Specifications

Wiring Diagrams Component Locations
Caution!
When disconnecting and reconnecting battery
terminals, observe all applicable Notes and torque
specifications, as well as instructions on performing
OBD program and electrical system function checks as
specified in
.
Repair Manual, Electrical Equipment, Repair Group
27, Batter
y
, disconnectin
g
and reconnectin
g
On Board Dia
g
nostic
(
OBD
)
, functions
Multi-function Steering Wheel Control Module has On
Board Diagnostic (OBD) capability. If malfunctions occur in
monitored components, Diagnostic Trouble Codes (DTC)
will be stored in memory.
Troubleshoot Multi-function Steering Wheel Control Module
malfunctions by performing OBD program using Vehicle
Diagnosis, Testing and Information System VAS
5051/5052 in operating mode "Guided Fault Finding" .
Multi-function Buttons (on steering wheel) E440 E441,
removin
g
and installin
g
, removin
g
and installin
g
Removal and installation of left and right buttons is
identical.
Removing:
Warning!

Special safety precautions apply to vehicles
equipped with airbags
.
Repair Manual, Body Interior, Repair Group 69,
Safet
y
p
recautions

Electrostatically discharge yourself before
working on the airbag unit. This can be
accomplished by touching an grounded metal
ob
j
ect such as a water
p
i
p
e, heater
p
i
p
e or metal
Pa
g
e 2 / 6Multi-Function Steerin
g
Wheel