Tightening torques

AIRBAGS

Driver frontal airbag module screw: 0.7.

Combination switch / clockspring assembly: 0.4.

Front passenger frontal airbag module screw on dashboard cross member: 0.3.

Front passenger frontal airbag module nut on dashboard: 0.6.

Rear side airbag module mounting screw: 0.3.

Curtain airbag mounting screw (*): 0.5.

SENSORS AND CONTROL UNIT

Airbag control unit mounting nut: 0.8.

Side impact sensor mounting screw: 0.8.

SEAT BELTS AND PRETENSIONERS

Front pretensioner mounting screws: 3.2.

Rear pretensioner mounting screws: 3.2.

PERIPHERAL COMPONENTS

Steering wheel (*): 8.

(*) Screws or nuts to be replaced after each removal.

Wiring diagrams

KEY

See explanations and how to read a diagram in the 'Electrical equipment' chapter.

ABBREVIATIONS

AKSE. Automatic child seat detection
CAN. Controller Area Network (data bus).

COMPONENTS

A53/1. Left sidebag and windowbag sensor
A54/1. Right sidebag and windowbag sensor
B41/1. Front passenger seat occupancy sensor
B48. Occupant detection and child seat, front passenger seat
B48/1. Driver frontal acceleration sensor
B48/2. Front passenger frontal acceleration sensor
F55/3. Fuse box 3, 9-way
F55/3f20. Fuse 20
F55/5. Fuse box 5, 9-way
F55/5f37. Fuse 37
N2/7. Restraint systems control module
N80. Steering column shroud module
R12/1. Driver belt tensioner igniter
R12/2. Front passenger belt tensioner igniter
R12/4. Front passenger airbag igniter 1
R12/5. Front passenger airbag igniter 2
R12/6. Rear right belt tensioner igniter
R12/7. Rear right belt tensioner igniter
R12/11. Rear left sidebag igniter
R12/12. Rear right sidebag igniter
R12/13. Driver airbag igniter 1
R12/14. Driver airbag igniter 2
R12/20. Front left sidebag igniter
R12/21. Front right sidebag igniter
R12/22. Rear left windowbag igniter
R12/23. Rear right windowbag igniter
S68/1. Driver seat belt buckle switch and belt warning
S68/2. Front passenger seat belt buckle switch and belt warning
S68/11. Rear left seat belt buckle switch
S68/12. Rear right seat belt buckle switch
S68/14. Rear centre seat belt buckle switch
S100. Front passenger seat-mounted seat detection switch
U1. Applicable to USA
U12. Applicable to left-hand drive
U13. Applicable to right-hand drive
U592. Applicable to restraint systems with windowbag
U596. Applicable to rear sidebag
U848. Applicable to AKSE child seat detection
U859. Applicable to belt warning
U860. Applicable to Maxivario pack
W26. Restraint systems control module ground
X30/7. Potential distributor connector (CAN)
W36. Right floor ground
W37. Left floor ground
X55/3. Driver seat connector bar
X55/4. Front passenger seat connector bar
X55/5. Rear left seat adjustment connector bar
X55/6. Rear right seat adjustment connector bar.

COLOUR CODES

BK: Black
BN: Brown
BU: Blue
GN: Green
GY: Grey
PK: Pink
RD: Red
TR: Transparent
VT: Violet
WH: White
YE: Yellow

Airbags (1/2)

Airbags (2/2)

Seat belt tensioners

Airbag and pretensioner control module (1/3)

Airbag and pretensioner control module (2/3)

Airbag and pretensioner control module (3/3)