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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. If the target idle speed is out of the specified value, perform IDLE AIR VOLUME LEARNING , before conducting DTC confirmation procedure. Before performing the following procedure, confirm that battery voltage is more than 11V at idle. Always perform the test at a temperature above 14°F (-10°C). For diagnostic procedure, see DIAGNOSTIC PROCEDURE .

For DTC confirmation procedure, see Fig 1.

Fig 1: Identifying DTC Confirmation Procedure For DTC P0506: ISC System
G00256767Courtesy of NISSAN MOTOR CO., U.S.A.
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