Nissan versa ecu reset. Wait until the light turns off to start the blinking process and quickly turn the key to off and remove the key. Turn ignition switch off and wait at least 10 seconds. Connect the x431 devicex431 prox431 pro3 or x431 v8 inch to your nissan.
Insert the key into the ignition and turn it to on. During the last 10 second period listen to the throttle body to make sure you hear it moving. Turn the ecu switch fully clockwise wait two seconds.
If the engine fails to start using a registered key for example when interference is caused by another registered key an automated toll road device or automatic payment device on the key ring restart the engine using the following procedures. Now you are in the trouble diagnostic mode with the check engine light blinking. Simply follow the same simple steps.
3 start the engine and let it run under the temp gauge is in the normal range. The majority of late model cars have a check engine light for the computer and a service engine soon light for required maintenance like oil changes. The nissan vehicle immobilizer system will not allow the engine to start without the use of a registered key.
To continue on to reseting ecu. Turn the ecu switch fully clockwise again and wait two seconds. Nissan only uses one light the service engine soon light to take care of these functions.
Turn ecu switch fully counter clockwise. Nissan actually has a procedure to access the fault codes and to erase them and reset the computer. 4 turn ignition switch off and wait at least 10 seconds.