Honda civic battery overcharging symptoms,can you buy a car battery online purchase,long life 9 volt batteries - Step 2

Regardless of design configuration, the role of the ignition coil is to multiply battery voltage into high voltage.
For many today is just another Wednesday, but for a lot of people it is more than just your average Wednesday, it is "Back to the Future" Day.
In early 2014, I received one of my most challenging e-mail requests from a shop foreman of a Honda dealership. Needless to say, these failures were becoming very expensive for the Honda dealer, which was the port of last resort for the Honda Civic’s owner. One week later, the vehicle was towed in with a loss of power, CEL on and a P1607 code indicating an internal PCM failure. At this point, I suggested rounding up the usual suspects, one of which might be that the alternator was intermittently overcharging the battery. The best method for capturing intermittent excessive voltage or voltage spikes is to display the system charging voltage on a labscope. After replacing the failed PCM, the technician found that the charging voltage was above 15.5 volts.
Returning to the voltage spiking issue, the technician replaced all ignition coils, fuel injectors, sensors, main ignition relays, battery and failed PCM with known-good parts.
The failed PCMs transferred the symptom of the flashing immobilizer light when installed in another vehicle, which lead me and the technician to believe that the fault was with the PCM.
At this point, I’d like to interject that I’m not a Honda specialist — not because I haven’t serviced my share of Hondas — but because the Hondas that I’ve serviced were very reliable vehicles that never had major electronic issues. Gary Goms is a former educator and shop owner who remains active in the aftermarket service industry. You don't expect your race car, diesel pickup or vintage vehicle to just look good - you want the engine to make you proud too! TPMS Repair And Replacement Products Available From Advance ProfessionalAdvance Professional offers TPMS repair and replacement products designed to deliver OE fit, form and function. New Free Monroe Brakes Technician's Guide Details Modern Brake System Diagnosis And RepairA new brake system diagnosis and repair guide for professional technicians is now available from Tenneco’s Monroe Brakes brand. When an exhaust, coilovers, front lip, JDM interior trim or even power provided via ITBs or boost become standard fare, where do we go next? Batteries are simply energy-storing power units called upon for operating electrical devices. Resistance And Extreme TemperaturesThe starter is the car's main electrical device in terms of power draw. It's also significant to understand that the chemical reaction that's taking place inside the battery is temperature sensitive.
Cold Cranking AmpsCold cranking amps (CCA) is an important figure to refer to when seeking a new battery. The CCA rating is the amount of amperage a brand-new, fully charged battery can output at 0 degrees F for a full 30 seconds while maintaining at least 7.2 volts. OEM battery-load testing is conducted at 50 percent CCA, indicating CCA ratings nearly twice that necessary to function properly.
It's almost comical how battery companies manipulate ratings and figures to indicate the type of levels that make people feel safer purchasing them. Battery CapacitiesSitting batteries drain over time, dropping the voltage available for starting. The Death Of A BatteryTwo factors can contribute to a battery's demise: overcharging and deep discharging. Deep discharging is also bad because with each charge and discharge, material is removed from the inner lead plates.
Recharging And MaintenanceGenerally speaking, once a battery discharges permanent damage may have occurred. Follow these tips and you can enjoy the benefits of lightweight and compact size to enhance your automotive enjoyment in ways you never thought possible. Battery Relocation The Right WayDrastically reducing weight is not always practical when it comes to performance gains.
A front engine, front-wheel-drive Honda has a distinct handicap when it comes to performance. Opt for heavy gauge wire (two-gauge is most common) when running cables to minimize resistance between the battery and starter.
The battery starts the engine and supplies power to electrical components such as the lights and audio system, but is also used for backing up each of the car?s computers and control units.PerformanceHIGH ENGINE START-UP PERFORMANCE - Honda Genuine Batteries improve the electrical efficiency by special alloy plates. The engine thermostat has been an important component in automotive internal combustion engines for almost a century. Honda Civic: Failed PCMs And CAN System DiagnosticsIt’s not unusual for me to get help requests through my e-mail. Servicing Mercedes-Benz AIRMATIC SuspensionsThe Mercedes-Benz AIRMATIC suspension system was introduced in 1999 on the S-Class and has subsequently been used on the E-Class and most of the automaker’s SUVs. The hybrid concept of combining an internal combustion engine with an electric motor and electric power supply is becoming more popular as vehicle manufacturers look to reduce emissions and fuel consumption in vehicles. As a shop owner, you should familiarize yourself and your technicians with some of the safety and servicing issues surrounding hybrid vehicles. The first-generation Prius (sold in the United States since 2000) is one that you may see in your shop soon. The DC power emitting from the battery pack is channeled through an inverter that regulates the electric current between the motor generators and the high-voltage battery.
This current flows both ways because not only does the battery power the motor generators that move the car, but the motor generators charge the high-voltage batteries when you release the throttle.
For ease in identification, any electrical cable that carries the 276-volt current is colored orange. Put on insulated gloves, then remove any covers that will impede access to the high-voltage service plug located in the hatchback area of the vehicle.
Before touching a bare high-voltage terminal, use an electrical tester (voltmeter) to ensure that the terminal is not charged with electricity. Note: If the rear of the vehicle cannot be accessed due to collision damage, the high-voltage system of the Prius can be disabled from two access points under the hood. After servicing the high-voltage system, you’ll need to address a few things before reinstalling the service plug. Make certain the high-voltage terminal screws are firmly tightened to the specified torque. Reinstall the service plug and reconnect the cable to the negative terminal of the auxiliary battery.
The battery module has four built-in thermistor-type temperature sensors, and a PTC (positive temperature coefficient)-type temperature sensor for each cell. High-voltage DC circuits such as the battery module, junction board, PCU (Power Control Unit), etc.
The motor is a DC brushless type located between the inline, 3-cylinder, SOHC, 12-valve engine and the transmission. The MCM (Motor Control Module) controls the motor through the MPI (Motor Power Inverter) module and the voltage control unit. Note: For safety and ease of identification, electrical cables that carry the 144-volt current are colored orange. Remove the Battery Module Switch cover plate located on top of the high-voltage battery (under the rear hatch carpet).

These high-voltage batteries are alkaline batteries, unlike the lead acid batteries you’re used to. Adapted from Mike West’s article in the December 2003 issue of BodyShop Business magazine. DaimlerChrysler plans in 2005 to offer a hybrid Dodge Ram pickup called the Contractor Special with an onboard generator.
GM will add a hybrid Saturn Vue SUV in 2006 with 12% to 15% better fuel economy, up from 23 mpg now.
In 2007, GM said it will offer hybrid versions of the Chevrolet Tahoe and GMC Yukon full-size, truck-based SUVs with 25% to 35% higher fuel economy, up from 16 mpg now. Most specifically, it can tell you if the angles, inflation and components are within specification.
Body techs and painters rely upon them every day to achieve that perfect finish on your customers’ vehicles. Sometimes it’s from working technicians, other times it’s from vehicle owners who can’t get their problems solved through professional repair shops.
This service manager had read a column I’d written on PCM diagnostics for ImportCar and was asking my opinion about why three PCMs would consecutively fail on a 2002 Honda Civic equipped with an automatic transmission with 137,000 miles on the odometer. The first repair visit was for a no-start complaint with the Check Engine Light (CEL) on and immobilizer key light flashing. After testing power and ground circuits, the technician replaced the new PCM with another as prescribed in Honda service information. Of course, the technician’s problem was that a third PCM would need to be installed to get the engine and electrical system operational. Another source of voltage spikes are failed diodes in the air conditioning compressor clutch and similar high-amperage circuits.
The engine then ran for one hour and 45 minutes before it died, with the CEL illuminated and immobilizer light flashing.
The most common electronics problems that I encountered were ignition module failures on the early models and a few false P0420 catalytic converter trouble codes on later models that needed reprogramming to correct.
Gary is an ASE-certified Master Automobile Technician (CMAT) and has earned the L1 advanced engine performance certification. When all's been done and there's seemingly nothing more to do, might we suggest less as the new more? They're made with lead plates that directly contact an electrolytic sulfuric acid solution.
The amount of power the starter requires to initially turn the engine over is related to the engine's size, compression ratio, number of accessories being driven, internal weights and friction. It goes without saying that the strain a battery undergoes during this test is much worse than what it would otherwise normally be subjected to. This means the standard issue '95 Civic 410 CCA batteries may be safely replaced with 205 CCA versions and start just fine. Once the plates shed material holes can develop, reducing the plates' surface area and diminishing electrical production. If conditions permit, a battery may be recharged back to its full capacity or at least within a reasonable range of it. Most manufacturers offer idiot-proof, reverse-polarity protection in compact packages that are easy to store and use. Or, at the very least, shift some weight around, shed a few pounds and make room for something else underhood.
Consumer interest in these vehicles has been favorable, which is why you can expect to see more of these types of vehicles on the road and in your shop. And because some technicians in rural areas and various towns also serve as community firefighters, much of this information will be useful to them should they come across a hybrid involved in an accident. Both Honda and Toyota have readily available service precautions that you need to read and carefully follow before you work on one of their hybrids. Some shops may already be providing routine scheduled maintenance to this and other hybrid vehicles. It actually converts the DC from the battery pack into alternating current (AC) three-phase power.
The braking action of the motor generator when you release the throttle is what charges the battery.
Any orange-colored cable should be avoided until the high-voltage electrical system has been disabled.
Doing this will eliminate the chance that someone else will re-energize the high-voltage system of the vehicle. Also, Toyota recommends using vinyl electrical tape to insulate any disconnected or exposed high-voltage terminal or connector. One point is the relay junction point located under the vehicle hood along the lower cowl panel.
In addition to providing assist to the engine, the motor starts the engine and it acts as a generator to recharge the battery. The MCM determines the amount of assist and regenerative power needed by communicating with the BCM (Battery Condition Monitor) module to prevent excessive battery drain and to prevent battery overcharging.
In addition to powering lights, audio and temperature-control systems, this battery also powers the control systems for the high-voltage battery module. Orange-colored cables should be avoided until the high-voltage electrical system has been disabled. Next, secure a tag to the switch cover plate stating the position of the high-voltage battery switch. What this means is that if the cells are ruptured, you’re not going to neutralize the electrolyte with a soda water solution. Like the Lexus, Toyota and Ford SUVs that will get hybrid systems, the Vue is based on a car platform.
In general, a charging rate exceeding 17.0 volts will begin burning out light bulbs and ruining system electronics like radios and PCMs. The PCM wiring was then tested with a breakout box to make sure that no internal wiring harness shorts were present and that all power circuits were operating at correct voltages. He also belongs to the Automotive Service Association (ASA) and the Society of Automotive Engineers (SAE).
Lead-acid batteries use a liquid solution while dry cell, gel cell or absorbed glass mat (AGM) batteries use a liquid suspended within a solid medium.
Each factor emits a greater mechanical resistance and that translates into electrical resistance within the starter system. When subjected to cold temperatures, the battery becomes cold-soaked, inhibiting electron flow inside the electrolytic solution.
Of course, this doesn't apply when choosing a lightweight battery since, in order to see a weight advantage, the battery will have just a fraction of a stock battery's CCA rating. Like we said, batteries and cold weather don't get along so the rating represents the extreme. In other words, a car may need a certain number of cranking amps to start at 0 degrees F, yet this number is only 60 percent of what the battery's actual rating is at normal temps. Practically speaking, any battery rated over 130 CCA will start such examples perfectly well in daily driving situations. For example, a 50Ah battery can power a 1-amp device for 50 hours, continuously, without being disconnected or recharged.

This resting Civic would run completely dry in 4,000 hours, or about five and a half months.
Likewise, charging a battery too much or too often will result in similar consequences, only manually.
When left uncharged for long periods of time, the shed lead goes into solution, forming a lead sulfate buildup that collects on the surface of the plate and further inhibits electrical production. Braille units, which maintain 12 volts at 2 amps and claim to extend battery life, are just one example.
Sure, there're lighter ones but, even better, we can take a lighter one and move it to a more suitable location. Removing heavy items like batteries from the engine bay and placing them out back can provide greater balance and handling.
However, hybrid vehicles, with their high-voltage electrical systems, need to be approached differently when servicing their motor and engine systems. Insulated gloves rated for 5,000 volts and certified to 1,000 volts must be worn whenever touching any high-voltage part of the Prius. Following these vehicle makers’ recommendations should help reduce the chance of personal injury.
The company unveiled a hybrid version of its Lexus RX series luxury sport-utility vehicle in January at the Detroit Auto Show. Following Honda service information concerning no communication, the technician replaced the PCM with a known-good unit and reprogrammed the immobilizer. After about 60 minutes at idle speed, the engine suddenly raced to 3,500 rpm and then stalled and wouldn’t restart. Amperage draw checks were made on all actuators to ensure that none were drawing excessive amperage. Such a concept is not new since there's scarcely an aspect of vehicle performance that can't be improved upon by mass reduction. Smaller batteries contain less lead and are therefore lighter but are less capable of discharging electricity. When a battery is connected to a circuit, electrons transfer between the plates, flowing electricity through the circuit to perform work.
It also promotes a sulfate barrier forming on the lead plates, which translates to higher internal resistance within the battery. A certain amount of internal resistance is needed in order to keep the chemical reaction in check. A battery's capacity is reduced roughly 35 percent when subjected to a temperature of 32 degrees F, for example. As such, when choosing a car battery, consider not just the CCA rating but also the intended climate. So, the time it takes for a battery to drain depends on whether or not there's an excessive parasitic draw. Compare that with an Odyssey PC545 that is rated at 13 Ah and will die in about 1,300 hours, or almost two months.
Over-activating a battery's cells can cause its plates to corrode, severely shortening its service life. The lead sulfate crystals are difficult to break up during charging and can permanently impact a battery's well being.
Without a proper, sealed battery box, relocating the battery inside the car can be a hazardous modification. Such brackets are designed specifically for use with Odyssey PC680 and NRGCELL slim batteries, providing a direct bolt-in solution for the DA, EF, even the BB6 Prelude. The Japanese automaker will call the car the RX 400h, and said it also is considering either building a hybrid version of its best-selling Camry sedan or second-generation Tundra full-size pickup, due in 2005. Although the vehicle does not yet have a launch date, it would bring to three the number of hybrids in Honda’s lineup, with one more being considered in the pipeline. Indeed, a major reason why Hondas are such great cars is its favorable power-to-weight ratios. So it becomes important, before choosing a lightweight battery as a means of performance gains, to better understand them and their implications.
Likewise, in a car that has been modified in such a way that resistance has been reduced a smaller battery can be used. Choosing a battery with low internal resistance is advantageous but a good rule of thumb is to use a battery warmer when you know it's going to get cold. Keep in mind though that you can forget about starting that Civic once below 10 volts and 12-14 days is just about the maximum any lightweight race battery should remain connected to a non-operating vehicle. Generally speaking, temperatures above 100 degrees F should be avoided and compact, sealed batteries should never be charged above 2 amps.
Caution must be taken since most of these are sealed types, which means they cannot easily vent their hydrogen gases, resulting in overheating or explosion if charged at high rates.
Battery conditioners cycle the battery in a way that helps break up lead sulfate crystals, helping recover life from a previously dead battery, in addition to adding to and maintaining its charge. Two main considerations must be given credence before battery relocation can be planned: first, how to route the power cables and second, addressing hydrogen fumes.
Luckily, typical batteries that enthusiasts opt for are sealed units, meaning acid and gas can't escape. This is flammable – especially in a confined space like the trunk, where the high-voltage battery is located. Removing interior bits and swapping items for lighter equivalents has become standard procedure, but only recently have we seen the compact, lightweight battery go mainstream. It's for this reason the CCA rating was developed-to define a battery's ability to start an engine during cold temperatures. A lightweight, low CCA battery can be used the rest of the year in cases like these and hooked up to a battery-conditioning device the remainder of the time, but don't always take the CCA rating at face value.
NRGCELL, Odyssey and Braille batteries are all sealed units providing worry-free performance without the box.
Potassium hydroxide also is very damaging to skin tissue.Dissolve the boric acid in water until the powder will no longer dissolve. If resistance is high (a strong headwind or traveling uphill) a given amount of torque will result in a lower speed. Sure, the 15 to 20 pound weight savings are nice but allowing lightweight batteries to sit for long periods of time just isn't possible. At this point, the water is sufficiently saturated with boric acid to neutralize the alkaline electrolyte. In fact, daily drivers can expect lightweight batteries to last anywhere from three to five years, even longer when properly maintained. When the litmus paper turns blue, this indicates more boric solution should be sprayed on the spill (a spray bottle works well).

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