DTC Confirmation Procedure

INSPECTION START
Is it necessary to erase permanent DTC?

YES: GO TO 3.

NO: GO TO 2.

PERFORM COMPONENT FUNCTION CHECK

NOTE: Use the component function check to check the overall function of the IAT sensor circuit. During this check, a 1st trip DTC might not be confirmed.

Turn ignition switch OFF.
Disconnect mass air flow sensor (bank 1) harness connector.

Check resistance between mass air flow sensor (bank 1) terminals as follows.

Terminals	Condition		Resistance (kΩ)
1 and 2	Temperature [°C (°F)]	25 (77)	1.800 - 2.200

Is the inspection result normal?

YES-1: To check malfunction symptom before repair: Refer to "INTERMITTENT INCIDENT ".

YES-2: Confirmation after repair: INSPECTION END

NO: Proceed to "DIAGNOSIS PROCEDURE ".

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.
  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.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 60 minutes.
2. Move the vehicle to a cool place.
  NOTE: Cool the vehicle in an environment of ambient air temperature between -10°C (14°F) and 35°C (95°F).
3. Turn ignition switch OFF and soak the vehicle for 12 hours.
  CAUTION: Never turn ignition switch ON during soaking.
  
  NOTE: The vehicle must be cooled with the food open.
4. Start engine and let it idle for 5 minutes or more.
  CAUTION: Never turn ignition switch OFF during idling.
5. Check 1st trip DTC.
  Is 1st trip DTC detected?
  
  YES: Proceed to "DIAGNOSIS PROCEDURE ".
  
  NO: INSPECTION END