Toyota Sienna Service Manual: On-vehicle inspection

1. INSPECT CAMSHAFT TIMING CONTROL VALVE ASSEMBLY

1.  Connect the intelligent tester to the DLC3.
2.  Turn the ignition switch to the ON position.
3.  Start the engine and warm it up.
4.  Select the intelligent tester from the ACTIVE TEST menu.
5.  Check the engine speed when the OCV (camshaft timing oil control valve) is operated by the intelligent tester.

OK

REMOVAL

1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY

2. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY

3. DRAIN ENGINE COOLANT

4. REMOVE V-BANK COVER SUB-ASSEMBLY

5. REMOVE NO. 2 AIR CLEANER INLET

6. REMOVE NO. 1 AIR CLEANER INLET

7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY

9. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

10. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1 Exhaust Side)

1.  Disconnect the camshaft timing oil control valve assembly connector.
2.  Remove the bolt and camshaft timing oil control valve assembly.
3.  Remove the O-ring from the camshaft timing oil control valve.

11. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1 Intake Side)

1.  Disconnect the camshaft timing oil control valve assembly connector.
2.  Remove the bolt and camshaft timing oil control valve assembly.
3.  Remove the O-ring from the camshaft timing oil control valve.

12. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2 Exhaust Side)

1.  Disconnect the camshaft timing oil control valve assembly connector.
2.  Remove the bolt and camshaft timing oil control valve assembly.
3.  Remove the O-ring from the camshaft timing oil control valve.

13. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2 Intake Side)

1.  Disconnect the camshaft timing oil control valve assembly connector.
2.  Remove the bolt and camshaft timing oil control valve assembly.
3.  Remove the O-ring from the camshaft timing oil control valve.