Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Smart Access System With Push-button Start (for Start Function): Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION This DTC is stored when a malfunction in the IG circuit or IG hold circuit of the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2271 Ignition Hold Monitor Malfunction When either of the followi ...
Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Intuitive Parking Assist System (w/ Intelligent Clearance Sonar System): Front Right Center Sensor (C1AE3)
DESCRIPTION The front center ultrasonic sensor RH is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front center ultrasonic sensor RH. If the front center ultrasonic sensor RH has an open circuit or other malfunction, it will no ...