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Home >> Toyota >> 2007 >> Prius Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door Lock >> Smart Key System >> Key Warning Light does not Come ON >> Inspection Procedure

Inspection Procedure

  1. CHECK MULTIPLEX COMMUNICATION SYSTEM 
    1. Check that the multiplex communication system operates normally.

      OK : Multiplex communication system operates normally. 

    NG : GO TO MULTIPLEX COMMUNICATION SYSTEM 

    OK : GO TO NEXT STEP 

  2. CHECK OPERATION OF COMBINATION METER 
    1. After replacing the combination meter with a new one, check that the key warning light operates normally.

      OK : Key warning light operates normally 

    NG : REPLACE CERTIFICATION ECU 

    OK : END 

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