LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2008 >> ES 350 >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System >> Occupant Classification System >> DTC B1797 Calibration Malfunction >> Description

DTC B1797 Calibration Malfunction: Description

DTC B1797 is output when the following condition is met:

Condition for the zero point calibration: 

ZERO POINT CALIBRATION CONDITION

Item 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 DETECTING CONDITION CHART

DTC 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.