Lexus ES manuals

Lexus ES: Lost Communication with Panoramic View Monitor Control Module (U023B)

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly.

HINT:

If CAN communication system DTCs are stored, they may also be stored in other systems.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U023B

Lost Communication with Panoramic View Monitor Control Module

Lost Communication with Television Camera Controller

CAN communication system

PROCEDURE

1.

CHECK DTC OUTPUT

(a) Clear the DTCs.

Chassis > Parking Assist Camera > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Chassis > Parking Assist Camera > Trouble Codes

HINT:

  • If CAN communication system DTCs are stored, they may also be stored in other systems.
  • If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.
  • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even if the DTC was not output when rechecking for DTCs.

    Click here

Result

Proceed to

DTCs are output

A

No DTCs are output

B

A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK

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SEE MORE:

 System Diagram

SYSTEM DIAGRAM (a) The CAN communication system is composed of 5 buses. CAN Main Bus Line Terminating Resistor CAN Branch Line * Gateway Function Equipped ECU Bus Monitoring Direction - - Connected to Code ECU/Sensor Name CAN DTC Storage Note - C

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of

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