Doing a Parasitic Draw Test; Burning Through Fuses
Senior Member
Joined: Apr 2021
Posts: 1,841
Likes: 25
From: Maine
You said the body shop replaced the headlights.
That alone could possibly be your issue as they have several "wiring connections" that could be faulty.
I would also ask do you have the self-leveling headlights?
If not installed correctly the servo motors that make the self-leveling adjustments can easily cause electrical issues if they are not working correctly.
Especially if they are running and shouldn't be.
That alone could possibly be your issue as they have several "wiring connections" that could be faulty.
I would also ask do you have the self-leveling headlights?
If not installed correctly the servo motors that make the self-leveling adjustments can easily cause electrical issues if they are not working correctly.
Especially if they are running and shouldn't be.
Senior Member
Joined: Oct 2018
Posts: 10,515
Likes: 216
From: Northern California
You said the body shop replaced the headlights.
That alone could possibly be your issue as they have several "wiring connections" that could be faulty.
I would also ask do you have the self-leveling headlights?
If not installed correctly the servo motors that make the self-leveling adjustments can easily cause electrical issues if they are not working correctly.
Especially if they are running and shouldn't be.
That alone could possibly be your issue as they have several "wiring connections" that could be faulty.
I would also ask do you have the self-leveling headlights?
If not installed correctly the servo motors that make the self-leveling adjustments can easily cause electrical issues if they are not working correctly.
Especially if they are running and shouldn't be.
It really goes back to someone that is experienced is problem solving basic 12 volt vehcle electrical system needs to run the tests.
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Junior Member
Joined: Feb 2025
Posts: 8
Likes: 0
From: on a bench
on a beach that could be if US Florida or CA. lol
Also whom ever was your employee at Mazda dealership he gave you information overload and either did not himself understand the how things work between a dealership and an auto manufacture or was just guessing based on someone else doing the same. But how a dealership works is another subject altogether.
The update you asked about it would not be fair or correct of me to "guess" if you needed it or already had it uploaded? Thats what the service VIN information world show. If not its free and I would have done it just as a courtesy even if it were not a Mazda notification. You could always ask about it next time at Mazda? But word it as if you seem to have gotten a safety recall of sorts about a battery drain issue. That way you don't have to explain where you read about it. lol I need to smile at time constantly when customers bring my service updates and TSBs and they tell me that what they think is wrong with their vehicle. I often smile and say thank but if I do this service, you want, and it does not cure the issue I need to charge you for that service.
I can suggest that if you feel you are not being properly taken care of at service level go ask to speak to the service manager. Be polite about it. Do not threaten to go to Mazda crop because that will get you the boot from the dealership. Again it is because it is privately owned business. I think I could explain why they are passing the buck not helping you and using Mazda crop as the villain. But you would need to at least PM with some information for me to check out.
Also whom ever was your employee at Mazda dealership he gave you information overload and either did not himself understand the how things work between a dealership and an auto manufacture or was just guessing based on someone else doing the same. But how a dealership works is another subject altogether.
The update you asked about it would not be fair or correct of me to "guess" if you needed it or already had it uploaded? Thats what the service VIN information world show. If not its free and I would have done it just as a courtesy even if it were not a Mazda notification. You could always ask about it next time at Mazda? But word it as if you seem to have gotten a safety recall of sorts about a battery drain issue. That way you don't have to explain where you read about it. lol I need to smile at time constantly when customers bring my service updates and TSBs and they tell me that what they think is wrong with their vehicle. I often smile and say thank but if I do this service, you want, and it does not cure the issue I need to charge you for that service.
I can suggest that if you feel you are not being properly taken care of at service level go ask to speak to the service manager. Be polite about it. Do not threaten to go to Mazda crop because that will get you the boot from the dealership. Again it is because it is privately owned business. I think I could explain why they are passing the buck not helping you and using Mazda crop as the villain. But you would need to at least PM with some information for me to check out.Regarding the Mazda warranty procedure between the dealership and Mazda corporate, the dealer said they submit claims through a computer system or something similar. Each type of warranty claim must meet a strict guideline stipulated by corporate.
For batteries, they will only honor a warranty claim if it fails their battery test. The dealer said that even if they know something is wrong with the battery, they still can't honor the warranty. It's all up to the results from their battery tester.
For the defective keyless remote (about a third of the time, the door remains unlocked when I walk away), they said that they couldn't honor the warranty because there was too much pushback on this issue. They've submitted other claims before but they've all been rejected. As a result, they can't/won't do anything. This was the same response from 2 different dealerships. One manager recommended that I just wait there every time for 10 seconds every time I leave the car and just make sure the door closes. It's pretty annoying. I ended up reaching out to corporate directly and they said that the issue is something you need to do through the dealership. I just gave up.
I totally get it. The dealer isn't going to get paid by corporate, so they're in a hard place. They can't bash corporate because it would make the brand look bad. So their recourse is to convince customers that there is no problem. Or make the customer pay for it.
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Junior Member
Joined: Feb 2025
Posts: 8
Likes: 0
From: on a bench
You said the body shop replaced the headlights.
That alone could possibly be your issue as they have several "wiring connections" that could be faulty.
I would also ask do you have the self-leveling headlights?
If not installed correctly the servo motors that make the self-leveling adjustments can easily cause electrical issues if they are not working correctly.
Especially if they are running and shouldn't be.
That alone could possibly be your issue as they have several "wiring connections" that could be faulty.
I would also ask do you have the self-leveling headlights?
If not installed correctly the servo motors that make the self-leveling adjustments can easily cause electrical issues if they are not working correctly.
Especially if they are running and shouldn't be.
Could the headlights be an issue when the engine is off?
Senior Member
Joined: Oct 2018
Posts: 10,515
Likes: 216
From: Northern California
Great advice on wording it as if I got a safety recall. Helps deal with any possible pushback.
Regarding the Mazda warranty procedure between the dealership and Mazda corporate, the dealer said they submit claims through a computer system or something similar. Each type of warranty claim must meet a strict guideline stipulated by corporate.
For batteries, they will only honor a warranty claim if it fails their battery test. The dealer said that even if they know something is wrong with the battery, they still can't honor the warranty. It's all up to the results from their battery tester.
For the defective keyless remote (about a third of the time, the door remains unlocked when I walk away), they said that they couldn't honor the warranty because there was too much pushback on this issue. They've submitted other claims before but they've all been rejected. As a result, they can't/won't do anything. This was the same response from 2 different dealerships. One manager recommended that I just wait there every time for 10 seconds every time I leave the car and just make sure the door closes. It's pretty annoying. I ended up reaching out to corporate directly and they said that the issue is something you need to do through the dealership. I just gave up.
I totally get it. The dealer isn't going to get paid by corporate, so they're in a hard place. They can't bash corporate because it would make the brand look bad. So their recourse is to convince customers that there is no problem. Or make the customer pay for it.
Regarding the Mazda warranty procedure between the dealership and Mazda corporate, the dealer said they submit claims through a computer system or something similar. Each type of warranty claim must meet a strict guideline stipulated by corporate.
For batteries, they will only honor a warranty claim if it fails their battery test. The dealer said that even if they know something is wrong with the battery, they still can't honor the warranty. It's all up to the results from their battery tester.
For the defective keyless remote (about a third of the time, the door remains unlocked when I walk away), they said that they couldn't honor the warranty because there was too much pushback on this issue. They've submitted other claims before but they've all been rejected. As a result, they can't/won't do anything. This was the same response from 2 different dealerships. One manager recommended that I just wait there every time for 10 seconds every time I leave the car and just make sure the door closes. It's pretty annoying. I ended up reaching out to corporate directly and they said that the issue is something you need to do through the dealership. I just gave up.
I totally get it. The dealer isn't going to get paid by corporate, so they're in a hard place. They can't bash corporate because it would make the brand look bad. So their recourse is to convince customers that there is no problem. Or make the customer pay for it.
Any auto service shop regarding any electrical issue should verify the battery state of health before any other problems diagnosed and or looked for.
If what you said it rure about some of the responses from the dealership to Mazda it could be more complicated or simple if like me I know what is going on. The dealership is passing the "BADGUY" rejection on Mazda corp. Which is fine. Buty I also know again how some exceptions and courtesy could be made if they are still available at that dealership and if they choose to use it. Buit this also goes back to how dealership works.
The other challenge you have is the time factor from the accident repair to the first indication of the problem/? It is not really in your favor so to say and that could also be why that you are getting declined warranty service? IDK because you have not posted all the actual documentation from the dealer and the body shop?
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Junior Member
Joined: Feb 2025
Posts: 8
Likes: 0
From: on a bench
You can't go dealer hoping for a warranty exception when one already disallowed it. It is on your VIN history. You still do not understand how a dealership works. Thats fine I have posted how a dealership works a few times on this forum if you really want an understanding its there you can use the search feature of this forum ?
Any auto service shop regarding any electrical issue should verify the battery state of health before any other problems diagnosed and or looked for.
If what you said it rure about some of the responses from the dealership to Mazda it could be more complicated or simple if like me I know what is going on. The dealership is passing the "BADGUY" rejection on Mazda corp. Which is fine. Buty I also know again how some exceptions and courtesy could be made if they are still available at that dealership and if they choose to use it. Buit this also goes back to how dealership works.
The other challenge you have is the time factor from the accident repair to the first indication of the problem/? It is not really in your favor so to say and that could also be why that you are getting declined warranty service? IDK because you have not posted all the actual documentation from the dealer and the body shop?
Any auto service shop regarding any electrical issue should verify the battery state of health before any other problems diagnosed and or looked for.
If what you said it rure about some of the responses from the dealership to Mazda it could be more complicated or simple if like me I know what is going on. The dealership is passing the "BADGUY" rejection on Mazda corp. Which is fine. Buty I also know again how some exceptions and courtesy could be made if they are still available at that dealership and if they choose to use it. Buit this also goes back to how dealership works.
The other challenge you have is the time factor from the accident repair to the first indication of the problem/? It is not really in your favor so to say and that could also be why that you are getting declined warranty service? IDK because you have not posted all the actual documentation from the dealer and the body shop?
I was able to test the fuses inside the engine compartment. I took out fuse #54 labeled "Room". I'm assuming that this is these are the fuses for the inside the car. I want to test the different fuses within the car but I need to keep the doors open so I can access the fuses that are near the car door. I need the car's computer think the doors are closed.
I simply moved the latch in the door lock but that doesn't do it. There is something else that needs to be triggered. I can't locate anything in the door trim that needs to be pressed down.
Senior Member
Joined: Oct 2018
Posts: 10,515
Likes: 216
From: Northern California
You have to go into the BCM so unless you have a Diagnostic scanner that has access into the BCM capabilities not sure if there is any other way to do what you want? At least that I looked for on Mazda and ALLData ??? Sorry!
Senior Member
Joined: Apr 2021
Posts: 1,841
Likes: 25
From: Maine
With most modern vehicles it doesn't take much of draw to cause electrical issues and problems.
Because of all the electronics, even a high-end replacement battery in newer model vehicles like the CX-5 only have about a 3-year life span at full capacity.
But I would agree with Cali...get the dealer to find the problem and fix it. You have no idea how much time, effort and money it will take to DIY or if you even can.
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