Need help on a 360 spider

Start simple. Is the battery ok? A weak battery and the whole electric system can act crazy.



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Hook up a OBD and see if there's any codes

 

Are you sure you have the sequence right? I do one click on ignition, THEN button on fob, wait for Check Ok, then turn on.

 

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Strange. You would assume that the instrument panel is getting some kind of power for this symbol to appear. I would still check the instrument fuses in the frunk (F8 and F14)

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If the red warning triangle is illuminated, it could be that your (crash detection) inertia switch has been activated, but I have never heard of these kinds of symptoms before. Have you simply accidentally pushed the hazard button?

Inside the car? Do you mean the instrument binnacle is buzzing, or the alarm siren is going off?

If it's a power issue, try to figure out what is working and what is not. Interior lights? With the ignition on, do your external lights work? Horn? Do the windows open/close?

 

Do the doors lock?


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What happens when you press the button on the fob? Do you get a beep and a light flash?

When does the alarm start to sound?

Maybe take a video of the entire process and post here?

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So definitely a power issue. It's almost as if your frunk battery cutoff switch is in off, but somehow you're still getting some power. Can you cycle the cutoff switch?

There are a number of critical fuses:

1) Maxi fuses near the battery:

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These are permanently connected to the battery, so take care when checking these.

2) Fuse 80 behind the driver's seat for power to the ignition key.

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This is also live. Also check fuse 72.

If you have a multimeter, check the voltage at both ends of the fuses (battery cutoff switch not in cutoff) with your negative (black) multimeter probe to a good chassis earth.

 

When you press the fob button, you should hear 2 beeps, then the OK comes on. Once in a while mine goes a little cuckoo and I wait a few seconds and hit the button again.

Now I did have a really crazy glitch when I first took the car out this year and tried to put the top down. Everything was reversed. It cleared itself afterwards.

 

Alarm issues are not going to cause interior/exterior light problems or horn problems. The horn runs directly off the battery via a maxifuse (next to the battery). The instruments use the same maxi fuse as one source of power (the instruments also use ignition key power). If that maxi fuse is ok, then you have battery power or battery earth issues (including battery cutoff issues). The latter are rare, but they do happen.

Similarly, interior lights run directly off battery power (via fuse 72... fuse 70 on earlier cars... and the big battery buss terminal behind the driver). It won't be this fuse causing issues. It's something further upstream, closer to the battery. The Immobiliser also needs live battery power (via a fuse below the horn fuse). This is probably why the immobiliser is not working properly.

 

Not really sure what button you are hitting after you insert the key. I have a 3 pedal manual and there is no start button. I just turn the key and the car starts.

 

The immobiliser fob button.

 

Ok, that's what you press once and the car beeps twice. You don't press it again.

 

I think Joshua knows this. He didn't get the expected result when he pushed the fob button outside the car, so he tried it again inside the car with the key turned.

 

Got it.

Mine gets confused once in a while and it'll beep 3 times and it won't start. I just wait a few seconds and it fixes itself.