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DTC Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC P0017 is displayed with DTC P0078, first perform the trouble diagnosis for DTC P0078.
Is applicable DTC detected?
Perform diagnosis of applicable. Refer to DTC Index.
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2.CHECK OIL PRESSURE WARNING LIGHT
  1. Start engine.
  2. Check oil pressure warning light and confirm it is not illuminated.
Is oil pressure warning light illuminated?
Check the engine oil level. Refer to Inspection.
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3.CHECK EXHAUST VALVE TIMING CONTROL SOLENOID VALVE
Check the exhaust valve timing control solenoid valve. Refer to Component Inspection.
Is the inspection result normal?
.
Replace exhaust valve timing control solenoid valve. Refer to Exploded View.
 
4.CHECK CRANKSHAFT POSITION SENSOR
Check the crankshaft position sensor. Refer to Component InspectionComponent Inspection (Crankshaft Position sensor).
Is the inspection result normal?
.
Replace crankshaft position sensor. Refer to Exploded View.
 
5.CHECK EXHAUST CAMSHAFT POSITION SENSOR
Check the exhaust camshaft position sensor. Refer to Component Inspection.
Is the inspection result normal?
.
Replace exhaust camshaft position sensor. Refer to Exploded View.
 
6.CHECK CAMSHAFT (EXH)
Check the following.
  • Accumulation of debris to the signal plate of camshaft rear end
  • Chipping signal plate of camshaft rear end
Is the inspection result normal?
.
Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to Removal and Installation.
 
7.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?
Check timing chain installation. Refer to Removal and Installation.
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8.CHECK LUBRICATION CIRCUIT
Refer to Inspection.
Is the inspection result normal?
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
Clean lubrication line.