Lexus IS250 · Service Manual BODY ELECTRICAL

Cellular Phone Registration Failure, Phone Directory Transfer Failure

Circuit diagnosis

INSPECTION PROCEDURE


1. CHECK CONDITION
  1. Proceed to the next step according to the table below.

    RESULT:
    Conditions
    Proceed To
    Another Bluetooth compatible cellular phone is present.
    A
    Another Bluetooth compatible vehicle is present.
    B
    None of the above
    C



B
Go to step 3

C
Go to step 4
A


2. CHECK USING ANOTHER CELLULAR PHONE
  1. Check if the system functions using another Bluetooth compatible cellular phone.

    HINT:
    1. Confirm that either the same or a different version of another Bluetooth compatible cellular phone complies with the system.
    2. Depending on the version, some Bluetooth compatible cellular phones cannot be used.

    OK:
    The system functions.



NG
REPLACE MULTI-DISPLAY
OK

USE A BLUETOOTH COMPATIBLE CELLULAR PHONE

3. CHECK USING ANOTHER BLUETOOTH COMPATIBLE VEHICLE
  1. Register the cellular phone with another vehicle and check if the system functions normally.

    HINT:
    Depending on the version, some Bluetooth compatible cellular phones cannot be used.

    OK:
    The system functions.



OK
REPLACE MULTI-DISPLAY
NG

USE A BLUETOOTH COMPATIBLE CELLULAR PHONE

4. CHECK CELLULAR PHONE
  1. Check if the cellular phone is Bluetooth compatible.

    HINT:
    Some versions of Bluetooth compatible cellular phones may not function.

    OK:
    The phone is Bluetooth compatible.



NG
USE A BLUETOOTH COMPATIBLE CELLULAR PHONE
OK


5. CHECK CELLULAR PHONE
  1. Check if a call can be made from the cellular phone.

    HINT:
    When the battery is low, registration or directory transfer cannot be done.

    OK:
    A call can be made from the cellular phone.



NG
REPAIR OR REPLACE CELLULAR PHONE
OK

REPLACE MULTI-DISPLAY


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