DTC DETECTION LOGIC
NOTE: If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC, "DTC Logic".
DTC No. | Trouble diagnosis (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P1078 |
EXH TIM SEN/CIRC-B1 (Exhaust camshaft position sensor circuit) | An excessively high or low voltage from the 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.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10.5 V with ignition switch ON.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected?
YES >> Proceed to EC, "Diagnosis Procedure".
NO >> INSPECTION END
1.CHECK GROUND CONNECTION
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK EXHAUST CAMSHAFT POSITION SENSOR POWER SUPPLY CIRCUIT
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK EXHAUST CAMSHAFT POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK EXHAUST CAMSHAFT POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK EXHAUST CAMSHAFT POSITION SENSOR
Refer to EC, "Component Inspection".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace exhaust camshaft position sensor. Refer to EM, "Exploded View".
6.CHECK CAMSHAFT (EXT)
Check the following.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to EM, "Removal and Installation".
7.CHECK INTERMITTENT INCIDENT
Refer to GI, "Intermittent Incident".
>> INSPECTION END
1.CHECK EXHAUST CAMSHAFT POSITION SENSOR-I
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace exhaust camshaft position sensor. Refer to EM, "Exploded View".
2.CHECK EXHAUST CAMSHAFT POSITION SENSOR-II
Check resistance exhaust camshaft position sensor terminals as follows.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace exhaust camshaft position sensor. Refer to EM, "Exploded View".
Description For A/T models or CVT models, transmission range switch is turn ON when the selector lever is P or N. For M/T models, park/neutral position (PNP) range switch is ON when the selector ...
DTC Logic DTC DETECTION LOGIC NOTE: DTC P1148 is displayed with DTC for A/F sensor 1. When the DTC is detected, perform the trouble diagnosis of DTC corresponding to A/F sensor 1. DTC ...
Break-in schedule
CAUTION
During the first 1,200 miles (2,000 km),
follow these recommendations to obtain
maximum engine performance and ensure
the future reliability and economy of your
new vehicle. Failure to follow these recommendations
may result in shortened
engine life and reduced engine
performance.
...
Maintenance schedules
To help ensure smooth, safe and economical
driving, NISSAN provides two maintenance
schedules that may be used, depending upon the
conditions in which you usually drive. These
schedules contain both distance and time intervals,
up to 120,000 miles
(192,000 km)/144 months. For most people, the
...