Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2012 >> RX 350 AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Engine Immobilizer System (Diagnostics - Introduction) >> Engine Immobilizer System >> DTC Check / Clear >> DTC Check / Clear

DTC Check / Clear

  1. CHECK FOR CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DTC 
    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 Access / Trouble Codes.
    5. Check the details of the DTC(s). Refer to DIAGNOSTIC TROUBLE CODE CHART .
  2. CHECK FOR ECM DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    5. Check the details of the DTC(s).

      Refer to DIAGNOSTIC TROUBLE CODE CHART  for engine immobilizer system)

      Refer to DIAGNOSTIC TROUBLE CODE CHART for SFI system)

  3. CLEAR CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DTC 
    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 Access / Trouble Codes.
    5. Clear the DTCs.
  4. CLEAR ECM DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    5. Clear the DTCs.
scientia non olet · About Mike's Workshop Manuals