FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) If a malfunction is detected in the intelligent clearance sonar system, the warning message "Parking Support Brake Malfunction Visit Your Dealer" or "Parking Support Brake Unavailable" is displayed on the multi-information display, the ICS OFF indicator blinks and the intelligent clearance sonar system control is prohibited as necessary.
(b) If the clearance warning ECU assembly judges that there is foreign matter on an ultrasonic sensor or detection of objects is not possible in severe weather such as snow, the warning message "Parking Support Brake Unavailable" is displayed, the ICS OFF indicator blinks and control is cancelled. The warning message "Parking Support Brake Unavailable" is temporarily displayed and turns off. The ICS OFF indicator blinks to inform the driver of the malfunction. When detection of an obstacle is possible, the ICS OFF indicator turns off and the intelligent clearance sonar system control returns to normal.
Dtc Check / Clear
Data List / Active TestLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Parking Assist Monitor System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
The following inspection procedures for the parking assist monitor system are based on the assumption that the navigation system*1 or audio and visual system*2 is normal. If the navigation system*1 or audio and visual system*2 has any malfunctions, first proceed wit ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Pre-collision System: Customize Parameters
CUSTOMIZE PARAMETERS NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings before customizing.
When troubleshooting a function, first make sure that the function is set to the default sett ...