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Home >> Toyota >> 2013 >> Prius C >> Repair and Diagnosis (Single Page) >> Electrical >> Starter >> Smart Key System (Start Function) (Diagnostic Codes & Symptom Tests) >> SMART KEY SYSTEM (for Start Function) >> Symptom Tests >> Power Source Mode does not Change to ON (ACC) >> Procedure
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Power Source Mode does not Change to ON (ACC): Procedure

  1. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - 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 POWER MANAGEMENT CONTROL ECU See step   5 

    NG → See step   5 

    OK → CHECK RELAY CONTACT SIDE CIRCUIT 

  4. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL 
  5. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  REMOVAL