DTC B2074: Driver Side Seat Belt Buckle Switch Circuit Malfunction; DTC B2075: Passenger Side Seat Belt Buckle Switch Circuit Malfunction [10/2014 - 10/2015]: Procedure
- CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)
- Clear the DTCs (Refer to DIAGNOSIS SYSTEM [10/2014 - 10/2015] ).
- Recheck for DTCs.
OK
CAN communication system DTCs are not output.
Result:
NG
GO TO CAN COMMUNICATION SYSTEM
(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] )
Result:
OK
See step 2
- CHECK DTC OUTPUT (AIRBAG SYSTEM)
- Check for airbag system DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ]
).
OK
Airbag system DTCs are not output.
Result:
NG
GO TO AIRBAG SYSTEM
(Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - ] )
Result:
OK
See step 3
- Check for airbag system DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ]
).
- CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM)
- Check for occupant classification system DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ]
).
OK
Occupant classification system DTCs are not output.
Result:
NG
GO TO OCCUPANT CLASSIFICATION SYSTEM
(Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - ] )
Result:
OK
See step 4
- Check for occupant classification system DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ]
).
- CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Enter the following menus: Body Electrical / Pre-Collision / Trouble Codes.
- Clear the DTCs (Refer to DTC CHECK / CLEAR [10/2014 - 10/2015] ).
- Recheck for DTCs.
OK
DTC B2074 or B2075 is not output.
Result:
OK
CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION)
(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] )
Result:
NG
REPLACE SEAT BELT CONTROL ECU
(Refer to COMPONENTS [10/2014 - 10/2015] )