Last Modified: 08-21-2023 |
6.11:8.1.0 |
Doc ID: RM100000001ATPS |
Model Year Start: 2019 |
Model: Avalon HV |
Prod Date Range: [04/2018 - 08/2020] |
Title: VEHICLE PROXIMITY NOTIFICATION SYSTEM: VEHICLE PROXIMITY NOTIFICATION SYSTEM: The Sound does not Stop when The Engine is Operated or when The Shift Lever is in P; 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020] |
The Sound does not Stop when The Engine is Operated or when The Shift Lever is in P
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DESCRIPTION
The vehicle approaching speaker controller receives "permission signals*" from hybrid vehicle control ECU, and produces the warning sound from the vehicle approaching speaker assembly.
HINT:
*: Permission signals
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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
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the hybrid vehicle control ECU, refer to Registration.
Click here
PROCEDURE
(a) Check for DTCs.
Powertrain > Hybrid Control > Trouble Codes
Result
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Proceed to
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DTCs are not output
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A
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DTCs are output
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B
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A
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|
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2.
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READ VALUE USING TECHSTREAM
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(a) Connect the Techstream the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Vehicle Proximity Notification System / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Vehicle Proximity Notification System > Data List
Tester Display
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Measurement Item
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Range
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Normal Condition
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Diagnostic Note
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Permission Signal
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Vehicle proximity notification system permission signal
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OFF or ON
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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).
|
-
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Body Electrical > Vehicle Proximity Notification System > Data List
Tester Display
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Permission Signal
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Result
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Proceed to
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The Techstream display changes according to the engine status or the shift lever position
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A
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The Techstream display does not change according to the engine status or the shift lever position
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B
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B
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|
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3.
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CHECK VEHICLE APPROACHING SPEAKER CONTROLLER (PERMISSION SIGNAL)
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*a
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Component with harness connected
(Vehicle Approaching Speaker Controller)
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(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
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Condition
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Specified Condition
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G38-11 (KOK) - Body ground
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Power switch on (READY), shift lever in P
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Below 2.3 V
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Power switch on (READY), engine stopped and shift lever not in P
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8 V or higher
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NG
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|
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4.
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CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - VEHICLE APPROACHING SPEAKER CONTROLLER)
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(a) Disconnect the G46 hybrid vehicle control ECU connector.
(b) Disconnect the G38 vehicle approaching speaker controller connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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G46-7 (KOK) - G38-11 (KOK)
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Always
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Below 1 Ω
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G46-7 (KOK) or G38-11 (KOK) - Body ground
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Always
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10 kΩ or higher
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NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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OK
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|
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5.
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REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER
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(a) Replace the vehicle approaching speaker controller with a new or known good one.
Click here
OK:
The operation of the vehicle proximity notification system returns to normal.
OK |
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END (VEHICLE APPROACHING SPEAKER CONTROLLER WAS DEFECTIVE)
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