Lexus ES: CAN Communication Failure (Message Registry) (U1000)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Parking Assist Monitor System (for Gasoline Model) / 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
| 1. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Chassis > Rear Camera > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Chassis > Rear Camera > Trouble CodesHINT:
- 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
.gif)
| 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:
Black Screen
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
Vehicle Information Unmatched (C168D)
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:
Check Bus 3 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for Gasoline Model)
© 2016-2026 Copyright www.lexguide.net
