RM38N0EC _59 Vehicle Exterior _111868 ACOUSTIC VEHICLE ALERTING SYSTEM _0499572 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

E402275E95
5.656,5.76 6.948,6.25 1.292,0.49 10 false Vehicle Approaching Speaker Assembly 4.5,4.958 4.958,5.156 0.458,0.198 10 false SP+ 4.5,5.25 4.958,5.448 0.458,0.198 10 false SP- 4.469,6.969 4.927,7.167 0.458,0.198 10 false GND 3.521,7.792 4.833,8.281 1.313,0.49 10 false Vehicle Approaching Speaker Controller 0.708,7.49 2.656,7.792 1.948,0.302 10 false Combination Meter Assembly 0.854,2.396 3.521,2.615 2.667,0.219 10 false Hybrid Vehicle Control ECU 0.844,4.083 2.5,4.594 1.656,0.51 10 false Main Body ECU (Multiplex Network Body ECU) 0.719,5.792 2.625,6.302 1.906,0.51 10 false No. 2 Skid Control ECU (Brake Actuator Assembly) 1.885,0.896 2.979,1.104 1.094,0.208 10 false ECU-IGR NO. 1 0.167,0.729 1.656,1 1.49,0.271 10 false from IGR NO. 1 Relay 3.552,0.75 4.01,0.948 0.458,0.198 10 false IG 1.479,8.427 3.323,8.635 1.844,0.208 10 false : CAN Communication Line 3.354,0.615 3.51,0.813 0.156,0.198 10 false 1 4.885,4.844 5.042,5.042 0.156,0.198 10 false 7 4.885,5.135 5.042,5.333 0.156,0.198 10 false 8 4.875,6.833 5.031,7.031 0.156,0.198 10 false 6 6.01,5.135 6.167,5.333 0.156,0.198 10 false 1 6.01,4.844 6.167,5.042 0.156,0.198 10 false 2 5.656,5.594 6.115,5.792 0.458,0.198 10 false A8 3.521,7.625 3.979,7.823 0.458,0.198 10 false A86

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.

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



PROCEDURE

1.CHECK FOR DTC
a.

Check for DTCs.

Body Electrical > Vehicle Proximity Notification System > Trouble Codes
50001 458

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 B135013

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


2.PERFORM ACTIVE TEST USING GTS
a.

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

Body Electrical > Vehicle Proximity Notification 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 > Vehicle Proximity Notification 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 A86 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

Click Location & Routing(A86)Location & Routing

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

A86-1 (IG) - Body ground Ignition switch ON 11 to 14 V



c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(A86)Location & Routing

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

A86-6 (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