DTC P0405 Or DTC P0406: EGR Temperature Sensor: Notes

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Using the following diagnostic procedure assumes the presence of a current (hard) DTC or the ability to duplicate the setting of the DTC using DTC confirmation test(s), intermittent recreation procedures or a test drive under conditions stored in freeze frame data. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM. If DTC cannot be duplicated, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom.

NOTE: Perform the following DTC confirmation tests in order. Check for DTC after each DTC confirmation test is performed. If DTC is set, perform DIAGNOSTIC PROCEDURE. If DTC is not set, turn ignition off for 10 seconds between each DTC confirmation test.