DTC Confirmation Procedure

Do you have CONSULT?

Do you have CONSULT? 

YES: GO TO 2.

NO: GO TO  7.

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

   TESTING CONDITION: 

   For better results, perform " DTC WORK SUPPORT  " at a temperature of 0 to 30°C (32 to 86°F). 

   : GO TO 3.

With CONSULT 

1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT.
2. Start engine and warm it up to the normal operating temperature.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Turn ignition switch OFF and wait at least 10 seconds.
6. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for at least 1 minute under no load.
7. Let engine idle for 1 minute.
8. Make sure that "COOLAN TEMP/S" indicates more than 70°C (158°F).
9. Drive the vehicle in a proper gear at 60 km/h (38 MPH) and maintain the speed.
   CAUTION: Always drive vehicle at a safe speed.
10. Release the accelerator pedal fully at least 5 seconds.
    CAUTION:

    • Enable the engine brake.
    • Always drive carefully.
    • Never apply brake when releasing the accelerator pedal.
11. Repeat step  9 and  10 at least 8 times.
12. Check the following item of "DATA MONITOR".

    DTC	Data monitor item	Status
    P0139	HO2 S2 DIAG1 (B1)	CMPLT
    	HO2 S2 DIAG2 (B1)
    P0159	HO2 S2 DIAG1 (B2)
    	HO2 S2 DIAG2 (B2)

    Is "CMPLT" displayed on CONSULT screen? 

    YES: GO TO  6.

    NO-1: "CMPLT" is not displayed on DIAG 1: Perform DTC confirmation procedure again.

    NO-2: "CMPLT" is not displayed on DIAG 2: GO TO 4.

1. Open engine hood.
2. Select "HO2S2 (B1) P0139" or "HO2S2 (B2) P0159" of "HO2S2" in "DTC WORK SUPPORT" mode with CONSULT.
3. Start engine and follow the instruction of CONSULT display.
   NOTE: It will take at most 10 minutes until "COMPLETED" is displayed.

   Is "COMPLETED" displayed on CONSULT screen? 

   YES: GO TO  6.

   NO: GO TO 5.

1. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
2. Perform DTC confirmation procedure again.

   : GO TO  3.

With CONSULT 

Perform ECM self-diagnosis.

Is DTC "P0139" or "P0159" detected? 

YES: Proceed to "DIAGNOSIS PROCEDURE ".

NO: INSPECTION END

Perform component function check. Refer to "COMPONENT FUNCTION CHECK ".

Is the inspection result normal? 

YES: INSPECTION END

NO: Proceed to "DIAGNOSIS PROCEDURE ".