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 sensor harness connector and reconnect it again.
3. Turn ignition switch ON.
4. Select "DATA MONITOR" mode with CONSULT.
5. Check that "INT/A TEMP SEN" indicates as per following condition.

   Monitor item	Condition		Value (Approx.)
   INT/A TEMP SEN	Temperature [ deg. C (deg. F)]	25 (77)	1.9 - 2.1 (V)

Is the inspection result normal?

YES

INSPECTION END

NO

Proceed to DTC Diagnosis Procedure 

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:

• 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 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 DTC Diagnosis Procedure 

NO

INSPECTION END