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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Vehicle Proximity Notification System - Diagnostic Codes & Symptom Tests - (Hybrid) >> Vehicle Proximity Notification System >> Symptom Tests >> There is No Sound Made [10/2014 - 10/2015] >> Procedure

There is No Sound Made [10/2014 - 10/2015]: Procedure

  1. CHECK DTC OUTPUT 
    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 / Trouble Codes.
    5. Check for DTCs.

      Result

      Result Proceed to
      DTC B1350 is not output A
      DTC B1350 is output B
      Communication with the Techstream is not possible C

    Result: 

    B 

    GO TO DTC CHART B1350 

    (Refer to DTC B1350: Speaker Circuit [10/2014 - ] )

    Result: 

    C 

    GO TO DIAGNOSTIC PROCEDURE (Communication between Vehicle Proximity Notification System and Diagnostic Tool is not Possible) 

    (Refer to Communication between Vehicle Proximity Notification System and Diagnostic Tool is not Possible [10/2014 - ] )

    Result: 

    A 

    See step  2

  2. PERFORM ACTIVE TEST USING TECHSTREAM (Proximity Sound (Vehicle Stationary)) 
    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 / Active Test.
    5. Perform the Active Test according to the display on the Techstream.
      VEHICLE PROXIMITY NOTIFICATION SYSTEM

      Tester Display Test Part Control Range Diagnostic Note
      Proximity Sound (Vehicle Stationary) Proximity sound (Vehicle stationary) OFF or ON Produces warning sound when vehicle is stopped

      Result

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

    Result: 

    B 

    See step  10

    Result: 

    A 

    See step  3

  3. READ VALUE USING TECHSTREAM (Stop Light SW) 
    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.
      VEHICLE PROXIMITY NOTIFICATION SYSTEM

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Stop Light SW Stop light switch / OFF or ON OFF: Brake pedal released
      ON: Brake pedal depressed      		 -

      Result

      Result Proceed to
      The Techstream display changes according to brake pedal operation A
      The Techstream display does not change according to brake pedal operation B

    Result: 

    B 

    See step  12

    Result: 

    A 

    See step  4

  4. READ VALUE USING TECHSTREAM (Vehicle Speed) 
    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.
      VEHICLE PROXIMITY NOTIFICATION SYSTEM

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Vehicle Speed Vehicle speed / Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) Almost the same as actual vehicle speed -

      Result

      Result Proceed to
      The Techstream display changes according to the vehicle speed A
      The Techstream display does not change according to the vehicle speed B

    Result: 

    B 

    See step  14

    Result: 

    A 

    See step  5

  5. READ VALUE USING TECHSTREAM (Oil Pressure SW) 
    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.
      VEHICLE PROXIMITY NOTIFICATION SYSTEM

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Oil Pressure SW Oil pressure switch / OFF or ON OFF: Engine started
      ON: Engine not started      		 -

      Result

      Result Proceed to
      The Techstream display changes according to engine operation A
      The Techstream display does not change according to engine operation B

    Result: 

    B 

    See step  16

    Result: 

    A 

    See step  6

  6. READ VALUE USING TECHSTREAM (Shift Position) 
    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.
      VEHICLE PROXIMITY NOTIFICATION SYSTEM

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Shift Position P position switch / Not Parking or Parking Not Parking or Parking -

      Result

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

    Result: 

    A 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    B 

    See step  7

  7. CHECK VEHICLE APPROACHING SPEAKER CONTROLLER 
    1. Disconnect the D104 power management control ECU connector.
    2. Measure the voltage according to the value(s) in the table below.
      GTY597149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Voltage

      Tester Connection Condition Specified Condition
      D104-15 (P2) - Body ground Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Power Management Control ECU)

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  8

  8. CHECK POWER MANAGEMENT CONTROL ECU 
    1. Reconnect the D104 power management control ECU connector.
    2. Measure the voltage according to the value(s) in the table below.
      GTY589404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Voltage

      Tester Connection Condition Specified Condition
      D104-15 (P2) - Body ground Power switch on (IG), shift lever in P Below 2.5 V
      Power switch on (IG), shift lever not in P 8 V or higher
      TEXT IN ILLUSTRATION

      *a Component with harness connected
      (Power Management Control ECU)

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    NG 

    REPLACE POWER MANAGEMENT CONTROL ECU 

    (Refer to REMOVAL [10/2014 - 10/2015] )

  9. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - POWER MANAGEMENT CONTROL ECU) 
    1. Disconnect the D108 vehicle approaching speaker controller connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D108-11 (SFTP) - D104-15 (P2) Always Below 1 Ω
      D108-11 (SFTP) or D104-15 (P2) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  10. INSPECT VEHICLE APPROACHING SPEAKER ASSEMBLY 
    1. Remove the vehicle approaching speaker assembly (Refer to REMOVAL [10/2014 - ] ).
    2. Inspect the vehicle approaching speaker assembly (Refer to INSPECTION [10/2014 - ] ).

    Result: 

    NG 

    REPLACE VEHICLE APPROACHING SPEAKER ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    OK 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - VEHICLE APPROACHING SPEAKER ASSEMBLY) 
    1. Disconnect the D108 vehicle approaching speaker controller connector.
    2. Disconnect the A48 vehicle approaching speaker assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D108-3 (SP+) - A48-1 (+) Always Below 1 Ω
      D108-8 (SP-) - A48-2 (-) Always Below 1 Ω
      D108-3 (SP+) or A48-1 (+) - Body ground Always 10 kΩ or higher
      D108-8 (SP-) or A48-2 (-) - Body ground Always 10 kΩ or higher
      A48-1 (+) - A48-2 (-) Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  12. CHECK STOP LIGHT OPERATION 
    1. Check that the stop lights come on when the brake pedal is depressed, and go off when the brake pedal is released.

      OK

      Condition Illumination Condition
      Brake pedal depressed On
      Brake pedal released Off

    Result: 

    NG 

    GO TO LIGHTING SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] )

    Result: 

    OK 

    See step  13

  13. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - ENGINE ROOM JUNCTION BLOCK ASSEMBLY) 
    1. Disconnect the D108 vehicle approaching speaker controller connector.
    2. Disconnect the A22 stop light switch assembly connector.
    3. Disconnect the J21 radio setting condenser connector.
    4. Disconnect the O9 rear combination light assembly LH connector.
    5. Disconnect the O13 rear combination light assembly RH connector.
    6. Disconnect the W1 center stop light assembly connector.
    7. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D108-2 (STP) - A22-1 (OUT) Always Below 1 Ω
      D108-2 (STP) or A22-1 (OUT) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  14. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - COMBINATION METER ASSEMBLY) 
    1. Disconnect the D108 vehicle approaching speaker controller connector.
    2. Disconnect the D9 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D108-6 (SPD) - D9-9 (+S) Always Below 1 Ω
      D108-6 (SPD) or D9-9 (+S) - Body ground Always 10 kΩ or higher

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  15

  15. CHECK COMBINATION METER ASSEMBLY 
    1. Reconnect the D108 vehicle approaching speaker controller connector.
    2. Reconnect the D9 combination meter assembly connector.
    3. Check the input waveform.
      GTY584690Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the combination meter assembly with the connector(s) still connected.
      2. Connect an oscilloscope to terminal D9-9 (+S) and body ground.
      3. Turn the power switch on (IG).
      4. Turn a wheel slowly.
      5. Check the signal waveform according to the condition(s) in the table below.
        Item Condition
        Tool setting 5 V/DIV., 20 ms./DIV.
        Vehicle condition Power switch on (IG), wheel being rotated
        TEXT IN ILLUSTRATION

        *a Component with harness connected
        (Combination Meter Assembly)

        OK

        The waveform is similar to that shown in the illustration.

        HINT: 

        When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    NG 

    GO TO METER / GAUGE SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] )

  16. CHECK ENGINE OIL PRESSURE SWITCH ASSEMBLY (INPUT SIGNAL) 
    1. Disconnect the D108 vehicle approaching speaker controller connector.
    2. Measure the voltage according to the value(s) in the table below.
      GTY558692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Voltage

      Tester Connection Condition Specified Condition
      D108-12 (OPSW) - Body ground Idling* 8 V or higher
      Power switch on (IG) Below 2 V

      HINT: 

      *: Put the engine in inspection mode (Refer to INSPECTION MODE PROCEDURE [10/2014 - ] ).

      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Vehicle Approaching Speaker Controller)

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    NG 

    See step  17

  17. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - ENGINE OIL PRESSURE SWITCH ASSEMBLY) 
    1. Disconnect the D108 vehicle approaching speaker controller connector.
    2. Disconnect the B35 engine oil pressure switch assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D108-12 (OPSW) - B35-1 Always Below 1 Ω
      D108-12 (OPSW) or B35-1 - Body ground Always 10 kΩ or higher

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  18

  18. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY 
    1. Remove the engine oil pressure switch assembly (Refer to REMOVAL [10/2014 - ] ).
    2. Inspect the engine oil pressure switch assembly (Refer to INSPECTION [10/2014 - ] ).

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] )

    Result: 

    NG 

    REPLACE ENGINE OIL PRESSURE SWITCH ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

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