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B2471


B2471 SYS HEAT PROTC AS





Description
When fastening and unfastening seat belt or opening and closing door is repeated continuously for a short period of time, the system temporarily deactivates the retracting function of seat belt to prevent excessive heating. The system recovers automatically.




DTC Logic

DTC DETECTION LOGIC

DTC Detection Logic:






DTC CONFIRMATION PROCEDURE
1.SELF-DIAGNOSIS WITH PRE-CRASH SEAT BELT CONTROL UNIT
1. Turn ignition switch ON.
2. Check "Self-diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Refer to B2471.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK THE VEHICLE CONDITION WITH CONSULT-III DATA MONITOR
1. Check "HEAT PROTC RH" of DATA MONITOR.
2. Wait until "OFF" appears.
3. Perform the self-diagnosis, after performing the check.
4. Touch "ERASE".
5. Perform DTC Confirmation Procedure.
See B2471.
Is DTC B2471 displayed again?
YES - GO TO 2.
NO - INSPECTION END
2.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END