Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: BSM Buzzer Sound Request Signal Malfunction (C2A5C)

DESCRIPTION

This DTC is stored when the television camera assembly receives an invalid communication signal from the blind spot monitor sensor RH.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
C2A5C	BSM Buzzer Sound Request Signal Malfunction	An invalid communication signal is received from the blind spot monitor sensor RH	Television camera assembly	Television camera assembly

CAUTION / NOTICE / HINT

NOTICE:

When "!" is displayed on the radio and display receiver 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 FOR DTC

(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 Codes

Result	Proceed to
DTC C2A5C is output	A
DTC C2A5C is not output	B

REPLACE TELEVISION CAMERA ASSEMBLY

END

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Pre-collision System(for Gasoline Model): Terminals Of Ecu
TERMINALS OF ECU CHECK DRIVING SUPPORT ECU ASSEMBLY (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G39-7 (B) - G39-28 (GND) B - W-B Power source Engine switch on (IG) 11 to 14 ...

Toyota Avalon (XX50) 2019-2022 Owners Manual