Lexus ES: Lost Communication with Panoramic View Monitor Control Module (U023B)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Panoramic View Monitor System (for Hv Model) / Lost Communication with Panoramic View Monitor Control Module (U023B)
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly.
HINT:
If CAN communication system DTCs are stored, they may also be stored in other systems.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U023B | Lost Communication with Panoramic View Monitor Control Module | Lost Communication with Television Camera Controller | CAN communication system |
PROCEDURE
| 1. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Chassis > Parking Assist Camera > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Chassis > Parking Assist Camera > Trouble CodesHINT:
- If CAN communication system DTCs are stored, they may also be stored in other systems.
- If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.
-
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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| Result | Proceed to |
|---|---|
| DTCs are output | A |
| No DTCs are output | B |
| A |  | GO TO CAN COMMUNICATION SYSTEM |
| B | | USE SIMULATION METHOD TO CHECK |
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Control Module Communication Bus Off (U0073,U0100,U0126,U0129,U0140,U0163,U0233,U023B,U0265,U0293,U1110)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the parking assist ECU. HINT: If CAN communication system DTCs are stored, they may also be sto
Lost Communication with Image Processing Sensor B (U0266-U0268)
DESCRIPTION These DTCs are stored when communication between the parking assist ECU and front television camera assembly, side television camera assembly LH, side television camera RH is not possible.
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 DT
SEE MORE:
EPS Warning Light Circuit
CAUTION / NOTICE / HINT NOTICE:
Perform this troubleshooting procedure when no DTCs are output, including DTCs related to CAN communication system malfunctions.
If the customer reports that the steering feels heavy, refer to the "Heavy steering" item in the Problem Symptoms Table.
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Installation
INSTALLATION PROCEDURE 1. INSTALL RAIN SENSOR TAPE HINT: The rain sensor tape is reusable. Only replace the tape if it is damaged or contaminated with foreign matter. (a) Clean the sensing portion of the rain sensor with a piece of cloth. (b) Peel off the smaller release sheet, and then attach the r
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