Removing Main Wire Harness In Passenger Compartment - I

Removing Main Wire Harness In Passenger Compartment










33-34 Plug connection between main wire harness and wire harness for rear end
35-36 Plug connection between main wire harness and wire harness for engine
37 Connector for rear vertical sensor
38-39 DME control module connector
40 Rear luggage compartment ground point
41 Rear luggage compartment light connector
42 Angle sensor connector for HBA, rear
43 Rubber sleeve
44 Connector for auxiliary brake light
45-46 Plug connection for PASM, left and right
47 Motor connector for convertible-top compartment lid drive mechanism
48-49 Connector for tire pressure monitoring system antenna, left and right
50-51 Plug connection for ABS wire harness, rear left and right
52 Rubber sleeve
53 Rear window heating plug connection
54 Convertible top mechanism connector
55 Subwoofer connector
56-57 Connector for seat-belt tensioner, front left and right
58-59 Connector for airbag sensor, centre left and right
60-61 Connector for Park Assist control unit
62-64 Connector for rear end convenience systems control unit
65 Ground point under driver's seat
66-69 Connector for telephone control unit
70 Ground point under passenger's seat
71-72 Connector for front seat, left and right
73 Connector for driver's seat with memory
74 Connector for door sill button module
75-76 Plug connection between main wire harness and wire harness for door, left and right
77 Fuse box
78 Relay carrier
79-80 Connector for vehicle electrical system control unit
81 Connector for gateway control unit
82-83 Connector for KESSY/PAS control unit
84 Connector for stop light switch
85 Connector for pedal sensor
86 Plug connection between main wire harness and wire harness for centre console
87 Plug connection for telephone handset
88 Airbag control unit connector
89 Connector for parking-brake lever contact switch
90 Tiptronic position switch
91 Ground point under unit carrier
92 Connector for tilt sensor control unit
93 Power distributor
94-95 Plug connection between main wire harness and wire harness for heater/air-conditioning unit
96-97 Connector for garage door opener control unit
98 Connector for interior light
99 Latching hook microswitch connector
100 Plug connection for rain sensor
101- 102 Plug connection for make-up mirror, left and right
103- 107 Connector for antenna unit, left and right






1. Disconnect plug connections for main wire harness to rear wire harness -33 and 34-.
1.1. Release plug connections for main wire harness to rear wire harness -35 and 36- and -arrows A- disconnect.







2. Disconnect plug connections for main wire harness to engine wire harness.
2.1. Release plug connections for main wire harness to engine wire harness -arrows A- and disconnect -arrows B-.
2.2. Release sockets for main wire harness -arrows C- and push down from relay carrier -arrows D-.

3. Release connector for rear vertical sensor -37- and pull it off.
4. Release and pull off connector on DME control module -38 and 39-.







5. Loosen ground point in luggage compartment -40-.
5.1. Screw off fastening nut and remove ground strap.

6. Release and pull off connector on rear angle sensor for headlight beam adjustment -42-.
7. Remove rubber sleeves -43-.







8. Unclip main wire harness in rear luggage compartment.







9. Disconnect PASM plug connections -45 and 46- at left and right.
9.1. Remove PASM plug connections on the left and right from both holders -arrow B-, release -arrow a- and disconnect them -arrows C-.
9.2. Open both holders -arrow D- and take off from actuating cable.
9.3. Remove wire harness to engine for convertible-top compartment lid drive from the holder -arrow B-.

10. Release connector on engine for convertible-top compartment lid drive -47- and pull off.
11. Release and pull off connector on rear antenna for tire pressure monitoring system -48 and 49- at left and right.
12. Disconnect and expose ABS wire harness rear on left and right -50 and 51-.
12.1. Release and disconnect plug connection for wheel sensor at left and right.
12.2. Unscrew fastening screw of connector socket.
12.3. Release rear wire harness.







13. Unclip the main wire harness in the area of the rear left spring strut.
14. Release rear window heating plug connection -53- and disconnect.
15. Release connector on convertible top mechanism -54- and pull off.
16. Pull off connector on front seat-belt tensioner -56 and 57- at left and right.







17. Unclip main wire harness to the left side wall.
17.1. Unclip main wire harness to the left side wall -arrow A-.
17.2. Unclip cable duct to the left side wall -arrow B-.







18. Loosen cable duct to the left side wall.
18.1. Unclip main wire harness to the bottom of the B-pillar -arrow A-.
18.2. Take out cable duct upwards out of the rear wall plate -arrow B-.

19. Release and pull off connector for airbag sensor, centre left and right -58 and 59-.
20. Release and pull off connector for Park Assist control unit -60 and 61-.
21. Release and pull off connector for rear end convenience systems control unit -62 to 64-.







22. Loosen ground point under the driver's seat -65-.
22.1. Screw off fastening nut and remove ground straps.







23. Unclip ground point under driver's seat.







24. Release and remove connectors for telephone control unit -66 to 69-.
24.1. Unclip wire harness for telephone control unit.







25. Loosen ground point under the passenger's seat -70-.
25.1. Screw off fastening nut and remove ground straps.







26. Unclip wire harness at door sill.
27. Disconnect the plug connection between main wire harness and wire harness for door, left and right -75 and 76-.
28. Release and pull off connector for gateway control unit -81-.
29. Release and pull off connectors for KESSY/PAS control unit -82 and 83-.
30. Release and pull off connector for stop light switch -84-.
31. Release and pull off connector for pedal sensor -85-.







32. Loosen ground point under the unit carrier -91-.
32.1. Screw off fastening nut and remove ground straps.

33. Release and pull off connector for tilt sensor control unit -92-.
34. Disconnect plug connections between main wire harness and wire harness for heater/air-conditioning unit -94 and 95-.







34.1. Release lower plug connection on heater/air-conditioning unit -arrows a- and unplug.







34.2. Release upper plug connection on heater/air-conditioning unit -arrows a- and unplug.







34.3. Cut tie-wraps (main wire harness to heater/air-conditioning unit wire harness) with side cutters. Remove main wire harness.

35. Release and disconnect plug connection for rain sensor -100-.
36. Disconnect plug connection of make-up mirror, left and right -101 and 102-.







36.1. Unclip plug connection from console -arrow B-.
36.2. Release plug connection -arrow a- and disconnect it -arrows C-.







37. Unclip cable duct at front of roof frame.







38. Unclip main wire harness at front of roof frame.







39. Remove main wire harness from A-pillar- area A-.
40. Pull off connector for antenna amplifier, left and right -103 to 107-.







41. Loosen ground points on dashboard bracket.
41.1. Unscrew fastening nuts and remove ground straps.







42. Unclip length compensation at the steering column.
42.1. Remove expansion rivet and length compensation.







43. Unclip cable guide on dashboard bracket.







44. Loosen holder for relay carrier.
44.1. Unscrew the two fastening screws and remove the relay carrier holder from the dashboard bracket.







45. Loosen main wire harness at left dashboard bracket.
45.1. Screw off fastening nut and remove fastening screw.
45.2. Unclip main wire harness on cable guide.







46. Loosen main wire harness at right dashboard bracket.
46.1. Unclip main wire harness on both cable guides.







47. Loosen main wire harness at centre dashboard bracket.
47.1. Undo the four tie-wraps and remove main wire harness.