VEHICLE PROXIMITY NOTIFICATION SYSTEM The Sound does not Stop when The Engine is Operated or when The Shift Lever is in P

DTC Code DTC Name
The Sound does not Stop when The Engine is Operated or when The Shift Lever is in P

DESCRIPTION

The vehicle approaching speaker controller receives "permission signals*" from power management control ECU, and produces the warning sound from the vehicle approaching speaker assembly.

Tip:

*: Permission signals

  • Vehicle proximity notification system operation permitted (engine is stopped and shift lever is not in P).

  • Vehicle proximity notification system operation prohibited (engine is operating or shift lever is in P).

WIRING DIAGRAM

E302061E06

PROCEDURE

  1. CHECK FOR DTC (HYBRID CONTROL SYSTEM)

    1. Check for DTCs.

      Click here

      Powertrain > Hybrid Control > Trouble Codes

      OK

      DTCs are not output.

    Result

    Proceed to

    OK

    NG

    NG

    GO TO HYBRID CONTROL SYSTEM

    OK
  2. READ VALUE USING GTS (Permission Signal)

    1. Using the GTS, read the Data List.

      Click here

      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

      OK

      The GTS display changes according to the engine status or the shift lever position.

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER

    NG
  3. CHECK VEHICLE APPROACHING SPEAKER CONTROLLER (PERMISSION SIGNAL)

    1. E195974C41

      *a

      Component with harness connected

      (Vehicle Approaching Speaker Controller)

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      N39-11 (KOK) - N39-7 (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

    OK

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER

    NG
  4. CHECK VEHICLE APPROACHING SPEAKER CONTROLLER (PERMISSION SIGNAL)

    1. E298900C08

      *a

      Front view of wire harness connector

      (to Hybrid Vehicle Control ECU)

      Disconnect the hybrid vehicle control ECU connector.

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

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G193-7 (KOK) - Body ground

      Power switch on (IG)

      8 V or higher

      Note:

      After performing this procedure, connect the connector and clear the output DTCs.

      Click here

    Result

    Result

    OK

    NG

    OK

    REPLACE HYBRID VEHICLE CONTROL ECU

    NG
  5. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - HYBRID VEHICLE CONTROL ECU)

    1. Disconnect the N39 vehicle approaching speaker controller connector.

    2. Disconnect the G193 hybrid vehicle control ECU connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      N39-11 (KOK) - G193-7 (KOK)

      Always

      Below 1 Ω

      N39-11 (KOK) or G193-7 (KOK) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR