DTC Confirmation Procedure

Is it necessary to erase permanent DTC?

YES

GO TO 3.

NO

GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect mass air flow (MAF) sensor harness connector.
3. Check resistance between mass air flow sensor terminals as per the following.

Is the inspection result normal?

YES

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

YES

Confirmation after repair: INSPECTION END

NO

Proceed to Diagnosis Procedure .

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION:

• Before performing the following procedure, do not add fuel.
• Before performing the following procedure, check that fuel level is between 1/4 and 4/4.
• Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

GO TO 4.

1. Move the vehicle to a cool place.
   NOTE: Cool the vehicle in an environment of ambient air temperature between -10 deg.C (14 deg.F) and 35 deg.C (95 deg.F).
2. Turn ignition switch OFF and leave the vehicle for 12 hours.
   CAUTION: Never turn ignition switch ON during this procedure.
   NOTE: The vehicle must be cooled with the hood open.
3. Start the engine and let it idle for 5 minutes or more.
   CAUTION: Never turn ignition switch OFF during idling.
4. Check 1st trip DTC.

Is 1st trip DTC detected?

YES

Proceed to Diagnosis Procedure .

NO

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

NO

Confirmation after repair: INSPECTION END