(1) Connect a battery positive (+) lead to terminal 1 and negative (-) lead to terminal 2, and check the movement of the spool valve.
OK:
Condition
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Specified Condition
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Battery voltage applied
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Valve moves in left arrow direction shown in illustration
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Battery voltage cut off
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Valve moves in right arrow direction shown in illustration
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NOTICE:
Accumulation of foreign matter can cause minor pressure leaks. Minor pressure leaks in the intake side oil control valve will cause the intake camshaft to advance and retard. Minor pressure leaks in the exhaust side oil control valve will cause the exhaust camshaft to advance and retard. The inappropriate camshaft timing that results from these leaks will cause a DTC to be stored.
If the result is not as specified, replace the camshaft timing oil control valve assembly.
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*a
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Component without harness connected
(Camshaft Timing Oil Control Valve Assembly)
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*b
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When Applied
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*c
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When Cut Off
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*d
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Spool Valve
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