DTC B1613: Front Sub Sensor RH Initialization Error

Diagnosis start condition:

When the ignition voltage is 10 - 16 V.

DTC detecting condition:

Front impact sensor RH is faulty.
Airbag control module is faulty.

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to AIRBAG (DIAGNOSTICS)>General Description>CAUTION .

CHECK POOR CONTACT OF CONNECTORS .
Check for poor contact of the connectors (AB42, AB51) between the airbag control module and Front impact sensor RH.

Is there poor contact?

Yes : Replace the airbag main harness along with body harness.

No : Go to 2 .
CHECK Front impact sensor RH .
1. Turn the ignition switch to OFF, and wait for 60 seconds or more after disconnecting the ground terminal from the battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
2. Replace Front impact sensor RH with Front impact sensor LH. Ref. to AIRBAG SYSTEM>IMPACT SENSOR>REMOVAL>FRONT IMPACT SENSOR .
3. Connect all connectors.
4. Using the Subaru Select Monitor, perform the clear memory of [Airbag]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
5. Execute the inspection mode. Ref. to Airbag (Diagnostics)>Inspection Mode .
6. Read the DTC of [Airbag] using the Subaru Select Monitor. Ref. to Airbag (Diagnostics)>Diagnostic Trouble Code (DTC) .
Is DTC B1613 displayed? (Current malfunction)

Yes : Go to 3 .

No : Replace Front impact sensor RH. Ref. to AIRBAG SYSTEM>IMPACT SENSOR>REMOVAL>FRONT IMPACT SENSOR .
CHECK AIRBAG CONTROL MODULE .
1. Turn the ignition switch to OFF, and wait for 60 seconds or more after disconnecting the ground terminal from the battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
2. Reinstall Front impact sensor RH and Front impact sensor LH. Ref. to AIRBAG SYSTEM>IMPACT SENSOR>REMOVAL>FRONT IMPACT SENSOR .
3. Connect all connectors.
4. Using the Subaru Select Monitor, perform the clear memory of [Airbag]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
5. Execute the inspection mode. Ref. to Airbag (Diagnostics)>Inspection Mode .
6. Read the DTC of [Airbag] using the Subaru Select Monitor. Ref. to Airbag (Diagnostics)>Diagnostic Trouble Code (DTC) .
Is DTC B1613 displayed? (Current malfunction)

Yes : Replace the airbag control module. Ref. to AIRBAG SYSTEM>AIRBAG CONTROL MODULE>REMOVAL .

No : Go to 4 .
CHECK FOR ANY OTHER DTC ON DISPLAY .
Read the DTC of [Airbag] using the Subaru Select Monitor. Ref. to Airbag (Diagnostics)>Diagnostic Trouble Code (DTC) .

Is any other DTC displayed? (Current malfunction)

Yes : Perform the diagnosis for other displayed DTCs. Ref. to AIRBAG (DIAGNOSTICS)>Diagnostic Trouble Code (DTC)>LIST .

No : Finish the diagnosis.