DTC Logic
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P0127 | IAT SENSOR-B1 (Intake air temperature too high) | Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signal from engine coolant temperature sensor. |
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DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION:
This test may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
NOTE:
Perform the following steps before engine coolant temperature is above 96В°C (205В°F).
CAUTION:
Always drive vehicle at a safe speed.
With GST
Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected? YES >> Proceed to EC-205, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK INTAKE AIR TEMPERATURE SENSOR
Check the intake air temperature sensor. Refer to EC-206, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace mass air flow sensor (with intake air temperature sensor). Refer to EM-25, "Exploded View".
Component Inspection
1.CHECK INTAKE AIR TEMPERATURE SENSOR
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace mass air flow sensor (with intake air temperature sensor). Refer to EM-25, "Exploded View".
Body alignment
Body Center Marks
A mark has been placed on each part of the body to indicate the vehicle
center. When repairing parts damaged
by an accident which might affect the vehicle frame (members, pillars, etc.),
more accurate and effective
repair will be possible by using these marks together with ...
Wiring diagram
Wiper and washer system
Wiring diagram - with intelligent key
Wiring diagram - without intelligent key
...
Daytime light system inoperative
Description
The daytime light system is inoperative even though the combination switch
(lighting and turn signal switch)
and parking brake switch are in the normal setting, also whenever engine is
operating.
Diagnosis procedure
1.Check daytime light operation
Perform bcm(headlamp) daytim ...