DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P1078 | EXH TIM SEN/CIRC-B1 (EXH TIM SEN/CIRC-B1) | An excessively high or low voltage from the sensor is sent to ECM. |
POSSIBLE CAUSE
FAIL-SAFE
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-385, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK EXHAUST VALVE TIMING (EVT) CONTROL POSITION SENSOR POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Perform EC-484, "Diagnosis Procedure".
Is inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK EVT CONTROL POSITION SENSOR GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK EVT CONTROL POSITION SENSOR INPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK EVT CONTROL POSITION SENSOR
Check the EVT control position sensor. Refer to EC-387, "Component Inspection".
Is the inspection result normal? YES >> GO TO 6.
NO >> Replace EVT control position sensor. Refer to EM-64, "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-64, "Removal and Installation".
7.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.EXHAUST VALVE TIMING (EVT) CONTROL POSITION SENSOR-1
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace EVT control position sensor. Refer to EM-64, "Exploded View".
2.EVT CONTROL POSITION SENSOR-2
Check resistance EVT control position sensor terminals as shown below.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace EVT control position sensor. Refer to EM-64, "Exploded View".
Air conditioner system refrigerant and oil recommendations
The air conditioner system in your NISSAN
vehicle must be charged with the refrigerant
HFC-134a (R-134a) and NISSAN A/C
system oil Type ND-OIL8 or the exact
equivalents.
CAUTIONThe use of any other refrigerant or oil will
cause severe damage to the air conditioning
system and will ...
Fuel gauge
Principle
The current fill level of the fuel tank is displayed.
General information
Vehicle inclination may cause the display to vary.
Additional information:
Refueling.
Display
An arrow next to the fuel pump
symbol indicates the vehicle side
on which the fuel filler flap is located.
The current r ...
Symptom diagnosis
INTELLIGENT KEY SYSTEM SYMPTOMS
Symptom Table
CAUTION:
Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform
the trouble diagnosis
if any DTC is detected.
Symptom
Inspection item
Door does not lock/unlock with door lock and unlock switch
...