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Nissan Z Nissan 240Z, 260Z, 280Z, 280ZX, 300ZX, 350Z, 370Z, Discussion Forum |
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#1
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BCM Module Draining Battery?
Hi everyone, got a small problem with my battery dying if left unused for more than 3 days. About a year ago the problem started but back then it took a week to kill the battery. I blamed it on the battery and ignored it till recently. Now it only takes 2-3 days to kill the battery. I installed a new battery, but same problem. I put an ammeter on and started pulling fuses. The only fuse that shows some current with the ignition turned off is the BCM fuse. It's pulling 100 milli amps consistently. According to my cousin whose seen this before on GM's, he said on a GM he usually reflashes the BCM module and 90% of the time it corrects the problem. On a GM it usually draws no more than 30 milli amps, but on nissan...?
Do any of you guys know what a nissan BCM normally drains as far as milli amps when the car is parked? Maybe it's not switching to low energy mode? BTW I've tried this with and without the alarm system armed (factory alarm). There aren't any lights staying on, both windows index and then release the motor like normal, I don't have power seats so no switches being stuck on, and no other fuses are drawing current besides BCM. Any ideas? Please share them. Thanks, JOE |
#2
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Any aftermarket accesories?
It should read less than 50 milliamps. The radio amp is the only part I have seen on the Z that can give you that problem.
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#3
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oh ok where's it located? All stock non bose.
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#4
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The amplifier is Inside the radio.
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#5
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Well that explains why I can't find it... After I check that I'll update this post so everyone's up to speed, in case anyone else has a similar problem... On a side note my cd player has been broken for about a year and a half, it wont accept a cd, and every time I turn the ignition switch on the cd player sounds like it tries to eject for about 4 seconds. The last time a cd was in it, I had to pry it out with some small piece of plastic, basically manipulate it around while repeatedly pressing the eject button. Possibly this is the cause of my whole problem.
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battery, bcm, draining, module |
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