Even when Engine is Started or Transmission Shift Main Switch (P Position Switch) is Pushed, Sound does not Stop [10/2017 - 09/2019]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2017 - 10/2023]

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output.	A
   DTCs are output.	B

Result: 

B 

GO TO HYBRID CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2017 - 09/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2018 - 09/2019] 

Result: 

A 

See step  2

1. Turn the power switch off.
2. Connect the Techstream the DLC3.
3. Turn the power switch on (IG).
4. Turn the Techstream on.
5. Enter the following menus: Body Electrical / Vehicle Proximity Notification System / Data List.
6. Read the Data List according to the display on the Techstream.

   Body Electrical > Vehicle Proximity Notification System > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Permission Signal	Vehicle proximity notification system permission signal	OFF or ON	OFF: Vehicle proximity notification system operation prohibited (engine is operating or shift state park (P)). ON: Vehicle proximity notification system operation permitted (engine is stopped and shift state not park (P)).	-

   Body Electrical > Vehicle Proximity Notification System > Data List 

   Tester Display
   Permission Signal

   Result

   Result	Proceed to
   The Techstream display changes according to the engine status or the selected shift state.	A
   The Techstream display does not change according to the engine status or the selected shift state.	B

Result: 

A 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER. Refer to  REMOVAL [10/2017 - 09/2019] 

Result: 

B 

See step  3

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Vehicle Approaching Speaker Controller)

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   G90-11 (KOK) - Body ground	Power switch on (READY), shift state park (P)	Below 2.3 V
   	Power switch on (READY), engine stopped and shift state not park (P)	8 V or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER. Refer to  REMOVAL [10/2017 - 09/2019] 

Result: 

NG 

See step  4

1. Disconnect the G90 vehicle approaching speaker controller connector.
2. Disconnect the G92 hybrid vehicle control ECU assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G90-11 (KOK) - G92-8 (KOK)	Always	Below 1 Ω
   G90-11 (KOK) or G92-8 (KOK) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

1. Replace the vehicle approaching speaker controller with a new or known good one.

   Refer to REMOVAL [10/2017 - 09/2019]

   OK

   The operation of the vehicle proximity notification system returns to normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (VEHICLE APPROACHING SPEAKER CONTROLLER WAS DEFECTIVE) 

Result: 

NG 

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [10/2017 - 09/2018]  , or refer to  REMOVAL [09/2018 - 10/2020]