A recent power steering leak has gunked up my alternator, and thus it has been squeaking. So this past weekend I took the alternator out and cleaned it. However in the process of this the battery was disconnected, and I assume it wiped the remote id codes from the keyless entry box. I have been trying every way I can to reprogram my remote to no avail. Every part was working on the car before the alternator cleaning. So I'm 99% certain the security box is fine and the antenna is as well. But I replaced the key fob battery anyway. The theft fuse under the hood is fine. The remote is sending out a signal(was working before). But I cannot get the car into programming mode to accept the remotes signal. I cannot get the car to flash the hazards to signal its in programming mode. The method I've been using is: Get in and lock doors Insert and remove key from ignition 6+ times Press lock button on remote Unlock and open door I've tried all sorts of variations of this that people have suggested here, and on other Nissan forums. Open hatch first, turn key to acc position after getting hazards to flash after inserting and removing key. But I cannot get the car to enter programming mode. The under hood theft fuses are fine The antenna and security box is fine The remote is fine The key reminder works when door is opened All door, hatch, and hood switches all work, and the security light flashes when any are opened The security light will stay on solid for 30 seconds when key is locked from outside Driver and passenger lock solenoid is functioning flawlessly Remote is the correct FCC ID for my car I'm beyond stumped on this one, I've tried all different frequencies of inserting and removing the key, none are working. The car is a 1995 300zx, 122k miles, bone stock. Apologies for the long winded post, didn't want to leave anything out. Any suggestions?
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