DTC B1350: Speaker Circuit [07/2022 - ]: Description

The vehicle approaching speaker assembly circuit consists of the vehicle approaching speaker controller and vehicle approaching speaker assembly.

This DTC is stored when a malfunction is detected in the vehicle approaching speaker assembly circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1350	Speaker Circuit	Detection condition(1): The power switch is on (IG). Detection condition(2): IG power source voltage is 10 V or more. Malfunction status(1): When ECU output sound signal is being monitored with warning sound not being output, a speaker circuit open, short or short to ground is detected. Malfunction status(2): When vehicle proximity warning sound output conditions are met, an internal malfunction is continuously detected in the vehicle approaching speaker controller. Malfunction duration(1): 6 seconds or more Malfunction duration(2): 3 seconds or more	Vehicle approaching speaker controller Vehicle approaching speaker assembly Harness or connector

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1350

Speaker Circuit

Detection condition(1):

Detection condition(2):

Malfunction status(1):

When ECU output sound signal is being monitored with warning sound not being output, a speaker circuit open, short or short to ground is detected.

Malfunction status(2):

When vehicle proximity warning sound output conditions are met, an internal malfunction is continuously detected in the vehicle approaching speaker controller.

Malfunction duration(1):

Malfunction duration(2):