RM36D0EC _59 Vehicle Exterior _171816 ACOUSTIC VEHICLE ALERTING SYSTEM _0711751 ACOUSTIC VEHICLE ALERTING SYSTEM C

ACOUSTIC VEHICLE ALERTING SYSTEM  ACOUSTIC VEHICLE ALERTING SYSTEM  B135013  Vehicle Proximity Notification Speaker Circuit Open  B135019  Vehicle Proximity Notification Speaker Circuit Current Above Threshold  


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 or vehicle approaching speaker controller.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
B135013 Vehicle Proximity Notification Speaker Circuit Open All of the following conditions are met for 5 seconds or more:
·

The power switch is on (IG).

·

IG power source voltage is 10 V or more.

·

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.


·

Vehicle approaching speaker controller

·

Vehicle approaching speaker assembly

·

Harness or connector


Acoustic Vehicle Alerting System A
B135019 Vehicle Proximity Notification Speaker Circuit Current Above Threshold All of the following conditions are met for 1 second or more:
·

The power switch is on (IG).

·

IG power source voltage is 9 V or more.

·

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


·

Vehicle approaching speaker controller

·

Vehicle approaching speaker assembly

·

Harness or connector


Acoustic Vehicle Alerting System A

WIRING DIAGRAM

E528483E01
1.094,1.917 1.552,2.115 0.458,0.198 10 false A9 1.083,2.073 2.375,2.583 1.292,0.51 10 false Vehicle Approaching Speaker Assembly 4.75,1.938 5.208,2.135 0.458,0.198 10 false A45 4.76,2.094 6.042,2.563 1.281,0.469 10 false Vehicle Approaching Speaker Controller 2.104,0.969 2.563,1.167 0.458,0.198 10 false 2 2.104,1.375 2.563,1.573 0.458,0.198 10 false 1 4.75,0.99 5.208,1.188 0.458,0.198 10 false 7 4.75,1.375 5.208,1.573 0.458,0.198 10 false 8 4.938,1.073 5.396,1.271 0.458,0.198 10 false SP+ 4.938,1.49 5.396,1.688 0.458,0.198 10 false SP-

PROCEDURE

1.INSPECT VEHICLE APPROACHING SPEAKER ASSEMBLY
a.

Remove the vehicle approaching speaker assembly.

Click hereVehicle Exterior>ACOUSTIC VEHICLE ALERTING SYSTEM>VEHICLE APPROACHING SPEAKER>REMOVAL


b.

Inspect the vehicle approaching speaker assembly.

Click hereVehicle Exterior>ACOUSTIC VEHICLE ALERTING SYSTEM>VEHICLE APPROACHING SPEAKER>INSPECTION


Result:
Proceed to
OK
NG



OK

2.CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER ASSEMBLY - VEHICLE APPROACHING SPEAKER CONTROLLER)

NG

REPLACE VEHICLE APPROACHING SPEAKER ASSEMBLY

Click hereVehicle Exterior>ACOUSTIC VEHICLE ALERTING SYSTEM>VEHICLE APPROACHING SPEAKER>REMOVAL


2.CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER ASSEMBLY - VEHICLE APPROACHING SPEAKER CONTROLLER)
a.

Disconnect the A45 vehicle approaching speaker controller connector.


b.

Disconnect the A9 vehicle approaching speaker assembly connector.


c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
A9-2 - A45-7 (SP+) Always Below 1 Ω
A9-1 - A45-8 (SP-) Always Below 1 Ω
A9-2 or A45-7 (SP+) - Body ground Always 10 kΩ or higher
A9-1 or A45-8 (SP-) - Body ground Always 10 kΩ or higher
A9-1 - A9-2 Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER

Click hereVehicle Exterior>ACOUSTIC VEHICLE ALERTING SYSTEM>VEHICLE APPROACHING SPEAKER ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR