DTC B1350: Speaker Circuit [06/2015 - ]: 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	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 9 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

DTC DETECTION CONDITIONS

		Vehicle Condition
		Pattern 1	Pattern 2
Diagnosis Condition	Vehicle approach warning is sounding	◦	-
Diagnosis Condition	Vehicle approach warning is not sounding	-	◦
Malfunction Status	Speaker circuit short	◦	-
Malfunction Status	Speaker circuit open	-	◦
Detection Time		1 second or more	5 seconds or more
Number of Trips		1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.