Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Cellular Phone Registration Failure

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System / Cellular Phone Registration Failure

CAUTION / NOTICE / HINT

NOTICE:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

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PROCEDURE

1.

CHECK USAGE CONDITION

(a) Check that the vehicle and cellular phone meet the following conditions:

NOTICE:

If changing cellular phone settings, updating software, etc. is necessary, make sure to obtain the permission of the customer before performing it.

  • The cellular phone is "Bluetooth" compatible.

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  • "Bluetooth" setting of the cellular phone is on.
  • Operating system and software of the cellular phone are the latest versions.
  • There are no other radio wave emitting devices ("Wi-Fi" communication device, etc.) in the cabin.
  • The "Wi-Fi" setting of the cellular phone is off.
  • The "Wi-Fi" tethering setting of the cellular phone is off.

(b) Register the cellular phone again and check if it is registered correctly.

HINT:

If operation of the cellular phone or radio receiver assembly is requested, make sure to follow the instructions closely and perform the operation.

Result

Proceed to

Cellular phone can be registered.

A

Cellular phone cannot be registered.

B
A

END
B

2.

RESTART CELLULAR PHONE

(a) Restart the cellular phone.

(b) Turn the engine switch off.

(c) Turn the engine switch on (ACC).

(d) Register the cellular phone as a connected device again and check if it is registered correctly.

HINT:

If operation of the cellular phone or radio receiver assembly is requested, make sure to follow the instructions closely and perform the operation.

Result

Proceed to

Cellular phone can be registered.

A

Cellular phone cannot be registered.

B
A

END
B

3.

BRING CELLULAR PHONE NEAR IN-VEHICLE DEVICE

(a) Place the cellular phone close to the radio receiver assembly.

(b) Register the cellular phone as a connected device again and check if it is registered correctly.

HINT:

If operation of the cellular phone or radio receiver assembly is requested, make sure to follow the instructions closely and perform the operation.

Result

Proceed to

Cellular phone can be registered.

A

Cellular phone cannot be registered.

B
A

END
B

4.

CLEAR REGISTERED DEVICE INFORMATION

(a) Clear all "Bluetooth" devices registered to the cellular phone and the radio receiver assembly.

(b) Register the cellular phone as a connected device again and check if it is registered correctly.

HINT:

If operation of the cellular phone or radio receiver assembly is requested, make sure to follow the instructions closely and perform the operation.

Result

Proceed to

Cellular phone can be registered.

A

Cellular phone cannot be registered.

B
A

END
B

5.

RESTART CELLULAR PHONE

(a) Restart the cellular phone.

(b) Turn the engine switch off.

(c) Turn the engine switch on (ACC).

(d) Register the cellular phone as a connected device again and check if it is registered correctly.

HINT:

If operation of the cellular phone or radio receiver assembly is requested, make sure to follow the instructions closely and perform the operation.

Result

Proceed to

Cellular phone can be registered.

A

Cellular phone cannot be registered.

B
A

END
B

6.

CHECK USING ANOTHER VEHICLE

(a) Check if the cellular phone can be registered normally to another "Bluetooth" compatible vehicle of the same model.

HINT:

  • Make sure to obtain the customer's permission to perform this procedure.
  • After the inspection, clear the registered information and usage history acquired during the inspection.
  • If operation of the cellular phone or radio receiver assembly is requested, make sure to follow the instructions closely and perform the operation.

Result

Proceed to

Cellular phone can be registered.

A

Cellular phone cannot be registered.

B
A

REPLACE RADIO RECEIVER ASSEMBLY

B

7.

CHECK USING ANOTHER CELLULAR PHONE

(a) Using another "Bluetooth" compatible cellular phone, register the cellular phone and check that it is registered correctly.

HINT:

  • Make sure to obtain the customer's permission to perform this procedure.
  • After the inspection, clear the registered information and usage history acquired during the inspection.
  • If operation of the cellular phone or radio receiver assembly is requested, make sure to follow the instructions closely and perform the operation.

Result

Proceed to

Cellular phone can be registered.

A

Cellular phone cannot be registered.

B
A

END (ONLY A "Bluetooth" COMPATIBLE CELLULAR PHONE CAN BE USED)
B

REPLACE RADIO RECEIVER ASSEMBLY

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    Cellular Phone Inspection
    PROCEDURE 1. CHECK USAGE CONDITION (a) Check that the vehicle and cellular phone meet the following conditions: NOTICE: If changing cellular phone settings, updating software, etc. is necessa ...

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