I have a 05 Nissan Murano SL a while back my battery term...

I have a 05 Nissan Murano SL a while back my battery terminal slipped off and the engine quit and a little bit of smoke came from behind the radio I tried to start it and even tried to jump it off but it won’t do anything all the ...

I have a 05 Nissan Murano SL a while back my battery terminal slipped off and the engine quit and a little bit of smoke came from behind the radio I tried to start it and even tried to jump it off but it won’t do anything all the lights stay on in the dash my security light keeps blinking and my head lights and [tail lights](/topics-tail-light/) don’t work and my front wipers don’t even come on and it won’t even read on the diagnostics thing I have what could it be Mechanic's Assistant: Have you checked the bulbs? Have you checked the connection? Ive checked everything on it that I could think of my hazard flashers and turn signals work though Mechanic's Assistant: What year is your Murano? 2005 Mechanic's Assistant: Are you fixing your Murano yourself? What have you tried so far? Yes I’m trying to fix it any way Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? That’s all that I know of

Automotive Expert
Hello, I'll be happy to help you out with this, and so sorry you're having this trouble. My name is \*\*\*\*\* \*\*\*\*\* just want to let you know you may receive an invitation for a phone call, you may or may not accept this, it's automated from the system though, not me directly. So just so I'm understanding perfectly, you had smoke come from behind the radio inside the car? Have you pulled the radio out to see what caused that yet? It certainly sounds like several things got fried, but we'll do our best to try to find out which ones.

Well when the battery terminal came off is when it happened and the engine quit
Automotive Expert
Right, have you pulled the radio out to see what burned?

It didn't look like anything was burned but all my dash lights stayed on and my head lights and tail lights won't come on my front windshield wipers won't workbut my turn signals and caution lights work engine won't even turn over
Automotive Expert
Ok, for anything to give off smoke, that's obviously not good at all, and we need to find if there are any melted wires or components that smell like they've given up the magic smoke haha. The other thing we need to do is start checking voltages with a multimeter in your underhood fuse and relay block. I would actually start with the fusible links which are connected directly to the positive cable and provide the main power the blocks and charging system.

Ok I did try to do a diagnostic check on it and it wouldn't even read the codes or anything
Automotive Expert
Right, that's why we need to start with the main power sources. Either the ECU isn't getting power or it's been surged and probably ruined. You have some power obviously since your cluster lights and turn signals work but maybe it just blew a bunch of other fuses.

I checked all my fuses even the ones under the hood
Automotive Expert
Interesting, if the fuses are all good both inside and out then the ECM/ECU has been fried, but most likely other components as well. Let me find the diagram just to make sure, but if it's receiving power and you can't read data from, it's dead.

Automotive Expert
I'm going to send you the wiring diagram for the obd port you plug the scanner into, and what we need to do is check ports 6 and 8 for power with the key on, they need to be getting at least 12V or around that.

I got it I'm going to get a volt meter in the morning is it ok if I get back with ya tomorrow sometime on it
Automotive Expert
Absolutely. I'm going to send you another diagram with a highlighted wire on it, it's the power wire to the ECM which is behind your glove box. We need to test that point for voltage, on pin 111, a white with a black stripe wire. I'll talk with you tomorrow. Any multimeter should do the trick really for what we'll need.

Ok thanks
Automotive Expert
Hey, just checking in to see if you were able to check on these items yet. No big deal at all if not, just let me know when you do.

Ok thanks

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