DTC P0605: Pcm-ECCS Control Module: Notes
WARNING: This page is about a different car, the 1998 Nissan Maxima. 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 described procedures (see DTC CONFIRMATION), intermittent recreation procedures or a test drive under conditions stored in freeze frame data. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM in TESTS W/CODES - INTRODUCTION article. If DTC cannot be duplicated, proceed to TESTS W/O CODES
article for diagnosis by symptom.