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2015 Honda Civic Battery Drains and Not Ready for SMOG Test


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spathak
User

Feb 11, 2024, 6:23 PM

Post #1 of 6 (20283 views)
2015 Honda Civic Battery Drains and Not Ready for SMOG Test Sign In

2015 Honda Civic was left unused for 5-6 months. The battery had drained so I thought it had gone bad. I changed the battery and restarted to get the DMV required SMOG test. The device they plug in to begin SMOG test showed that the car is not ready for the test. I was told to drive around and get the car back. I have driven about 100 miles and taken the car to the shop several times, but the device still showed the same lights indicating that the device is not ready for SMOG test. I noticed that the battery drains very rapidly. I also noticed that when I turn the car keys (without starting the car), it makes this loud clicking noise that comes from the front right and from near the fuse box (I think). I recorded a video of this noise here. Surprisingly, the noise stops after the car starts. https://www.youtube.com/shorts/2e2XpNQvssc

I have tried chat gpt but it does not identify the problem. Any help is appreciated.


(This post was edited by spathak on Feb 11, 2024, 6:46 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 11, 2024, 7:39 PM

Post #2 of 6 (20225 views)
Re: 2015 Honda Civic Battery Drains and Not Ready for SMOG Test Sign In

All the systems have to go through their own specific drive cycles. Each drive cycle has it's own specific situations that it has to experience before it sets the monitor. Did they tell you which monitor is not setting?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



spathak
User

Feb 11, 2024, 8:30 PM

Post #3 of 6 (20190 views)
Re: 2015 Honda Civic Battery Drains and Not Ready for SMOG Test Sign In

Thank you Hammer Time. I think there were three lights/codes. Why is the battery draining? Is there a way to fix it?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 11, 2024, 8:34 PM

Post #4 of 6 (20183 views)
Re: 2015 Honda Civic Battery Drains and Not Ready for SMOG Test Sign In

You've got 2 separate problems. Is the battery draining while it's being driven or while it's parked.

If your battery goes dead you end up starting over on all the drive cycles.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



spathak
User

Feb 11, 2024, 8:57 PM

Post #5 of 6 (20168 views)
Re: 2015 Honda Civic Battery Drains and Not Ready for SMOG Test Sign In

The battery goes dead when it is parked. The video I shared in the initial post is the clicking noise the car makes when I turn the key without starting. The clicking noise goes away when I start the car. After being parked for a day, the car won't start due to low battery, but it does not go completely dead, so the clock does not reset for example.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 12, 2024, 5:46 AM

Post #6 of 6 (19786 views)
Re: 2015 Honda Civic Battery Drains and Not Ready for SMOG Test Sign In

I assume that clicking stops when the key is shut off so that is not the cause of the battery drain.

There is a procedure for finding a battery draw like that.

You will need a digital ammeter and a jumper wire with clips on the ends to do this.
First rig any door switches so you can have a door open without triggering the interior lights and unplug the hood light. Remove one battery cable and attach the meter in series between the battery cable and battery post. Take the jumper wire and also attach it the same way. Leave the jumper wire on for at least 30 to 40 minutes to expire all the automatic timers. Now remove the jumper wire and read the meter. Anything over 50ma is too much draw. The way you locate this is to start removing fuses one at a time until the meter drops to normal level. This will be the circuit with something staying on. Determine what components are part of that circuit and check them individually until the problem is isolated.
Note that the act of pulling fuses will often restart some timers so you may have to wait for them to expire if that happens



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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