DTC Confirmation Procedure

TESTING CONDITION: 

Before performing the following procedure, confirm that battery voltage is more than 11 V at idle  .

WITH CONSULT

1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
4. Let engine idle for 1 minute.
5. Select "A/F SEN1 (B1) P1278/P1279" (for DTC P0133) or "A/F SEN1 (B2) P1288/P1289" (for DTC P0153) of "A/F SEN1" in "DTC WORK SUPPORT" mode with CONSULT.
6. Touch "START".

   If "COMPLETED" appears on CONSULT screen, go to step  10.

   If "COMPLETED" does not appear on CONSULT screen, go to the following step.

7. After perform the following procedure, "TESTING" will be displayed on the CONSULT screen.
   1. Increase the engine speed up to between 4, 000 to 5, 000 rpm and maintain that speed for 10 seconds.
   2. Fully release accelerator pedal and then let engine idle for approximately 10 seconds.

      If "TESTING" is not displayed after 10 seconds  , refer to TROUBLE DIAGNOSIS - SPECIFICATION VALUE .

8. Wait for approximately 20 seconds at idle under the condition that "TESTING" is displayed on the CONSULT screen.
9. Check that "TESTING" changes to "COMPLETED".

   If "TESTING" changed to "OUT OF CONDITION"  , refer to TROUBLE DIAGNOSIS - SPECIFICATION VALUE .

10. Check that "OK" is displayed after touching "SELF-DIAG RESULTS".

    If "NG" is displayed, go to "DIAGNOSIS PROCEDURE ".

    WITH GST

1. Start engine and warm it up to normal operating temperature.
2. Select Service $01 with GST.
3. Calculate the total value of "Short-term fuel trim" and "Long-term fuel trim" indications.

   Check that the total percentage should be within ± 15%.

   If OK, go to the following step.

   If NG, check the following.

   • Intake air leaks
   • Exhaust gas leaks
   • Incorrect fuel pressure
   • Lack of fuel
   • Fuel injector
   • Incorrect PCV hose connection
   • PCV valve
   • Mass air flow sensor
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1minute under no load.
6. Let engine idle for 1 minute.
7. Increase the engine speed up to between 4, 000 to 5, 000 rpm and maintain that speed for 10 seconds.
8. Fully release accelerator pedal and then let engine idle for approximately 1 minute.
9. Select Service $07 with GST.

If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".