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) 2016-2025 Repair Manual > Vehicle Stability Control System: Left Rear Wheel Speed Sensor Circuit Intermittent (C050C1F)
DESCRIPTION The speed sensor detects wheel speed and sends the appropriate signals to the skid control ECU (brake actuator assembly). These signals are used for brake control. Speed sensor rotors have rows of alternating N and S magnetic poles, and their magnetic fields change when the rotors turn. ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Mass Air Flow Meter: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY HINT: Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Click here (a) Read the value of Data List item "Mass Air Flow Sensor" using the Techstream. NOTICE: Perform the inspection of ...