Can Communication Interface (Fis And Sis) - SSANGYONG Korando 2012 Manual

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3) CAN Communication Interface (FIS and SIS)

The CAN communication interface uses the PWM for the supply current and the current loop and

communicates with the SDM to transmit the information. The serial communication and power for the

satellite are supplied through the communication line.

Initial stage

Tracking/Check (Self test)

Normal operation Checks the FIS condition and sends the result as

"OK" or "NOK", and also sends the "severity" of the

The FIS hardware reset was 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.

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

Multiple faults can be found

and deactivated in the same

ignition cycle.