The Sound does not Stop when The Engine is Operated or when The Shift Lever is in P [02/2014 - 11/2016]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [02/2014 - 11/2016]

   Powertrain > Hybrid Control > Trouble Codes 

   Result

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

Result:  2

B 

GO TO HYBRID CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2014 - 11/2015]  Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2015 - 11/2016] 

Result:  1

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Vehicle Proximity Notification System / Data List.
5. 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 lever is in P). ON: Vehicle proximity notification system operation permitted (engine is stopped and shift lever is not in 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 shift lever position.	A
   The Techstream display does not change according to the engine status or the shift lever position.	B

Result:  1

A 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER. Refer to  REMOVAL [02/2014 - ] 

Result:  2

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
   F17-11 (KOK) - F17-7 (GND)	Power switch on (READY), shift lever in P	Below 2.3 V
   	Power switch on (READY), engine stopped and shift lever not in P	8 V or higher

   Result

   Result
   OK
   NG

Result:  1

OK 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER. Refer to  REMOVAL [02/2014 - ] 

Result:  2

NG 

See step  4

1. Disconnect the F17 vehicle approaching speaker controller connector.
2. Disconnect the F15 power management control ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F17-11 (KOK) - F15-21 (KOK)	Always	Below 1 Ω
   F17-11 (KOK) or F15-21 (KOK) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  1

OK 

See step  5

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

   Refer to REMOVAL [02/2014 - ]

   OK

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

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

END (VEHICLE APPROACHING SPEAKER CONTROLLER WAS DEFECTIVE) 

Result:  2

NG 

REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  REMOVAL [02/2014 - 11/2016]