SUPPLEMENTAL RESTRAINT SYSTEMS  AIRBAG SYSTEM(for Type C)  HOW TO PROCEED WITH TROUBLESHOOTING  

Confirm problem symptoms.

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Measure the battery voltage.

Standard voltage:

11 to 14 V

HINT:

·

A simple method to determine whether the battery is discharged is to operate the horn.

·

If the voltage is below 11 V, recharge or replace the battery before proceeding.

Check the fuses and relays.

Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

Using the GTS, check if the CAN communication system is functioning normally.

OK:

CAN communication system is functioning normally.

HINT:

·

Refer to Communication Bus Check in CAN Communication System.

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>DIAGNOSIS SYSTEM201906,202005,_57,_078518,_0381088,RM100000001IUWS,202005,202107,_57,_078518,_0381088,RM100000001M0XB,202107,202208,_57,_078518,_0381088,RM100000001X4LL,202208,202310,_57,_078518,_0381088,RM10000000257V5,202310,999999,_57,_078518,_0381088,RM100000002G45R,

·

The airbag ECU assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.

Proceed to Operation System.

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Check for DTCs.

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Body Electrical > SRS Airbag > Trouble Codes

50001 188

OK:

DTCs are not output.

Diagnostic Trouble Code Chart.

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Clear the DTCs stored in memory.

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Body Electrical > SRS Airbag > Clear DTCs

50002 188

Check for DTCs.

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (for Type C)>DTC CHECK / CLEAR201906,999999,_58,_079257,_0396679,RM100000001IJ88,

Body Electrical > SRS Airbag > Trouble Codes

50001 188

OK:

DTCs are not output.