Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM10000000152ZW
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 - 09/2019]
Title: VEHICLE PROXIMITY NOTIFICATION SYSTEM: VEHICLE PROXIMITY NOTIFICATION SYSTEM (w/o Rear Vehicle Approaching Speaker): The Sound does not Stop when The Engine is Operated or when The Shift Lever is in P; 2018 - 2019 MY Camry HV [07/2017 - 09/2019]

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 hybrid vehicle control ECU assembly, and produces the warning sound from the vehicle approaching speaker assembly.

HINT:

*: 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

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the hybrid vehicle control ECU assembly, refer to Registration.

Click here 2018 - 2019 MY Camry HV [07/2017 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION

PROCEDURE

1.

CHECK FOR DTC

(a) Check for DTCs.

Powertrain > Hybrid Control > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B
B

GO TO HYBRID CONTROL SYSTEM

for Nickel Metal Hydride Battery: Click here 2018 MY Camry HV [07/2017 - 09/2018]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): DIAGNOSTIC TROUBLE CODE CHART 2019 - 2020 MY Camry HV [09/2018 - 10/2020]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): DIAGNOSTIC TROUBLE CODE CHART

for Lithium-ion Battery: Click here 2018 MY Camry HV [07/2017 - 09/2018]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): DIAGNOSTIC TROUBLE CODE CHART 2019 - 2020 MY Camry HV [09/2018 - 10/2020]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): DIAGNOSTIC TROUBLE CODE CHART

A

2.

READ VALUE USING TECHSTREAM

(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

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

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
A

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER

B

3.

CHECK VEHICLE APPROACHING SPEAKER CONTROLLER (PERMISSION SIGNAL)

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

K57-11 (KOK) - Body ground

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

*a

Component with harness connected

(Vehicle Approaching Speaker Controller)
OK

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER

NG

4.

CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - VEHICLE APPROACHING SPEAKER CONTROLLER)

(a) Disconnect the K69 hybrid vehicle control ECU assembly connector.

(b) Disconnect the K57 vehicle approaching speaker controller connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K69-7 (KOK) - K57-11 (KOK)

Always

Below 1 Ω

K69-7 (KOK) or K57-11 (KOK) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

5.

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER

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

Click here 2018 - 2019 MY Camry HV [07/2017 - 09/2019]; VEHICLE PROXIMITY NOTIFICATION SYSTEM: VEHICLE APPROACHING SPEAKER ECU: REMOVAL

OK:

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

OK

END (VEHICLE APPROACHING SPEAKER CONTROLLER WAS DEFECTIVE)
NG

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY