Community Member Credit: Eddy

Nissan and Infiniti engineered their cars to be able to detect and sense when the vehicle is either in PARK or NEUTRAL. This is very important when installing a remote start system in your manual transmission Nissan Maxima or Infiniti to avoid the vehicle staring in gear (and causing an unwanted accident). Many folks (even longtime professional installers) do not know about this and therefore do not install remote start systems on manual cars. This is actually very straight-forward to do. 

Please note that the below is for the part where you tap into the Neutral Safety Input on your Remote start unit. You still have to follow the normal directions of installing the alarm or remote start unit. 

When the car is in Park or Neutral, the ECU will see 0-volts. If not at 0, the car will not start. You can easily test this with a multi-meter to confirm as we did. The ECU gets its signal from the Park Neutral Safety switch. It also goes by the name Neutral Safety Switch or Inhibitor switch (they essentially work the same).

The Neutral Safety Switch Wire is usually GREEN/ORANGE on Automatic cars, and GREEN/WHITE on 5/6-Speed Manual cars. You just basically tap into this wire and use it to connect to the Neutral Safety Switch Input on your remote start. Most DEI, Viper, Compustar Remote Start and Alarm systems have this. Once this is done, you will now be able to operate your remote start no different than how it’s down on Automatic Transmission cars. It’s very safe and reliable as the signal is coming from the ECU.

It is strongly recommended that you have experience or work with a professional alarm/remote start installer. Please be very cautious and always verify with a multi-meter when in doubt. If you are doubtful and want to test in gear, put in the last (6th) gear and make sure there are no cars around you. Keep your e-Brake on as well through the whole process. 

Pin Output References:

  • 4thgen: ECU PIN 22
  • 5thgen: ECU PIN 44
  • 6thgen: ECM PIN 102
  • Altima SE-R: ECM PIN 102
  • Infiniti G35: ECM PIN 102
  • Will add others as I get them. 

1995-1999 4thgen ECU Pinout

NSS Wire – Neutral Safety Switch – Green w/ White Strip – ECM PIN 22

2000-2003 5thgen ECU Pinout

NSS Wire – Neutral Safety Switch – Green w/ White Strip – ECM PIN 44

2004-2006 6thgen ECU Pinout

NSS Wire – Neutral Safety Switch – Green w/ White Strip – ECM PIN 102

2005-2006 Altima SE-R ECU Pinout

NSS Wire – Neutral Safety Switch – Green w/ White Strip – ECM PIN 102 (Same as 6thgen Maxima)

Demo of How it Works

1998 Nissan Maxima


Credit: the12volt

Constant 12V+ White/Red or White/Purple Ignition Switch Harness
Starter Black/Yellow or Black/White Ignition Switch Harness
Ignition Black/White or Black/Red Ignition Switch Harness
Ignition 2 Starter 2 Wire Red/Yellow or Red Ignition Switch Harness
Accessory Blue or White/Blue Ignition Switch Harness
Tach White/Green ECM, Front of Center Console
Neutral Safety Wire Green/Orange Switch on Driver’s Side
Brake Switch Red/Green Brake Switch
Trunk Release Purple/Yellow (-) Driver’s Kick Panel
Trunk Pin Purple/Yellow (-) Driver’s Kick or BCM below Radio
Parking Lights Red/Green (+) Steering Column Harness
Head Lamp Blue/Black R And Gray/Yellow L at Steering Column
Hood Pin Yellow/Black (-) BCM below Radio
Factory Disarm Green/Yellow (-) Double Pulse Will Unlock Doors
Door Trigger Red/White (-) Low in Driver’s Kick Panel
Door Lock Light Green/Red(-) Driver’s Door
Door Unlock Green/Yellow (-) Double Pulse Unlock
Driver’s Lock Brown/White In Driver’s Door at Switch
Driver’s Unlock Brown In Driver’s Door at Switch
Passenger Unlock Brown In Driver’s Door at Switch
Horn Wire Green/White (-) Steering Column
Windows Up LF=Blue/RedData Link Switch, Must go to each Switch in each Door
Windows Down LF=Blue/Black


Community Member Credit: Kenny

Hey guys, so for those of you like me that want the song title/cd title, etc to show on your display i finally found the solution! (if it hasn’t been found already). I’ve looked everywhere on this forum and didn’t seem to find the answer myself so i went ahead and experimented different ways of showing your CD info on the display when playing audio CD’s on your factory radio.

So now for the steps:

  1. Open up iTunes
  2. Make a new playlist of music you want to copy to a disc
  3. Click On “File>Burn Playlist To Disc”
  4. A Mini Screen will pop up and you have to check on “include cd txt” (picture below)

  5. Insert disc in cd player, Press On the left audio button and go to the last one that says “display info” (or something like that? turn the knob until it says track title/cd title etc. and wala! you can now see your song names on your factory radio.

On the pictures below, You will see the boring (track #), then you will see your fun new display with the song name!

It made a huge difference too me, now instead of seeing a boring display I can enjoy reading what im listening too, me personally i prefer it to say the track name, and maybe others will too….enjoy!

PS. If you want your 04-06 to be like the 07-08 display that you can have it say anything you want, say I want my display to say “kaygmaxima”, all you have to do is name your playlist that your burning to the disc whatever you want and change your display setting with the right side knob and choose the option to show your “cd title” and when you play your CD your display will say whatever was desired.(i forgot to take pictures of that, but if really needed i will add to this thread when possible)


Community Member Credit: DAlastDON

When I bought my 07 maxima one of the things that sold me on the car was the intelligent key fob. Its nice to not have to dig in my pocket to get my keys out. Just walk up push the button on the door handle and im in. After talking to alot of alarm installers and a couple nissan dealerships they all told me that if an aftermarket alarm was installed i would lose the convience of the intelliegent key on the door locks. Also asked if it was possiable to add shock and tilt sensors to the factory alarm and was told that it could not be done.

This led me to google and i saw in alot of bmw, scion, toyota, etc.. forums of people adding sensors onto existing factory alarm triggers in the doors, hood, trunk pins. So i ordered three things, a DEI 507M(tilt sensor), DEI 504D(shock sensor) and DEI 528T(timer). Other items purchased from a local automotive store were, simple on/off switch, standard automotive relay, wire, and materials required to splice the wires together.

The relay is used to shut down the sensors when the key is turned on to avoid the info screen displaying that the trunk is open while driveing. The timer is used to temporaialy disable the sensors while exiting the car. Without the timer you would not be able to immedialy lock the doors and put the factory alarm in “pre-arm” due to the shock sensor sending a gound pulse to the trunk switch. It would cancle the “pre-arm” because it would sense the trunk was open and the alarm would never fully arm. If you wanted to wait about 10 seconds after the last door was shut everytime then the timer woudlnt be required.

Only four connections to the car are needed. One for constant 12v, Accesory 12v, ground, and the trunk switch.

First thing i did was draw a schematic of all the connections.

Next using a multimeter i found connections in the fuse box for 12v constant and 12v accessory. I used the fuel lid for 12v constant and cig lighter for 12v accessory. Then found a good ground next to the fuse panel. After finding the power connections the negative side of the battery is disconnected.

Next I decided where i wanted the sensors and timer/relay located. The sensors are located underneath the center console glued down using crazy glue gel and the timer/relay are located behind climate controls.

A simple push button switch was put inside center console storage space just in case it storms real bad and the wind/rain keep triggering the alarm.

Makeing the connection from trunk switch can be made from one of two places. Either at the BCM(pin#42) behind the fuse box or right at the trunk latch. Its a very small wire and i didnt have a small enough splice block to pierce the insulation at the BCM so i routed a wire from the switch i installed in the arm rest storage to the trunk latch. The wire is violet with a white stripe. I striped back enough wire to to stick into the connector then plug the connector back in. Make sure your wire will make contact inside the connector or nothing will work.

Routing the trigger wire from the switch in the armrest to the trunk is easy but going from the trunk to the trunk lid through the rubber hose and through the inside of the trunk lid is difficult. I pushed a stiff piece of wire inch by inch through the rubber hose. Put tape around the end of the wire so it doesnt poke through the hose as you push and carefully bend and guide it around the curve of the hose. Once through tape your wire comeing from the switch in the armrest to the wire you stuck through the rubber hose then carefully pull it back through. It will get stuck on the other wires several times. Just be patient. To get the trigger wire though the inside of the trunk lid it is even more difficult. I used a long piece of stiff wire and fished it from the latch to the rubber hose. It will take several attempts to get the wire though. Once through just tape the trigger wire on and pull it right through. It may have been easier if dynamat wasnt installed previously not only on the trunk side but also between the inner and outer skin of the trunk lid. Not pictured are all the cuts and scratches on my right hand.

The relay used is just a generic 5 pin relay found at any automotive parts store. I pulled my dash apart to see if it had a brand or part number on it and it had nothing. To the best of my knowledge any 5 pin relay with a normally open and normally closed contact will work. I got mine from autozone. I just told the guy at the counter that i needed a 5 pin relay. On the bottom of the relay the pins are numbered. Make sure the one you get has and “87” and “87a”. The letter after the “87” can be anything. On mine its “87q”.

I have zero problems. The intelikey works exactly as it did before.

The trigger outputs are connected to the trunk pin(switch). A picture is worth a 1000 words. Cant make this any clearer.

Be sure to turn the sensitivity all the way up on the shock sensor via the screw adjustment on the sensor. When i roughed the install in to test it and had everything just laying in the back floor board just a little peck on the window would activate the shock sensor. But after putting it under the center console i had to turn it all the way up and it takes a good thud on the window. The preset sensitivity of the tilt sensor is perfect, it triggers after the car has been jacked up a few inches at all four tires. We have had a couple of good thunderstorms with 50mph winds with no false alarms yet.

Picked this up at autozone where the fuses are. It allows you to tap into one fuse socket and fuse two items separately. Im going to add another to the fuel lid connection soon so i can fuse it separately as well. Didn’t feel like making another trip to autozone to pick up another at the time. Make sure its for the mini fuse and not the full size.