Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Fail-safe Chart

"Pre-Collision System Malfunction Visit Your Dealer"

Pre-collision system malfunction

C142571

The engine switch is turned on (IG) after an abnormal stop light relay signal is no longer received from the skid control ECU (brake actuator assembly).

U010087

Communication with the ECM returns to normal.

U012587

Communication with the yaw rate sensor returns to normal.

U012687

Communication with the steering sensor returns to normal.

U012987

Communication with the skid control ECU (brake actuator assembly) returns to normal.

U023587

Communication with the millimeter wave radar sensor assembly returns to normal.

U023A87

Communication with the skid control ECU (brake actuator assembly) returns to normal.

U030051

3 seconds or more elapse after the vehicle information (Conv/HV) of the forward recognition camera is acquired.

U030057

The vehicle information (Conv/HV) in the ECM and forward recognition camera match.

U041881

The engine switch is turned on (IG) after a signal indicating a brake system malfunction is no longer received from the skid control ECU (brake actuator assembly).

"Pre-Collision System Malfunction Visit Your Dealer"

Pre-collision system malfunction

X2000

The engine switch is turned on (IG) after a signal indicating a malfunction of the skid control ECU (brake actuator assembly) or yaw rate sensor is no longer received.

X2001

The engine switch is turned on (IG) after a signal indicating a malfunction of the steering angle sensor is no longer received from the steering angle sensor.

X2002

A signal indicating a malfunction of the accelerator pedal position sensor is no longer received from the ECM.

X2003

A signal indicating a vehicle stability control system malfunction is no longer received from the skid control ECU (brake actuator assembly).

X2006

The forward recognition camera no longer detects a malfunction in the skid control buzzer.

HINT:

While a buzzer malfunction is detected, if there is a possibility of a collision, the pre-collision brake assist and pre-collision brake functions will operate without sounding the buzzer.

X2011

The vehicle information in the forward recognition camera is verified.

X2012

The engine switch is turned on (IG) after it is determined that the forward recognition camera is no longer malfunctioning.

X2013

The engine switch is turned on (IG) after it is determined that the optical axis of the forward recognition camera is no longer misaligned.

X2014

It is determined that the forward recognition camera optical axis is calibrated.

X2018

The engine switch is turned on (IG) after it is determined that the heater of the forward recognition camera is no longer malfunctioning.

X201D

A signal indicating that the destination does not match is no longer received.

X2020

The system stops receiving destination malfunction signals from the millimeter wave radar sensor assembly.

X2021

The system stops receiving malfunction signals from the millimeter wave radar sensor assembly after turning the engine switch from off to on (IG).

X2022

The system stops receiving axis misalignment signals from the millimeter wave radar sensor assembly after turning the engine switch from off to on (IG).

X2023

The system stops receiving beam axis not adjusted signals from the millimeter wave radar sensor assembly.

X2070

The system stops receiving forward recognition camera communication malfunction signals output from the millimeter wave radar sensor assembly.

"Pre-Collision System Unavailable"

Millimeter wave radar sensor assembly misaligned

X2024

Millimeter wave radar sensor beam axis adjustment is completed and beam axis learning is completed

X2025

"Pre-Collision System Unavailable Clean Sensor"

Foreign matter attached to millimeter wave radar sensor assembly

X2026

Millimeter wave radar sensor assembly is cleaned

"Pre-Collision System Unavailable"

Millimeter wave radar sensor assembly temperature malfunction

X2027

Millimeter wave radar sensor temperature returns to normal

Millimeter wave radar sensor assembly low voltage malfunction

X2028

Millimeter wave radar sensor voltage returns to normal

"Front Camera Unavailable See Owner's Manual"

Forward recognition camera or area of the windshield in front of the camera is dirty or fogged up

X2015

Forward recognition camera or area of windshield glass in front of forward recognition camera is cleaned or defogged

"Front Camera Unavailable"

Forward recognition camera temperature outside of operational range

X2016

Forward recognition camera temperature returns to normal

Forward recognition camera voltage outside of operational range

X2017

Forward recognition camera voltage returns to normal

Forward recognition camera is temporarily unavailable (forward recognition camera recognition stopped)

X201F

The conditions which prevent the forward recognition camera from performing recognition return to normal.