Diagnosis Procedure

If DTC P0016 is displayed with DTC P0075, first perform the trouble diagnosis for DTC P0075.

Is applicable DTC detected?

YES

Perform diagnosis of applicable. Refer to DTC Description .

NO

GO TO 2.

1. Start engine.
2. Check oil pressure warning lamp and confirm it is not illuminated.

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Is oil pressure warming lamp illuminated?

YES

Check the engine oil level. Refer to Inspection .

NO

GO TO 3.

Check intake valve timing control solenoid valve. Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 4.

NO

Replace malfunctioning intake valve timing control solenoid valve. Refer to Exploded View .

Check crankshaft position sensor (POS). Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 5.

NO

Replace crankshaft position sensor (POS). Refer to Exploded View .

Check camshaft position sensor (PHASE). Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 6.

NO

Replace malfunctioning camshaft position sensor (PHASE). Refer to Exploded View .

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 7.

NO

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

Check service records for any recent repairs that may cause timing chain misalignment.

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

YES

Check timing chain installation. Refer to Removal and Installation .

NO

GO TO 8.

Check lubrication circuit. Refer to Inspection .

Is the inspection result normal?

YES

INSPECTION END

NO

Clean lubrication line.