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

ACOUSTIC VEHICLE ALERTING SYSTEM  ACOUSTIC VEHICLE ALERTING SYSTEM  There is No Sound Made  


DESCRIPTION

Based on signals received from each ECU, the vehicle approaching speaker controller outputs warning sounds through the vehicle approaching speaker assembly.

WIRING DIAGRAM

E428985E12
5.594,5.75 6.885,6.26 1.292,0.51 10 false Vehicle Approaching Speaker Assembly 4.5,4.948 4.958,5.146 0.458,0.198 10 false SP+ 4.51,5.24 4.969,5.438 0.458,0.198 10 false SP- 4.469,6.969 4.927,7.167 0.458,0.198 10 false GND 3.354,7.833 6.021,8.115 2.667,0.281 10 false Vehicle Approaching Speaker Controller 0.781,7.469 2.698,7.76 1.917,0.292 10 false Combination Meter Assembly 0.802,2.365 2.583,2.708 1.781,0.344 10 false Hybrid Vehicle Control ECU 1.938,0.896 3,1.135 1.063,0.24 10 false ECU-IGR NO.1 0.177,0.74 1.635,0.979 1.458,0.24 10 false from IGR NO.1 Relay 3.573,0.74 4.031,0.938 0.458,0.198 10 false IG 1.479,8.417 3.333,8.635 1.854,0.219 10 false : CAN Communication Line 3.365,0.625 3.823,0.823 0.458,0.198 10 false 1 3.333,7.646 3.75,7.854 0.417,0.208 10 false A45 4.854,4.854 5.271,5.063 0.417,0.208 10 false 7 4.854,5.156 5.271,5.365 0.417,0.208 10 false 8 4.844,6.844 5.26,7.052 0.417,0.208 10 false 6 5.594,5.583 6.01,5.792 0.417,0.208 10 false A9 6.031,4.854 6.448,5.063 0.417,0.208 10 false 2 6.031,5.135 6.448,5.344 0.417,0.208 10 false 1 0.844,5.76 2.5,6.25 1.656,0.49 10 false Main Body ECU (Multiplex Network Body ECU) 0.688,4.042 2.74,4.625 2.052,0.583 10 false Skid Control ECU (Brake Booster with Master Cylinder Assembly)

CAUTION / NOTICE / HINT

NOTICE:
·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

The acoustic vehicle alerting system uses the CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the automatic high beam system after confirming that the communication systems are functioning properly.

Click hereVehicle Exterior>ACOUSTIC VEHICLE ALERTING SYSTEM>ACOUSTIC VEHICLE ALERTING SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING



PROCEDURE

1.CHECK FOR DTC
a.

Connect the GTS to the DLC3.


b.

Turn the power switch on (IG).


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Acoustic Vehicle Alerting System / Trouble Codes.

Body Electrical > Acoustic Vehicle Alerting System > Trouble Codes
50001 458

e.

Check for DTCs.


Result:
Result Proceed to
B135013 and B135019 are not output A
B135013 or B135019 is output B



A

2.PERFORM ACTIVE TEST USING GTS

B

GO TO DTC CHART

Click hereVehicle Exterior>ACOUSTIC VEHICLE ALERTING SYSTEM>ACOUSTIC VEHICLE ALERTING SYSTEM>B135013


2.PERFORM ACTIVE TEST USING GTS
a.

Connect the GTS to the DLC3.


b.

Turn the power switch on (IG).


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Acoustic Vehicle Alerting System / Active Test.


e.

Perform the Active Test according to the display on the GTS.

Body Electrical > Acoustic Vehicle Alerting System > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Proximity Sound (Vehicle Stationary) 0 km/h (0 mph) vehicle proximity warning sound OFF or ON -
Body Electrical > Acoustic Vehicle Alerting System > Active Test
Tester Display
Proximity Sound (Vehicle Stationary)
50004 458 42001

Result:
Result Proceed to
The warning sound is produced A
The warning sound is not produced B



A

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER

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


B

3.CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - POWER SOURCE AND BODY GROUND)
3.CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - POWER SOURCE AND BODY GROUND)
a.

Disconnect the A45 vehicle approaching speaker controller connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
A45-1 (IG) - Body ground Power switch on (IG) 11 to 14 V



c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A45-6 (GND) - Body ground Always Below 1 Ω



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