Diagnostic Test

1. Start engine.
2. Check that oil pressure warning lamp is not illuminated.

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Is oil pressure warning lamp illuminated?

YES 

Go to INSPECTION .

NO 

GO TO STEP 2  .

Refer to COMPONENT INSPECTION (INTAKE VALVE TIMING CONTROL SOLENOID VALVE) .

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Replace malfunctioning intake valve timing control solenoid valve. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

Refer to COMPONENT INSPECTION (CRANKSHAFT POSITION SENSOR) .

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

Replace crankshaft position sensor. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

Refer to COMPONENT INSPECTION (CAMSHAFT POSITION SENSOR) .

Is the inspection result normal?

YES 

GO TO STEP 5  .

NO 

Replace malfunctioning camshaft position sensor. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

Check the following.

• Accumulation of debris on the signal plate of camshaft front end

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• Chipping signal plate of camshaft front end

Is the inspection result normal?

YES 

GO TO STEP 6  .

NO 

Remove debris and clean the signal plate of camshaft front end or replace camshaft. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS or 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 STEP 7  .

Perform "Inspection of Camshaft Sprocket (INT) Oil Groove". Refer to INSPECTION .

Is the inspection result normal?

YES 

GO TO STEP 8  .

NO 

Clean lubrication line.

Refer to INTERMITTENT INCIDENT .

INSPECTION END