the A-pillar.

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Removing mounting housing for electric plug connections for front door

16.3 Remove supply line for door electrics from the A-pillar.

Unclip electric line -1- and set it down in the passenger compartment -arrow A- .

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Unclipping electric line and setting it down in passenger compartment