Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001WDIJ
Model Year Start: 2021 Model: RAV4 Prod Date Range: [08/2020 - 12/2021]
Title: LIGHTING (EXT): AUTOMATIC HIGH BEAM SYSTEM: U023587; Lost Communication with Cruise Control Front Distance Range Sensor Missing Message; 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]

DTC

U023587

Lost Communication with Cruise Control Front Distance Range Sensor Missing Message

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Note

U023587

Lost Communication with Cruise Control Front Distance Range Sensor Missing Message

Detection condition:

  • Ignition switch ON

Malfunction status:

  • A communication malfunction with the millimeter wave radar sensor assembly is detected

Malfunction duration:

  • 5 seconds or more

Pre-collision system

Front Recognition Camera (Front Lighting Control)

-

Pattern

DTC output part name

(Display on GTS)

Suspected Area (Malfunction Status)

Forward Recognition Camera

Millimeter Wave Radar Sensor Assembly

(Front Recognition Camera(Front Light Control))

Pre-Collision System

Lane Control

Radar Cruise2

Front Radar Sensor

U023587

U023587

U023587

U023587

U010487
○: DTC is output

-: DTC is not output

Pattern 1

○

○

○

○

○

Harness or connector (Open or short)

Millimeter wave radar sensor assembly (Internal malfunction)

Forward recognition camera (Internal malfunction)

Pattern 2

○

○

○

○

-

Forward recognition camera (Internal malfunction)

Millimeter wave radar sensor assembly (Internal malfunction)

WIRING DIAGRAM

PROCEDURE

1.

CHECK PRE-COLLISION SYSTEM

(a) Check the pre-collision system.

Click here 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PRE-COLLISION: PRE-COLLISION SYSTEM: U023587; Lost Communication with Cruise Control Front Distance Range Sensor Missing Message

HINT:

If DTC U023587 is output by the automatic high beam system, perform troubleshooting for the pre-collision system.

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END