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Home >> Toyota >> 2019 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 161 (Smart Key System (Start Function) - Diagnostics - Introduction - (Hybrid)) >> SMART KEY SYSTEM (for Start Function) >> DTC Check / Clear [11/2016 - ] >> DTC Check / Clear [11/2016 - ]
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DTC Check / Clear [11/2016 - ]

WARNING: This page is about a different variant/trim than selected.
NOTE:

When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.

  1. CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (POWER SOURCE CONTROL)) 
    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 / Power Source Control / Trouble Codes.

      Body Electrical > Power Source Control > Trouble Codes 

    5. Check for DTCs.
  2. CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (SMART KEY)) 
    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.

      Body Electrical > Smart Key > Trouble Codes 

    5. Check for DTCs.
  3. CHECK FOR DTC (HYBRID VEHICLE CONTROL ECU ASSEMBLY (HYBRID CONTROL)) 

    Refer to DTC CHECK / CLEAR [11/2016 - ]

  4. CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (POWER SOURCE CONTROL)) 
    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 / Power Source Control / Trouble Codes.

      Body Electrical > Power Source Control > Clear DTCs 

    5. Clear the DTCs by following the directions on the Techstream display.
  5. CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (SMART KEY)) 
    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.

      Body Electrical > Smart Key > Clear DTCs 

    5. Clear the DTCs by following the directions on the Techstream display.
  6. CLEAR DTC (HYBRID VEHICLE CONTROL ECU ASSEMBLY (HYBRID CONTROL)) 

    Refer to DTC CHECK / CLEAR [11/2016 - ]

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