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Home >> Lexus >> 2013 >> ES 350 >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Starter >> Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) >> Symptom Tests >> Power Source Mode does not Change to ON (ACC) >> Procedure

Power Source Mode does not Change to ON (ACC): Procedure

  1. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) See step   3 

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  2. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY See step   4 

    NG → See step   4 

    OK: Go to next step 

  3. INSPECT CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) See step   5 

    NG → See step   5 

    OK → CHECK RELAY CONTACT SIDE CIRCUIT 

  4. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [06/2012 - ] 
  5. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [06/2012 - ] 
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