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

DESCRIPTION

If DTC U1000 is stored frequently, duplicate the conditions that cause 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

Clearance warning ECU assembly

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs

(b) Check for DTCs.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > 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 if the DTC was not output when rechecking for DTCs.

Click here

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE CLEARANCE WARNING ECU ASSEMBLY

READ NEXT:

 No. 1 Clearance Warning Buzzer Circuit

DESCRIPTION This circuit consists of the No. 1 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzers using a sound pattern that

 Clearance Warning ECU Power Source Circuit

DESCRIPTION This circuit provides power to operate the clearance warning ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before perf

 No. 2 Clearance Warning Buzzer Circuit

DESCRIPTION This circuit consists of the No. 2 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzers using a sound pattern that

SEE MORE:

 Brake Booster Pump Motor on Time Abnormally Long (C1252,C1253)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) detects decreases in the accumulator pressure according to the data from the accumulator pressure sensor, and then starts and stops the pump motor by operating the motor relay. DTC No. Detection Item INF Code DTC

 Exhaust Gas Recirculation Control Circuit (P0403)

DESCRIPTION Refer to DTC P0401. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory P0403 Exhaust Gas Recirculation Control Circuit Both of the following conditions are met: (1 trip detection logic) (a) The engine is running. (b) Any of the

© 2016-2026 Copyright www.lexunx.com