Lexus ES: BSM Buzzer Sound Request Signal Malfunction (C2A5C)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Panoramic View Monitor System (for Gasoline Model) / BSM Buzzer Sound Request Signal Malfunction (C2A5C)
DESCRIPTION
This DTC is stored when the rear television camera assembly receives an invalid communication signal from the blind spot monitor sensor RH.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C2A5C | BSM Buzzer Sound Request Signal Malfunction | An invalid communication signal is received from the blind spot monitor sensor RH | Rear television camera assembly |
CAUTION / NOTICE / HINT
NOTICE:
-
When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
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-
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.
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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 Codes| Result | Proceed to |
|---|---|
| DTC C2A5C is output | A |
| DTC C2A5C is not output | B |
| A |  | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
| B | | END |
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BSM Buzzer Malfunction (C2A5D)
DESCRIPTION This DTC is stored when the rear television camera assembly receives an RCTA buzzer circuit malfunction signal from the blind spot monitor sensor RH. DTC No. Detection Item DTC Dete
Back Camera Response Malfunction (C2A6A)
DESCRIPTION During self diagnosis of the parking assist ECU, the parking assist ECU sends display mode ID signals to the rear television camera assembly. This DTC is stored when the output of the rear
Side Camera LH Response Malfunction (C2A6B)
DESCRIPTION During self diagnosis of the parking assist ECU, the parking assist ECU sends display mode ID signals to the side television camera assembly LH. This DTC is stored when the output of the s
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Removal
REMOVAL PROCEDURE 1. PRECAUTION (for HV Model) NOTICE:
When replacing the radio receiver assembly or navigation ECU, always replace it with a new one. If a radio receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
A communication malfunc
Utility
UTILITY ALL READINESS HINT:
With "All Readiness", you can check whether or not the DTC judgment has been completed by using the Techstream.
You should check "All Readiness" after simulating malfunction symptoms or for validation after finishing repairs.
(a) Connect the Techstream to the DLC3
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