Lexus ES: CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION
If DTC U1000 is stored frequently, duplicate 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 | Parking assist ECU |
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs Chassis > Rear Camera > Clear DTCs(b) Check for DTCs.
Chassis > Circumference Monitoring Camera Control Module > Trouble Codes Chassis > Rear Camera > Trouble Codes| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| DTC U1000 is output ("Panoramic View Monitor") | B |
| DTC U1000 is output ("Parking Assist Camera") | C |
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.
Click here .gif)
| A |  | USE SIMULATION METHOD TO CHECK |
| B | | REPLACE PARKING ASSIST ECU |
| C | | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
READ NEXT:
Components
COMPONENTS ILLUSTRATION *1 PARKING ASSIST ECU *2 PARKING ASSIST ECU COVER
Installation
INSTALLATION PROCEDURE 1. INSTALL PARKING ASSIST ECU (a) Turn back the front floor carpet assembly as shown in the illustration. (b) Engage the 2 guides to temporarily install the parki
SEE MORE:
Components
COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 COURTESY LIGHT ASSEMBLY *2 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *3 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WITH FRONT DOOR UPPER ARMREST BASE PANEL *4 NO. 2 DOOR TRIM PAD *5 POWER WINDOW REGU
Installation
INSTALLATION PROCEDURE 1. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst) (a) Install a new gasket to the front exhaust pipe assembly (TWC: Rear Catalyst). (b) Connect the front exhaust pipe assembly (TWC: Rear Catalyst) to the 2 exhaust pipe supports. (c) Install the front exhaust pipe ass
