CONTROLS - SIGNALS
Rotary switch under steering wheel
This makes the electrical connection between the
steering column and the steering wheel.
It consists of a strip of conductor tracks (airbag)
whose length is designed to guarantee 2.5
steering wheel turns (steering lock plus safety
margin) on each side.
REMOVAL - REFITTING
84
- the horn connector, if fitted,
- the steering wheel bolt,
- the steering wheel after setting the wheels
straight,
- the half cowlings (3 bolts).
Disconnect the connector for the rotary switch
and remove it after removing the three mounting
bolts (E).
Before removing the rotary switch its position
must be noted:
- by ensuring that the wheels are straight on re-
moval so that the track may be positioned in
the centre,
- by immobilising the rotary switch rotor using
adhesive tape.
If it is being replaced, the new part is supplied rea-
dy centred by an adhesive label which will tear off
as soon as the steering wheel is turned for the first
time (fit with the wheels straight).
12970R3
Disconnect the battery.
Remove:
- the airbag cushion by the two torx T30 bolts
(tightening torque : 0.5 daN.m) located behind
the steering wheel and disconnect the connec-
tor (D),
IMPORTANT: It is not permitted to operate the
pyrotechnical systems (airbags and pretensioners)
near a source of heat or flame as there is a risk of
triggering.
IMPORTANT : If the steering wheel is removed,
the airbag connector (D)
MUST be disconnected.
The airbag has a connector which short circuits if
it is disconnected to prevent incorrect triggering.
12973R
84-4
WIRING
Airbags and seat belt pretensioners
88
PRD99529
If it is being replaced, the new part is supplied rea-
dy centred by an adhesive label which will tear off
as soon as the steering wheel is turned for the first
time (fit with the wheels straight).
REFITTING
Ensure the wheels are still straight.
Ensure the rotary switch under the steering wheel
is still immobilised before refitting.
If this is not the case, follow the centring method
described below:
- rotate the upper section of the rotary switch
anti-clockwise. The approach to the extreme
position, shown below, is indicated by a cer-
tain stiffness (do not force).
SPECIAL NOTES FOR THE ROTARY SWITCH
UNDERNEATH THE STEERING WHEEL
This makes the electrical connection between the
steering column and the steering wheel.
It consists of a strip of conductor tracks (airbag)
whose length is designed to guarantee 2.5 stee-
ring wheel turns (steering lock plus safety margin)
on each side.
REMOVAL
Before removing the rotary switch its position
must be noted:
• by ensuring that the wheels are straight on re-
moval so that the track may be positioned in
the centre,
• by immobilising the rotary switch rotor using
adhesive tape.
- then lightly rotate the upper section of the part
clockwise and check that the rotary switch is ac-
tually in the position shown below.
12970R4
88-22
