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.
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| 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 |
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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:
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Because the order of diagnosis is important to allow correct diagnosis, make sure to begin trouble
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL REAR SUSPENSION ARM BRACKET (a) Temporarily install the rear suspension arm bracket to the rear trailing arm assembly with the bo
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