Lexus ES: CAN Communication Failure (Message Registry) (U1000)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Parking Support Alert System (for Hv Model) / CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION
If DTC U1000 is stored frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting 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.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(b) Check for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble CodesOK:
DTC U1000 is not output.
HINT:
If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even if the DTC was not output when rechecking for DTCs.
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| OK |  | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
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