DTC B161A: Lost Communication with Front Satellite Sensor Bus [08/2019 - ]: 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 [08/2019 - ] ).
   RESULT
   
   

   Result	Proceed to
   DTCs B1613 and B1618 are not output	A
   DTC B1613 is output	B
   DTC B1618 is output	C

   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 and B1618 may be output at this time, but they are not related to this check.

Result: 

B 

GO TO DTC B1613 

(Refer to DTC B1612: Front Airbag Sensor Lost Communication (RH); DTC B1613: Front Airbag Sensor Initialization Error (RH) [08/2019 - ] )

Result: 

C 

GO TO DTC B1618 

(Refer to DTC B1617: Front Airbag Sensor Lost Communication (LH); DTC B1618: Front Airbag Sensor Initialization Error (LH) [08/2019 - ] )

Result: 

A 

See step  2

1. Turn the ignition switch to ON, and wait for at least 60 seconds.
2. Clear the DTCs stored in memory (Refer to DTC CHECK / CLEAR [08/2019 - ] ).
3. Turn the ignition switch off.
4. Turn the ignition switch to ON, and wait for at least 60 seconds.
5. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2019 - ] ).

   OK

   DTC B161A is not output.

   HINT: 

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

Result: 

OK 

USE SIMULATION METHOD TO CHECK 

(Refer to DIAGNOSIS SYSTEM [08/2019 - ] )

Result: 

NG 

REPLACE AIRBAG SENSOR ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )