3 pulses for remote start activation
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=67740
Printed Date: July 02, 2025 at 4:20 PM
Topic: 3 pulses for remote start activation
Posted By: ryoder
Subject: 3 pulses for remote start activation
Date Posted: December 05, 2005 at 8:01 PM
I would like to install an add-on remote start on an 03 Nissan Maxima. The remote start requires 3 neg pulses within 5 seconds. The door locks are activated by a negative pulse but the SMART entry system only allows a single pulse--once the door is locked (after 1 pulse) no more pulses are delivered to the lock motor. Can I diode isolate the lock and unlock neg activation wires and directly connect both diodes to the remote start activation wire (for a lock-unlock-lock sequence), or do I need to use a relay that is diode isolated from the 12+ wires (on the lock motor) in order to deliver a sufficient neg pulse to the activation wire (again requiring the lock-unlock-lock sequence)?
Replies:
Posted By: wiretapper
Date Posted: December 05, 2005 at 9:01 PM
First choice should work fine. Just make sure the band on the diodes faces the lock/unlock wires.
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