Can Communication Interface - SSANGYONG korando C200 Service Manual

02-16
0000-00
3) CAN Communication Interface (FIS and SIS)
The CAN communication interface uses PWM for the supply current and the current loop and
communicates with the SDM to transmit information. The serial communication and power for
the satellite are supplied through the communication line.
Stage
Initial stage
Normal operation
Voltage
Fault
The FIS moves to the initial stage if 'leakage to GND' is occurred in normal operating stage to
shut down the power and prevent abnormal operation.
FIS: Front Impact Sensor
※
SIS: Side Air bag Sensor
AIR BAG SYSTEM
korando 2010.10
FIS
Tracking/Check (Self test)
Checks the FIS condition and sends the
result as "OK' or 'NOK", and also sends the
"severe level" of the crash.
The FIS hardware reset performed under 5
V, communication voltage low
The fault is found in the current ignition
cycle but the fault is deactivated in the next
ignition cycle.
SIS
Same as FIS
Same as FIS
Same as FIS
Multiple faults can be
found and deactivated in
the same ignition cycle.