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Home >> Lexus >> 2007 >> GX 470 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Cellular Communication >> LEXUS Link System >> DTC 1-2: Option Configuration Error >> Inspection Procedure

Inspection Procedure

  1. CHECK MAYDAY ECU ASSEMBLY 
    1. Press the "SERVICES" button and check the LEXUS Link condition with the LEXUS Link call center.

    OK: 

    System operates normally. 

    NG: 

    Current DTC 1-2 exists. 

    NOTE: If replacement of the ECU is necessary, replace the mayday battery (backup battery) together with the ECU. After the replacement, register the ECU (See REGISTRATION  ).

    NG: REPLACE MAYDAY ECU ASSEMBLY (See  REMOVAL   ) 

    OK: END 

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