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SUVs Honda Pilot Honda Pilot Maintenance and Repair
3188 messages, Last post on Dec 01, 2009 at 7:43 AM
You are in the Honda Pilot Forum. Your Hosts are steve_ & tidester
Appreciate the info.  Kip |
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| I have lost my maintenance schedule and want to know when the timing belt is due for replacement. Has anyone lost an engine because they went beyond the recommened miles? | |
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Replying to: carollee3 (May 02, 2009 10:06 am) tidester, host SUVs and Smart Shopper |
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Replying to: tidester (May 02, 2009 10:09 am)
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Replying to: carollee3 (May 02, 2009 10:29 am) |
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Replying to: carollee3 (May 02, 2009 10:29 am) |
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Replying to: carollee3 (May 02, 2009 10:29 am) tidester, host SUVs and Smart Shopper |
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This is a replica of my post that I put into wrong place originally. Just want to share some helpful information I didn’t find anywhere. I measured current drawing from the battery when car is parked. In my case it was new 2009 EX Pilot, 2WD, 1800 miles on the odometer. The data taken would also be useful for the future; if possible problems with the battery rose. Test1. The ignition switch is in LOCK (0) position, the key is in the ignition switch – 156mA Test2. The ignition switch is in LOCK (0) position, the key is removed – 45mA What does it mean for the owner? If you leave your car in the garage with the key in the ignition switch (which most of us do), the 100% charged 60Ah battery will lost 80% of its capacity within 13 days (or within 45 days without the key). That was theoretical calculation. In addition to that, flooded lead-acid batteries have relatively high self-discharge rate even without any external circuits. It could be 8-40% per month (2-10% per week) depends on how old the battery is. One note for those, who will replicate this test on your car. Right after connecting MM, the current jumps up to 2-3 Amps, then gradually gets down within 10-15 seconds. So, set your MM properly or it could be damaged. |
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Replying to: eteled (May 03, 2009 11:54 am) On test 2, any idea of what would be causing a 45 mA draw? That still seems really high. As for the 8-40% self discharge per month, that too is a very high figure. That number is typical of a NiCd or NiMH (or maybe a deep-cycle type marine battery that should be kept on a trickle charger). A sealed lead acid battery should only loose around 5% of it's charge per month, or less if it is well made. |
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Replying to: eteled (May 03, 2009 11:54 am) YES YES YES, I finally understood the battery discharge cause ! justaveragejoe you are right, the high current is caused by the lights in the dash being ON, and "other things". This is not important because those lights will go OFF by themselves after a minute or so. eteled, about the 45 mA you measure, that is caused by at least one door being open. The current drawn is function of how many doors you keep open. I think bigdady suggested that longtime ago, and he was right. Probably the security system is responsible for this current waste. So, I measured the following (with anything in the car shutdown, and with the bulbs at the bottom of the front doors removed - I always removed those door bulbs on all my cars): _ all doors closed: 21-29mA (it's switching between these values for some reason) _ one door open: 59-65mA _ two doors open: 65-71mA _ three doors open: 71-77mA _ four doors open: 79-83mA _ all 5 doors open: 84-87mA _ four doors open, with the lights in the dash ON: 200-207mA. My 2008 model has these lights. I am not sure if your 2009 model has this stupid "always lighted" kind of speedometer dash. I hope you don't have them because it's the unsafest option I ever saw installed on a car (I forget to turn ON the headlights at night time, because I see light in the dash all the time). What can be unsafer than driving without lights ?!?! eteled, it was funny to read your last paragraph ! Me too I burned my multimeter fuse during these measurements. I am happy the multimeter survived though ! The initial current is huge (very visible spark when you connect the ampermeter in series between the battery terminal and the cable). This could burn a delicate multimeter. The safe way I found for doing this measurement is "4 hands". Use the negative battery connection, not the positive one (the User Guide says that). So have your wife keep the negative cable touching the battery's negative terminal. Then use your hands to connect the ampermeter (the initial current will be zero because all the current will go directly from the battery terminal to the negative cable). Then tell your wife to disconnect the cable from the terminal. Now the current flows through the ampermeter (without any dangerous spike), so you can read it. Using some clamps could substitute the wife, and would also lower the probability of divorce !!! Cheers
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