DTC B1350: Speaker Circuit [02/2014 - ]: 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	Note
B1350	Speaker Circuit	Either of the following conditions is met: When sound output voltage is being monitored by the ECU, with the power switch on (IG), battery voltage 10 V or more, and warning sound being produced, a speaker circuit short condition continues for 1 second or more. When sound output voltage is being monitored by the ECU, with the power switch on (IG) and warning sound not being produced, a speaker circuit open condition continues for 5 seconds or more.	Vehicle approaching speaker controller Vehicle approaching speaker assembly Harness or connector between vehicle approaching speaker controller and vehicle approaching speaker assembly	If the vehicle approaching speaker controller stores a DTC, the vehicle approaching speaker warning light* will blink for 16 seconds and then illuminate.

Fig 1: Vehicle Approaching Speaker Warning Light

*1	Clock Assembly
*a	Vehicle Approaching Speaker Warning Light
*: Vehicle approaching speaker warning light