Lexus ES: CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION
This DTC is stored when the rear television camera assembly judges that it has an internal CAN malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
| U1000 | CAN Communication Failure (Message Registry) | Can communication failure (message registry) | Rear television camera assembly |
PROCEDURE
(a) Clear the DTCs.
Chassis > Rear Camera > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Chassis > Rear Camera > Trouble Codes
HINT:
-
If the DTC is not output again when rechecking for DTCs, it may have been stored due to a temporary CAN malfunction.
-
If DTC U1000 is stored frequently but is not output when rechecking for DTCs, attempt to reproduce the conditions when the malfunction occurred.
Click here
| Result | Proceed to |
| DTC U1000 is output | A |
| DTC U1000 is not output | B |
| A | | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
| B | | USE SIMULATION METHOD TO CHECK |
READ NEXT:
DESCRIPTION The video signal from the rear television camera assembly is transmitted to the multi-display assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
If the cable was disconnected fro
DESCRIPTION This DTC is stored if the rear television camera assembly judges as a result of its self check that the vehicle information received from the main body ECU (multiplex network body ECU) via
SEE MORE:
PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for LH) *2 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for RH) *3 ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) *4 SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) *5 COMBINATION METER ASSEMB
PARTS LOCATION ILLUSTRATION *1 FUEL LID LOCK WITH MOTOR ASSEMBLY *2 FUEL LID OPENER SWITCH *3 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FUEL OPN RELAY *4 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - FUEL OPN FUSE *5 TRUNK AND FUEL SWITCH ASSEMBLY -
© 2016-2026 Copyright www.lexguide.net
