DTC Confirmation Procedure

NOTE: Never remove fuel filler cap during DTC confirmation procedure.

CHECK DTC PRIORITY
If DTC P0451 is displayed with DTC P0452 or P0453, first perform the trouble diagnosis for DTC P0452 or P0453.

Is DTC P0452 or P0453 detected?

YES

Perform diagnosis of applicable.
- DTC P0452: Refer to DTC Description .
- DTC P0453: Refer to DTC Description .
NO

GO TO 2.
PRECONDITIONING
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.
With CONSULT

GO TO 3.

With GST

GO TO 6.
PERFORM DTC CONFIRMATION PROCEDURE-I
With CONSULT
1. Start engine and let it idle for least 40 seconds.
  NOTE: Do not depress accelerator pedal even slightly.
2. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

Proceed to Diagnosis Procedure .

NO

GO TO 4.
PERFORM DTC CONFIRMATION PROCEDURE-II
With CONSULT
1. On CONSULT screen, select "ENGINE">>"Data Monitor">>"EVAP DIAG READY".
2. Let it idle until "OFF" of "EVAP DIAG READY" changes to "ON".
  NOTE: It will take at most 2 hours until "OFF" of "EVAP DIAG READY" changes to "ON".
3. Turn ignition switch OFF and wait at least 90 minutes.
  NOTE: Never turn ignition switch ON during 90 minutes.
4. Turn ignition switch ON.
5. On CONSULT screen, select "ENGINE">>"Data Monitor">>"EVAP LEAK DIAG".
6. Check that "EVAP LEAK DIAG" indication.
Which is displayed on CONSULT?

CMPLT

GO TO 5.

YET
1. Perform DTC CONFIRMATION PROCEDURE again.
2. GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE-III
With CONSULT

Check 1st trip DTC.

Is DTC P0451 detected?

YES

Proceed to Diagnosis Procedure .

NO

To check malfunction symptom before repair: Refer to Intermittent Incident .

NO

Confirmation after repair: INSPECTION END.
PERFORM DTC CONFIRMATION PROCEDURE-IV
With GST
1. Start engine and let it idle for least 40 seconds.
  NOTE: Do not depress accelerator pedal even slightly.
2. Check 1st trip DTC.
Is DTC P0451 detected?

YES

Proceed to Diagnosis Procedure .

NO

GO TO 7.
PERFORM DTC CONFIRMATION PROCEDURE-V
With GST
1. Let it idle for at least 2 hours.
2. Turn ignition switch OFF and wait at least 90 minutes.
  NOTE: Never turn ignition switch ON during 90 minutes.
3. Turn ignition switch ON.
4. Check 1st trip DTC.
Is DTC P0451 detected?

YES

Proceed to Diagnosis Procedure .

NO

To check malfunction symptom before repair: Refer to Intermittent Incident .

NO

Confirmation after repair: INSPECTION END.