Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC PRIORITY
If DTC P0017 is displayed with DTC P0078 or P1078, first perform the confirmation procedure (trouble diagnosis) for DTC P0078 or P1078.

Is applicable DTC detected?

YES

Perform diagnosis of applicable.
- DTC P0078: Refer to DTC Description .
- DTC P1078: Refer to DTC Description .
NO

GO TO 2.

CHECK ENGINE OIL PRESSURE WARNING LAMP

Start the engine.

Check that engine oil pressure warning lamp is not illuminated.

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Is engine oil pressure warning lamp illuminated?

YES

Proceed to Inspection .

GO TO 3.

CHECK EXHAUST VALVE TIMING CONTROL SOLENOID VALVE
Check exhaust valve timing control solenoid valve. Refer to Component Inspection (Exhaust Valve Timing Control Solenoid Valve) .

Is the inspection result normal?

YES

GO TO 4.

NO

Replace malfunctioning exhaust valve timing control solenoid valve. Refer to Exploded View .
CHECK EXHAUST VALVE TIMING CONTROL POSITION SENSOR
Check exhaust valve timing control position sensor. Refer to Component Inspection (Exhaust Valve Timing Control Position Sensor) .

Is the inspection result normal?

YES

GO TO 5.

NO

Replace malfunctioning exhaust valve timing control position sensor. Refer to Exploded View .
CHECK CRANKSHAFT POSITION SENSOR
Check crankshaft position sensor. Refer to Component Inspection (Crankshaft Position Sensor) .

Is the inspection result normal?

YES

GO TO 6.

NO

Replace crankshaft position sensor. Refer to Exploded View .
CHECK CAMSHAFT POSITION SENSOR
Check camshaft position sensor. Refer to Component Inspection (Camshaft Position Sensor) .

Is the inspection result normal?

YES

GO TO 7.

NO

Replace malfunctioning camshaft position sensor. Refer to Exploded View .

CHECK CAMSHAFT (EXH)

Check the following.

Accumulation of debris on the signal plate of camshaft rear end

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Chipping signal plate of camshaft rear end

Is the inspection result normal?

YES

GO TO 8.

Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to Removal and Installation .

CHECK TIMING CHAIN INSTALLATION
Check service records for any recent repairs that may cause timing chain misaligned.

Are there any service records that may cause timing chain misaligned?

YES

Check timing chain installation. Refer to Removal and Installation .

NO

GO TO 9.
CHECK LUBRICATION CIRCUIT
Perform "Inspection of Camshaft Sprocket (EXT) Oil Groove". Refer to Inspection after Installation .

Is the inspection result normal?

YES

INSPECTION END

NO

Clean lubrication line.