Loosening Main Wire Harness In Passenger Compartment At The Left
- 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.
- Release and disconnect electric plug connection for airbag sensor at the rear door sill.
- Unclip holder -1-
for electric plug connection for rear seat.
Unclipping holders
- Release and disconnect electric plug connection for airbag triggering unit.
- Unclip line bracket -1-
(-arrows-
) and guide out electric line -2-
for airbag triggering unit.
Unclipping line bracket
- Unclip locking lugs -arrows-
and remove cable cover -1-
on rear inner sill.
Removing cable cover
- Release and disconnect electric plug connection for head airbag.
- Unclip line bracket -1-
and set electric line for head airbag -2-
down in the footwell.
Unclipping line bracket
- Release and disconnect electric plug connection on rear door.
- Disconnect electric line for door electrics.
- Screw off nut -1-
on ground point at the bottom of the B-pillar and remove ground lines -2-
.
Unscrewing nut
- Release and disconnect electric plug connection for left seat-belt pretensioner.
> WM, 691119 REMOVING AND INSTALLING REVERSIBLE SEAT-BELT PRETENSIONER, FRONT
- Unclip locking lugs -arrows-
and remove cable cover -1-
on front inner sill.
Removing cable cover
- Cut tie-wrap -2-
.
Cutting tie-wraps
- Release electric connectors -1-
for left seat connection and remove them from the holder.
Disconnecting electric connectors
- Loosen fuse box under front seat.
- Screw off nut -1-
and remove fuse carrier -2-
.
Unscrewing nut
- Unclip line bracket -1-
and set electric line for air vent -2-
down in the footwell.
Unclipping line bracket
- Unclip main wire harness -1-
at the front inner sill -arrows-
.
Unclipping main wire harness
- Release and disconnect electric plug connection for front-end electronics control unit.
> 944919 REMOVING AND INSTALLING CONTROL UNIT FOR FRONT-END ELECTRONICS
- Release and disconnect electric plug connection for airbag sensor on the A-pillar.
- Unclip locking lugs -arrows-
and remove cable cover -1-
at the A-pillar.
Removing cable cover
- Disconnect electric connectors at the A-pillar (connection point for wire harness for dashboard).