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DTC Confirmation Procedure

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC confirmation procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. Before performing the following procedure, confirm that battery voltage is more than 11V at idle speed.

For DTC confirmation procedure, see Fig 1.

Fig 1: Identifying DTC Confirmation Procedure For DTC P1490: Vacuum Cut Valve Bypass Valve
G00266131Courtesy of NISSAN MOTOR CO., U.S.A.
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