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Camshaft Oil Control Valve: Inspection: Inspection

INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

Measure the resistance between the terminals.

Fig 1: Inspecting Camshaft Timing Oil Control Valve Assembly

GTY194732

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Resistance

Tester Connection	Condition	Specified Condition
1 - 2	20°C (68°F)	6.9 to 7.9 Ω

If the result is not as specified, replace the oil control valve assembly.

Check the operation
1. Connect a positive (+) battery lead to terminal 1 and a negative (-) battery lead to terminal 2, and check the movement of the valve.
  
  Fig 2: Connecting Battery Terminal To Valve Terminal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE:
  Confirm that the valve moves freely and does not stick in any position.
  
  If necessary, replace the camshaft timing oil control valve assembly.
  
  HINT:
  
  Accumulation of foreign matter can cause minor pressure leaks. Minor pressure leaks will cause the camshaft to advance or retard, and this will cause a DTC to be set.