Alarm Function; Can Communication System Description - Suzuki SX4 Service Manual

• The ignition knob switch cannot be turned using the keyless engine start function fails to turn:
– The remote controller which has been registered in the keyless start control module and another un-registered
one are both carried at the same time
– The remote controller is kept in some metallic container which disturbs radio wave transmission/reception
– The ignition knob switch has been pushed for 5 seconds or longer
– The remote controller is placed close to outside of the vehicle compartment (such as on the instrument panel
beside the front window shield glass, on the rear parcel shelf (partition trim) or in a corner of the luggage room /
trunk room)

Alarm Function

Under conditions as described in the table below, the keyless start control module makes the key indicator light flash in
red and the buzzer sound to call the driver's attention.
Ignition knob switch has stopped between ACC and OFF
positions while driver side door is opened (ignition knob
switch un-returned alarm)
Ignition switch has stopped between ACC and OFF
positions while driver side door is closed (ignition knob
switch un-returned alarm)
Remote controller is carried out of vehicle and doors are
closed while ignition switch is at ON position (remote
controller carried-out alarm)
Remote controller is carried out of vehicle through a window
without opening door while ignition switch is at ON position
(engine is running) and vehicle has been driven at 10km/h
(6 MPH) or more speed without remote controller in vehicle
compartment (the first time 10 km/h (6 MPH) speed is
exceeded only) (Remote controller carried-out alarm)

CAN Communication System Description

Refer to "CAN Communication System Description in Section 1A" for CAN communication system description.
Keyless start control module communicates control data with each control module as follows.
Keyless Start Control Module Transmission Data
Keyless Start
Control Module
Condition
ID code of keyless start control module e
ECM-keyless start control module code ke
Ignition knob switch signal
Door lock/unlock request signal
Transmit
DATA
Buzzer request signal
Answer back request signal
Panic alarm request signal
Trunk lid opener request signal
Key indicator light control signal
Keyless Start System:
Buzzer operation Key indicator light operation
Intermittent
2 times
5 times
5 times
ECM
10E-8
S7RW0AA501006
—
Flashing in red
Flashing in red
Flashing in red
S7RW0AA501007
Combination
BCM
Meter
I8RW01A50002-01