DTC Check / Clear [10/2013 - ]

WARNING: This page is about a different car, the 2014 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

If the Techstream is connected to the vehicle with the engine switch off, the information stored in smart key system related ECUs cannot be read. However, smart key system DTCs and Data List information can be confirmed even if the engine switch is off using the following method:

When using the Techstream with the engine 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.
Connect the Techstream to the DLC3, select the vehicle type under manual mode, and then enter the following menus: Body Electrical / Smart Key / Trouble Codes.

CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [POWER SOURCE CONTROL])
1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Power Source Control / Trouble Codes.
5. Check for DTCs.
  HINT:
  
  Refer to the Techstream operator's manual for further details.
CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [STARTING CONTROL])
1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Starting Control / Trouble Codes.
5. Check for DTCs.
  HINT:
  
  Refer to the Techstream operator's manual for further details.
CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [SMART KEY])
1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
5. Check for DTCs.
  HINT:
  
  Refer to the Techstream operator's manual for further details.
CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [POWER SOURCE CONTROL])
1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Power Source Control / Trouble Codes.
5. Clear the DTCs by following the directions on the Techstream display.
  HINT:
  
  Refer to the Techstream operator's manual for further details.
CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [STARTING CONTROL])
1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Starting Control / Trouble Codes.
5. Clear the DTCs by following the directions on the Techstream display.
  HINT:
  
  Refer to the Techstream operator's manual for further details.
CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [SMART KEY])
1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
5. Clear the DTCs by following the directions on the Techstream display.
  HINT:
  
  Refer to the Techstream operator's manual for further details.