LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> GS 430 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation >> Navigation System >> Cellular Phone cannot Send / Receive
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Cellular Phone cannot Send / Receive

  1. CHECK BLUETOOTH SETTINGS 
    1. Check if the BLUETOOTH settings are correct.

      OK : BLUETOOTH settings are correct. 

    NG : SET SETTINGS CORRECTLY 

    OK : GO TO NEXT STEP 

  2. CHECK CELLULAR PHONE 
    1. Check if the cellular phone is BLUETOOTH capable.

      HINT:

      Some versions of BLUETOOTH capable cellular phones may not be compatible.

      OK : Phone is BLUETOOTH capable. 

    NG : END (ONLY A BLUETOOTH CAPABLE CELLULAR PHONE CAN BE USED) 

    OK : GO TO NEXT STEP 

  3. CHECK SETTINGS 
    1. Check if the cellular phone functions.

      HINT:

      The cellular phone is unable to make a call under any of the following conditions:

      • The cellular phone is locked.
      • The directory is being transferred.
      • The line is crossed.
      • Transmission is regulated.
      • The power is off.
      • The cellular phone is not connected to BLUETOOTH ("BT" is displayed while connected).

        OK : Cellular phone functions normally. 

    NG : CHECK AND REPLACE CELLULAR PHONE 

    OK : GO TO NEXT STEP 

  4. CHECK CELLULAR PHONE 
    1. Check if the cellular phone can make a call.

      HINT:

      When the battery power is low, calls cannot be made or received.

      OK : Cellular phone can make a call. 

    NG : REPLACE CELLULAR PHONE 

    OK : GO TO NEXT STEP 

  5. CHECK RECEPTION 
    1. Set the cellular phone so that it can receive calls.
    2. Place the cellular phone close to the multi-display.
    3. Check if the cellular phone has reception according to the multi-display.

      OK : Cellular phone has reception. 

    NG : REPLACE MULTI-DISPLAY 

    OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE