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.
With CONSULT
- Turn ignition switch OFF.
- Disconnect mass air flow sensor harness connector and reconnect it again.
- Turn ignition switch ON.
- Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
- Check that "INT/A TEMP SEN" indicates as per following condition.
Monitor item
Condition
Value
INT/A TEMP SEN
Temperature [ deg.C (deg.F)]
25 (77)
1.9 - 2.1 V
Is the inspection result normal?
YES
To check malfunction symptom before repair: Refer to Inspection .
YES
Confirmation after repair: INSPECTION END
NO
Refer to DTC Diagnosis Procedure .
- PRECONDITIONING
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.
- PERFORM DTC CONFIRMATION PROCEDURE
- 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).
- 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.
- Start the engine and let it idle for 5 minutes or more.CAUTION: Never turn ignition switch OFF during idling.
- Check 1st trip DTC.
Is 1st trip DTC detected?
YES
Refer to DTC Diagnosis Procedure .
NO
To check malfunction symptom before repair: Refer to Inspection .
NO
Confirmation after repair: INSPECTION END
- Move the vehicle to a cool place.