DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0112 | IAT SEN/CIRCUIT- B1 (Intake air temperature sensor 1 circuit low bank 1) | An excessively low voltage from the intake air temperature sensor is sent to ECM. |
P0113 | IAT SEN/CIRCUIT- B1 (Intake air temperature sensor 1 circuit high bank 1) | An excessively high voltage from the intake air temperature sensor is sent to ECM. |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected? YES >> Proceed to EC-208, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK INTAKE AIR TEMPERATURE SENSOR POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK INTAKE AIR TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK INTAKE AIR TEMPERATURE SENSOR GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK INTAKE AIR TEMPERATURE SENSOR
Check the intake air temperature sensor. Refer to EC-207, "Component Inspection".
Is the inspection result normal? YES >> GO TO 5.
NO >> Replace mass air flow sensor (with intake air temperature sensor). Refer to EM-24, "Exploded View".
5.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK INTAKE AIR TEMPERATURE SENSOR
Monitor item | Condition | Value (Approx.) |
INT/A TEMP SEN | Temperature [°C (°F)] 25 (77) | 1.9 - 2.1 (V) |
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace mass air flow sensor (with intake air temperature sensor). Refer to EM-24, "Exploded View".
Washer level switch signal circuit
Description
Transmits the washer fluid level switch signal to the combination meter.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram".
1.CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect comb ...
NISSAN vehicle immobilizer system
The NISSAN Vehicle Immobilizer System will not
allow the engine to start without the use of a
registered key.
Never leave these keys in the vehicle.
FCC Notice:
For USA:
This device complies with part 15 of the
FCC Rules. Operation is subject to the following
two conditions: (1) This device ...
Trouble diagnosis - specification value
Description
The specification (SP) value indicates the tolerance of the value that is
displayed in “SPEC” of “DATA MONITOR”
mode of CONSULT during normal operation of the Engine Control System. When the
value in “SPEC” of
“DATA MONITOR” mode is within the SP value, the Engine ...