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

DESCRIPTION

If DTC U1000 is stored frequently, duplicate 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

Parking assist ECU

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here

Chassis > Panoramic View Monitor > Clear DTCs

(b) Check for DTCs.

Click here

Chassis > Panoramic View Monitor > 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 though the DTC was not output when rechecking for DTCs.

Click here

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE PARKING ASSIST ECU

READ NEXT:

 "CHK" message(s) are displayed on the SIGNAL CHECK screen.

DESCRIPTION On the SIGNAL CHECK screen, it is possible to check if the signals sent to the parking assist ECU are normal. Click here HINT: On the SIGNAL CHECK screen, "OK" (blue) is displayed for

 ECU Power Source Circuit

DESCRIPTION This circuit is the power source circuit to operate the parking assist ECU. The parking assist ECU controls the panoramic view monitor system. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTIC

 Image from Camera for Panoramic View Monitor is Abnormal

DESCRIPTION The display signal from the rear television camera assembly is transmitted to the multi-display assembly via the parking assist ECU. WIRING DIAGRAM w/o Seat Memory w/ Seat Memory CAUTION

SEE MORE:

 Removal

REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE FRONT FENDER MOULDING SUB-ASSEMBLY LH HINT: When removing the front fender moulding sub-assembly LH, if the No. 1 moulding tape (double-sid

 Basic Inspection

CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following procedure, the location of the problem ca

© 2016-2025 Copyright www.lexunx.com