There is No Sound Made [11/2023 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Acoustic Vehicle Alerting System > Trouble Codes 

   Result

   Result	Proceed to
   B1350-13 and B1350-19 are not output	A
   B1350-13 or B1350-19 is output	B

Result: 

B 

GO TO DTC CHART B1350-13. Refer to  DTC B1350-13: Acoustic Vehicle Alerting Speaker Circuit Open; DTC B1350-19: Acoustic Vehicle Alerting Speaker Circuit Current Above Threshold [11/2023 - ]  

Result: 

A 

See step  2

1. 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 (20km/h, 12MPH)	20 km/h (12 mph) vehicle proximity warning sound	OFF or ON	-

   Body Electrical > Acoustic Vehicle Alerting System > Active Test 

   Tester Display
   Proximity Sound (20km/h, 12MPH)

   Result

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

Result: 

A 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER. Refer to  REMOVAL [11/2023 - ] 

Result: 

B 

See step  3

1. Disconnect the A50 vehicle approaching speaker controller connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A50-1 (IG) - Body ground	Ignition switch ON	11 to 14 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A50-6 (GND) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER. Refer to  REMOVAL [11/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR