Diagnosis System [10/2023 - ]
WARNING: This page is about a different car, the 2024 Lexus LS 500h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DLC3
- Check the DLC3.
Refer to GENERAL INFORMATION [09/2018 - ]
- Check the DLC3.
- FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR
- Initial check
- Turn the power switch on (IG).
- The passenger airbag ON/OFF indicator comes on for approximately 4 seconds, then goes off for approximately 2 seconds.
- Approximately 6 seconds after the power switch is turned on (IG), the passenger airbag ON/OFF indicator will indicate ON/OFF depending on the following conditions.INDICATOR OPERATION
Front Passenger Seat Condition Passenger Airbag ON/OFF Indicator SRS Warning Light ON Indicator OFF Indicator Vacant Off On Off Adult*1 is seated On Off Off Child*2 is seated On or Off*2 Off or On*2 Off Child restraint system is installed Off On Off Occupant classification system failure Off On On - *1: The system judges a person of average adult weight or more as an adult. If a smaller adult sits in the front passenger seat, the system may not recognize them as an adult depending on their physique and posture.
- *2: The system may not recognize a child or a child in a child restraint system as a child depending on factors such as the positioning of the child restraint system or the child's physique or posture.
HINT:
- The passenger airbag ON/OFF indicator illuminates based on the following timing chart in order to check the indicator light circuit.
- When the occupant classification system has a malfunction, both the SRS warning light and passenger airbag ON/OFF indicator ("OFF") come on. In this case, check for airbag system DTCs first.
- Initial check
- PASSENGER AIRBAG ON/OFF INDICATOR CHECK
- Turn the power switch on (IG).
*A Type A *B Type B - Check that the passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, then goes off for approximately 2 seconds.
HINT:
Refer to the indicator operation table in Function of Passenger Airbag ON/OFF Indicator for the passenger airbag ON/OFF indicator operation when the power switch is turned on (IG) and elapses approximately for 6 seconds.
- Turn the power switch on (IG).