DTC B1797 Calibration Malfunction: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1797 is output when the following conditions are met
- Zero point calibration is performed when the conditions for the calibration are not satisfied
- Zero point calibration has failed
Condition for the Zero Point Calibration
CALIBRATION MALFUNCTION CHARTItem Condition DTC Not recorded Front passenger seat occupant Vacant Front passenger side buckle switch OFF (The seat belt is not fastened) ECU temperature 0 to 46°C (32 to 114 8°F) Filtered pressure 38 to 75 count DTC DETECTION CONDITION CHARTDTC No DTC Detecting Condition Trouble Area B1797 - Zero point calibration is performed when the conditions for the calibration are not satisfied
- Zero point calibration has failed
- There is no malfunction if this DTC is not output again after performing occupant classification system zero point calibration
- Occupant classification sensor
HINT
When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant classification ECU When DTC B1797 is output, perform troubleshooting for the DTC.