To ensure safe and economical driving,
day-to-day care and regular
maintenance are essential. It is the
owner's responsibility to perform
regular checks. Lexus recommends
the following maintenance:
■Repair and replacement
It is recommended that genuine Lexus parts
be used for repairs to en
DESCRIPTION The front passenger side buckle switch circuit consists of the occupant detection ECU and front seat inner belt assembly RH. DTC B1771 is stored when a malfunction is detected in the front passenger side buckle switch circuit. Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are ou