DTC Logic
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P0197 | EOT SEN/CIRC (Engine oil temperature sensor circuit low) | An excessively low voltage from the engine oil temperature sensor is sent to ECM. |
|
P0198 | EOT SEN/CIRC (Engine oil temperature sensor circuit high) | An excessively high voltage from the engine oil temperature sensor is sent to ECM. |
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-264, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK ENGINE OIL TEMPERATURE SENSOR POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK ENGINE OIL 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 EOT SENSOR GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK ENGINE OIL TEMPERATURE SENSOR
Check the engine oil temperature sensor. Refer to EC-265, "Component Inspection (EOT Sensor)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace engine oil temperature sensor. Refer to EM-94, "Exploded View".
Component Inspection (EOT Sensor)
1.CHECK ENGINE OIL TEMPERATURE SENSOR
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace engine oil temperature sensor. Refer to EM-94, "Exploded View".
Headlights
Replacing the halogen headlight bulb
The headlight is a semi-sealed beam type which
uses a replaceable headlight (halogen) bulb. Because
the headlight assembly must be removed
from the vehicle for bulb replacement, see your
NISSAN dealer.
CAUTION
Aiming is not necessary after replacing
t ...
Rear air spoiler
Removal and installation
Rear air spoiler
High mounted stop lamp connector
(if equipped)
Trunk lid
Grommet
Nut
Front
Removal
Remove trunk lid finisher. Refer to INT-45, "Removal and Installation".
Disconnect the harness connector from the high mounted stop ...
Dtc/circuit diagnosis
Power supply and ground circuit
Audio unit
Audio unit : diagnosis procedure
Regarding wiring diagram information, refer to av-25, "wiring diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing t ...