Lexus ES manuals

Lexus ES: CAN Communication Failure (Message Registry) (U1000)

DESCRIPTION

If DTC U1000 is stored frequently, duplicate the problem symptoms and perform troubleshooting 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

Parking assist ECU

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Circumference Monitoring Camera Control Module > Clear DTCs Chassis > Rear Camera > Clear DTCs

(b) Check for DTCs.

Chassis > Circumference Monitoring Camera Control Module > Trouble Codes Chassis > Rear Camera > Trouble Codes

Result

Proceed to

No DTCs are output

A

DTC U1000 is output ("Panoramic View Monitor")

B

DTC U1000 is output ("Parking Assist Camera")

C

HINT:

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

A

USE SIMULATION METHOD TO CHECK

B

REPLACE PARKING ASSIST ECU

C

REPLACE REAR TELEVISION CAMERA ASSEMBLY

READ NEXT:

 Parking Assist Ecu

 Components

COMPONENTS ILLUSTRATION *1 PARKING ASSIST ECU *2 PARKING ASSIST ECU COVER

 Installation

INSTALLATION PROCEDURE 1. INSTALL PARKING ASSIST ECU (a) Turn back the front floor carpet assembly as shown in the illustration. (b) Engage the 2 guides to temporarily install the parki

SEE MORE:

 How To Proceed With Troubleshooting

HOW TO PROCEED WITH TROUBLESHOOTING OPERATION FLOW HINT: Perform troubleshooting in accordance with the procedure below. The following is an outline of basic troubleshooting procedure. Confirm the troubleshooting procedure for the circuit you are working on before beginning troubleshooting.

 Diagnosis System

DIAGNOSIS SYSTEM PARKING ASSIST MONITOR SYSTEM DIAGNOSTIC MODE (a) In diagnostic mode for the parking assist monitor system, signals received by the radio receiver assembly can be checked and the parking assist monitor system can be calibrated, adjusted and checked using the multi-display assembly.

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