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Home >> Lexus >> 2009 >> IS F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostics) >> Can Communication System >> ECM Communication Stop Mode >> Procedure

ECM Communication Stop Mode: Procedure

  1. CHECK ECM POWER SOURCE CIRCUIT 
    1. Check the ECM power source circuit. Refer to ECM Power Source Circuit .

      OK

      The ECM power source circuit is normal.

      HINT: 

      If there is no abnormality in the ECM power source circuit, replace the ECM.

    NG → REPAIR OR REPLACE ECM POWER SOURCE CIRCUIT 

    OK → See step   2 

  2. REPLACE ECM. Refer to  REMOVAL 
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