RM38N0EC _59 Vehicle Exterior _111868 ACOUSTIC VEHICLE ALERTING SYSTEM _0499572 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
Detection condition:
1.

The ignition switch is ON.

2.

IG power source voltage is 10 V or more.


Malfunction status:

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 duration:

5 seconds or more


·

Vehicle approaching speaker controller

·

Vehicle approaching speaker assembly

·

Harness or connector


Vehicle Proximity Notification System A
B135019 Vehicle Proximity Notification Speaker Circuit Current Above Threshold
Detection condition:
1.

The ignition switch is ON.

2.

IG power source voltage is 9 V or more.


Malfunction status:

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


Malfunction duration:

1 second or more


·

Vehicle approaching speaker controller

·

Vehicle approaching speaker assembly

·

Harness or connector


Vehicle Proximity Notification System A

WIRING DIAGRAM

E402276E47
1.094,1.917 1.552,2.115 0.458,0.198 10 false A8 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 A86 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

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)

Pre-procedure1

a.

Disconnect the A86 vehicle approaching speaker controller connector.


b.

Disconnect the A8 vehicle approaching speaker assembly connector.


Procedure1

c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(A8,A86)Location & Routing

Click Connector(A8)Engine Compartment>Engine Room Main Wire / Transmission Wire>Vehicle Approaching Speaker Assembly

Click Connector(A86)Instrument Panel>Engine Room Main Wire>Vehicle Approaching Speaker Controller

A8-2 - A86-7 (SP+) Always Below 1 Ω
A8-1 - A86-8 (SP-) Always Below 1 Ω
A8-2 or A86-7 (SP+) - Body ground Always 10 kΩ or higher
A8-1 or A86-8 (SP-) - Body ground Always 10 kΩ or higher
A8-1 - A8-2 Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

d.

None



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