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To activate a new transmitter in the tire pressure monitoring system WITHOUT the Nissan Consult scan tool: Under the dash above the OBD II connector is a single wire connector called the "tire pressure warning check connector". Use a jumper wire and ground the tire pressure warning check connector with the key OFF. Then turn the key ON and cycle the ground at the tire pressure warning check connector 5 times within 10 seconds of turning the key ON. This should cause the tire pressure monitor light to start flashing indicating the system is in "learn mode". Then use the activation tool starting at the left front tire and work around the vehicle in a clockwise direction - front left, front right, rear right and rear left. Activating each transmitter at each wheel should make the turn signal flash one time and after completing all 4 wheels, the turn signals should flash two times and all 4 time pressures should be displayed.
Check your owners manual. Often all 4 tires must be inflated to the same pressure (within a small percentage). Also, don't forget to check the spare (if the spare is equipped with a sensor).
There Are Cars That Require New Air Pressure Sensors When Replacing Tires. Wal-Mart Does Not Offer That Service. Just Tires, Tires Plus Etc Can Help You
Check your tires, you may have a bad tire and make sure it's at proper tire pressure 32psi. Also check all the linkage like the sway bar end links, the bushings could be worn and moving around. Best thing to do is spend some money and have a tire shop rebalanced the wheels $15.00 each at most places and have them inspect the front suspension for any damaged or worn parts causing the noise you have. You can try rotating the front to rear wheels to see if the noise moves from the front to the rear to eliminate the tires as the cause of the noise, just make sure there all at 32psi. Good luck and be safe.
First make sure all of the tires have at least 35 psi in them. The warning light comes on at 27.5 psi and goes off at above 33.5 psi. So make sure that you have the required 35 psi first. Once you have that, drive the vehicle a short distance the light should go out. If the light does not go out you can take it to the dealer to have them re-activate your sensors. Most tire shop have this tool also.
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