Toyota Camry (XV70): Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message (U023587)
DESCRIPTION
The forward recognition camera communicates with the millimeter wave radar sensor assembly via CAN communication. If a communication malfunction between the forward recognition camera and millimeter wave radar sensor assembly is detected, DTC U023587 is stored.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
DTC Output from |
|---|---|---|---|---|
|
U023587 | Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message |
When the ignition switch is ON for 3 seconds or more and the dynamic radar cruise control system is operating, a communication malfunction between the millimeter wave radar sensor assembly and forward recognition camera is detected for approximately 2 seconds or more. |
Pre-collision system | Radar Cruise2 |
|
Pattern | DTC output part name (Display on Techstream) |
Suspected Area (Malfunction Status) | ||||
|---|---|---|---|---|---|---|
|
Forward Recognition Camera |
Millimeter Wave Radar Sensor Assembly | |||||
|
Radar Cruise2 | Pre-Collision System |
Forward Recognition Camera (Front Lighting Control) |
Lane Control | 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) | ||||||
HINT:
If the DTCs are output simultaneously, the inspection area can be narrowed down.
WIRING DIAGRAM
PROCEDURE
| 1. |
CHECK PRE-COLLISION SYSTEM |
(a) Check the pre-collision system.
Click here .gif)
HINT:
If DTC U023587 is output by the dynamic radar cruise control system, perform troubleshooting for the pre-collision system.
| NEXT | .gif) | END |
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DESCRIPTION
If the forward recognition camera cannot verify the vehicle information sent from the ECM, the forward recognition camera stores DTC U030051.
If the vehicle information stored in
Software Incompatibility with Brake System Control Module Not Programmed (U031851)
DESCRIPTION If the forward recognition camera cannot verify the vehicle information sent from the skid control ECU (brake actuator assembly), the forward recognition camera stores DTC U031851.
D
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SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT
NOTICE: If both left and right front flexible hoses are disconnected at the same time, be sure to place an identification mark on each hose to indicate its installation position.
HINT:
Use the same procedure for the RH side and LH side.
The following proce
Exhaust gas precautions
Harmful substance to the human body is included in exhaust
gases if inhaled.
WARNING
Exhaust gases include harmful carbon monoxide (CO), which is colorless and
odorless. Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to
an accident
