I - Answered by a verified Toyota Mechanic This is the OBD connector in the Nissan Pathfinder. However, for cars manufactured from 1996 going forward, you will be expected to follow the above-discussed process. Eventually, you're going to reset the ECU. How to Retrieve Toyota Codes OBD1 and Definitions.Different DTC codes represent specific problems in your vehicle. com Toyota Diagnostic Trouble Code Retrieval Prius Hybrid NHW11 1. Tick on I understand and confirm the drivers door open, then Next. Nissan: 2000-2006: All models: Fail for monitor readiness. Locate the OBD-II port under the dashboard and plug in your scanner. If you have a hard code ie a malfunctioning sensor, the light will come right back on.