Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: CAN Communication Failure (Message Registry) (U1000)

DESCRIPTION

If DTC U1000 is stored frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again even if the DTC is not output when rechecking for DTCs.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U1000

CAN Communication Failure (Message Registry)

ECU malfunction

Clearance warning ECU assembly

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs

(b) Check for DTCs.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

OK:

DTC U1000 is not output.

HINT:

If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even if the DTC was not output when rechecking for DTCs.

Click here

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE CLEARANCE WARNING ECU ASSEMBLY

    Control Module Communication Bus "A" Off (U0073,U0155)
    DESCRIPTION These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication line. DTC No. Detection Item DTC Detection Condi ...

    No. 1 Clearance Warning Buzzer Circuit
    DESCRIPTION This circuit consists of the No. 1 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzers using a sound pattern that ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Radio Receiver: Components
    COMPONENTS ILLUSTRATION *1 INSTRUMENT CLUSTER FINISH PANEL ORNAMENT *2 LOWER INSTRUMENT FINISH PANEL SUB *3 LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL *4 LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL *5 RADIO RECEIVER ASSEMBLY WITH REGISTER - - ILLUSTRATION *A w/o N ...

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Pre-collision System: Terminals Of Ecu
    TERMINALS OF ECU NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed. Do not apply excessive force to the forward recognition camera connector. CHECK FORWARD RECOGNITI ...

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

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

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