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Home >> Toyota >> 2007 >> Avalon Limited >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door Lock >> Smart Key System >> DTC B2791 Communication Condition Failure between ECM >> Inspection Procedure

Inspection Procedure

  1. CHECK OPERATION OF ID CODE BOX 
    1. Check that the engine switch can be turned on (IG) and the engine starts.

      OK: 

      Engine switch can be turned on (IG) and the engine starts. 

    OK: END (SYSTEM IS NORMAL) 

    NG: CHECK THE OTHER DTC 

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