DTC B161A-8A: Lost Communication with Front Satellite Sensor Bus [12/2013 - ]: Procedure

1. Turn the ignition switch to ON, and wait for at least 60 seconds.
2. Turn the ignition switch off.

   HINT: 

   If a communication error occurs, DTCs for both the LH and RH sides will be stored simultaneously. To identify the malfunctioning area, turn the ignition switch off and then to ON again.

3. Turn the ignition switch to ON, and wait for at least 60 seconds.
4. Check for DTCs.

   Refer to DTC CHECK / CLEAR [12/2013 - ]

   Body Electrical > SRS Airbag > Trouble Codes 

   HINT: 

   • DTCs indicating communication errors will be changed to DTCs indicating errors in initialization by turning the ignition switch off and then to ON again.
   • Codes other than DTCs B1613-83 and B1618-84 may be output at this time, but they are not related to this check.

   Result

   Result	Proceed to
   DTCs B1613-83 and B1618-84 are not output.	A
   DTC B1613-83 is output.	B
   DTC B1618-84 is output.	C

Result:  2

B 

GO TO DTC B1613-83. Refer to  DTC B1612-83: Lost Communication with Front Airbag Sensor RH; DTC B1613-83: Front Airbag Sensor RH Initialization Incomplete [12/2013 - ]  

Result:  3

C 

GO TO DTC B1618-84. Refer to  DTC B1617-84: Lost Communication with Front Airbag Sensor LH; DTC B1618-84: Front Airbag Sensor LH Initialization Incomplete [12/2013 - ]  

Result:  1

A 

See step  2

1. Clear the DTCs stored in memory.

   Refer to DTC CHECK / CLEAR [12/2013 - ]

   Body Electrical > SRS Airbag > Clear DTCs 

2. Turn the ignition switch off.
3. Turn the ignition switch to ON, and wait for at least 60 seconds.
4. Check for DTCs.

   Refer to DTC CHECK / CLEAR [12/2013 - ]

   Body Electrical > SRS Airbag > Trouble Codes 

   OK

   DTC B161A-8A is not output.

   HINT: 

   Codes other than DTC B161A-8A may be output at this time, but they are not related to this check.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2013 - 11/2016]  Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ] 

Result:  2

NG 

REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [12/2013 - ]