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

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Parking Support Alert System (for Gasoline 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 Codes

OK:

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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USE SIMULATION METHOD TO CHECK

REPLACE CLEARANCE WARNING ECU ASSEMBLY

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Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear crankshaft oil seal removal/installation are shown below. Necessary Procedure After Parts Removed/

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

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