Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Diagnosis System

DIAGNOSIS SYSTEM

DIAGNOSIS FUNCTION

(a) The diagnosis function turns off the cruise control indicator, illuminates the master warning light and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or forward recognition camera.

*a

Cruise Control Indicator

(Constant Speed Control Mode)

*b

Cruise Control Indicator

(Vehicle-to-vehicle Distance Control Mode)

*c

Master Warning Light

NOTICE:

As data stored in the ECU will be cleared, do not remove any fuses or disconnect the cable from the negative (-) battery terminal before the inspection is complete.

HINT:

When the system returns to normal, the warning message "Cruise Control Malfunction Visit Your Dealer" displayed on the multi-information display will be cleared.

    Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the ECM, refer to Registration. Click here When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a mill ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK ECM HINT: As a waterproof connector is used for the ECM, voltage, resistance and waveform inspections cannot be performed. The voltage, resistance and waveform values are provi ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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