LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Navigation) >> Navigation System >> Cellular Phone Registration Failure, Phone Directory Transfer Failure >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CURRENT CONDITIONS 
    1. Proceed to the next step according to the table below

      Result 

      RESULT CHART

      Condition 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: Go to Next Step 

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

      HINT

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

      OK: The system functions. 

    NG: REPLACE MULTI-DISPLAY  (See REMOVAL  )

    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. 

    NG: USE A BLUETOOTH COMPATIBLE CELLULAR PHONE 

    OK: REPLACE MULTI-DISPLAY  (See REMOVAL  )

  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: Go to Next Step 

  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  (See REMOVAL  )