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Home >> Toyota >> 2012 >> Prius Four >> Repair and Diagnosis (Single Page) >> External Pages >> Different variant/trim >> Section 17 (Engine Immobilizer System (Plug-In) (Diagnostics - Introduction)) >> Engine Immobiliser System >> DTC Check / Clear >> DTC Check / Clear
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DTC Check / Clear

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
    5. Check the details of the DTC(s). Refer to DIAGNOSTIC TROUBLE CODE CHART .
  2. CHECK FOR POWER MANAGEMENT CONTROL ECU DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / HV Control / Trouble Codes.
    5. Check the details of the DTC(s).

      Refer to DIAGNOSTIC TROUBLE CODE CHART  for engine immobiliser system)

      Refer to DIAGNOSTIC TROUBLE CODE CHART for hybrid control system)

  3. CLEAR CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
    5. Clear the DTCs.
  4. CLEAR POWER MANAGEMENT CONTROL ECU DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / HV Control / Trouble Codes.
    5. Clear the DTCs.
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