SFI SYSTEM (w/o Electronic Throttle Control System) DTC CHECK / CLEAR


  1. CHECK DTC


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON and turn the tester ON.

    3. Enter the following menus: Powertrain / Engine and ECT / DTC.

    4. Check DTCs and freeze frame data, and then write them down.

      Tech Tips

      If you need help when using the intelligent tester, refer to the instruction manual.

    5. Confirm the details, referring the DTC chart.

      Tech Tips

      Multiple failure detection list

      Malfunction Regularly Output DTC Possibly Output DTC Engine Condition
      Open or short in injector circuit

      P0261 or P0262

      P0264 or P0265

      P0267 or P0268

      P0301, P0300

      P0302, P0300

      P0303, P0300

      		 Rough idle
      Open or short in igniter circuit

      P0301

      P0302

      P0303

      		 - Rough idle
      Misfire

      P0301

      P0302

      P0303

      P0300

      		 - Rough idle
      Open or short manifold absolute pressure sensor circuit P0107 or P0108 - Rough idle or lack of power
      Manifold absolute pressure sensor characteristic P0106 P0171, P0172 Rough idle or lack of power
      Air leakage intake system after throttle - P0106 High idle engine speed
      Fuel system P0171 or P0172 P0300, P0301, P0302, P0303 High idle engine speed
      Engine speed sensor P0335 - Does not start
      EEPROM (inside ECM) P0603 P2109 (This DTC also output when new ECM installed), P1127 Does not start
      Open or short in throttle position sensor circuit P0122 or P0123 - -

  2. FREEZE FRAME DATA


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON and turn the tester ON.

    3. Read DTCs by entering the following menus: Powertrain / Engine and ECT / DTC.

    4. Select a parameter(s) to check the freeze frame data.

    5. Note down the DTC(s) and freeze frame data.

      Tech Tips

      If you need help when using the intelligent tester, refer to the instruction manual.

  3. CLEAR DTC AND FREEZE FRAME DATA (using the intelligent tester)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON (do not start the engine) and turn the tester ON.

    3. Enter the following menus: Powertrain / Engine and ECT / DTC / Clear.

    4. Clear DTCs and freeze frame data by pressing the YES button on the tester.

      Tech Tips

      If you need help when using the intelligent tester, refer to the instruction manual.

  4. CLEAR DTC AND FREEZE FRAME DATA (not using the intelligent tester)


    1. Remove the EFI fuse from the engine room R/B for more than 60 seconds, or disconnect the negative battery cable for more than 60 seconds. When disconnecting the negative battery cable, perform the "INITIALIZE" procedure.