Why does my green key light keep flashing?

The flashing key — or sometimes a car outline with a key inside of it — is the security indicator light. This light flashes when the ignition switch is placed in the OFF, LOCK or ACC position. The blinking security indicator light indicates that the security system(s) equipped on the vehicle are operational.

What does it mean when your key light flashes?

The flashing key — or sometimes a car outline with a key inside of it — is the security indicator light. This light flashes when the ignition switch is placed in the OFF, LOCK or ACC position. Fixing a concern with this light occasionally requires maintenance at a repair shop.

Why has my immobiliser stopped working?

Many immobilizer problems can be fixed simply by simply replacing the battery in the key fob. If the actual immobilizer system in the vehicle is to blame, then it could be due to the wires being corroded or damaged. Perhaps the engine control unit or its sensors are malfunctioning or faulty.

Why does my Acura MDX not turn on?

There are really two main ways that a vehicle will not start. The first and most common is when it won’t turn over. This just means that the engine doesn’t move when you turn the key. The second way that your MDX won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own.

Where is the Immobilizer on an Acura MDX?

Fuse 13 in the passenger’s side under-dash fusebox powers the immobilizer receiver (and a bunch of other stuff you’d probably notice wasn’t working, including the driver’s seat control and navigation if your MDX has it). Fuse #6 in the driver’s side under-dash fusebox seems to be involved, too…

Where can I find the MDX key immobilizer light?

You should be able to do some quick research on the options online… or maybe even find an MDXer in your area who’d let you borrow their HDS, or come over and hook it up to take a look at your car. Click to expand… Thanks for the reply. I’ll take a look into those fuses.

Is there a 2016 MDX that has not started?

I have a 2016 mdx that has twice now not started and just had crazy dash lights and warnings flickering. The first time, about a week ago, I had run a quick errand on my lunch break and when I got back into my car (about 30 minutes) it had this episode.

Why does my Acura MDX have a no start problem?

If you’re experiencing an intermittent no-start, look at your key ring setup (how many keys, the size of the key ring, and what the key fob’s made of.) Under certain conditions, any combination of too many keys and a large key ring, and a metal key fob can contribute to an occasional no-start. Here’s how:

When does the Immobilizer light come on on an Acura MDX?

When you start the X, the Immobilizer (key) dummy light comes on and goes off after a few seconds. If there is a problem with the key, the Immobilizer light is supposed to blink which would be very noticeable to me.

Can a 2003 Acura RL start without a transponder?

Keep in mind, this information was obtain referring to a 2003 ACURAL RL, but may work with other model years. A special, electronically coded key prevents the car from being started, even if a mechanical duplicate of the proper key shape is used. A transponder, built into the key, signals the immobilizer control unit that the key is genuine.

Where is the transponder code on an Acura?

The key’s transponder code is registered in the immobilizer unit of the vehicle. If this signal is correct, the immobilizer control unit will connect the starter and PGM-FI circuits when the ignition is switched ON. Important: The learning key (red) will not start the engine and must only be used for re-coding the system.