Trouble codes can also be cleared by disconnecting the vehicle battery.Temperature (the lower the temperature, the longer the fuse must be left out). It may take longer than 30 seconds, depending on ambient Remove the EFI fuse (15A) for 30 seconds with the ignition switch OFF toĬlear any codes.Otherwise, code(s) would remain in the ECUs memory indefinitelyĪnd would appear along with a new code in the event of a future problem. Clearing Trouble Codes All trouble codes must be purged from the ECUs memory after repairing theįaults. After repairing the malfunction, clear the codes from the ECUs memory.The diagnostic code series will continue to repeat as long as the checkĬonnecter terminals TEl and El are connected.Seconds and then the whole sequence will repeat. Once all code(s) have been displayed, the light will be OFF for 4.5.If more than one code is stored, the light will be OFF for 2.5 seconds.The light will be OFF for 1.5 seconds between the first digit and the.Otherwise, the light will blink a number of times equal to the trouble.If system is operating normally (with no detected faults), the CHECKĮNGINE light will blink continuouslyand evenly about 2 times a second.Count number of flashes from CHECK ENGINE light.Place a jumper wire across TEl and El terminals in engine check connector. ![]() Engine is at normal operating temperature (if possible).Accessory switches (A/C, etc.) are OFF.Throttle valve is fully closed (Throttle Position Sensor IDL points.CHECK ENGINE light circuit is functional.RETRIEVING CODES for vehicles before 96 NOTE: Not all trouble codes will activate MIL (CHECK ENGINE light) Check your emissions decal under the hood to confirm if you have an OBD2 compliant vehicle. They are a great alternative to a brand new battery from the dealership because they’re nearly half the cost.96 & later are OBD2 systems and require a scantool Note: We are finding that some 94 & 95 Toyota vehicles are OBD2 compliant and require a scan tool. Because Green Bean Battery’s premium reconditioned hybrid batteries are put through a multi-step reconditioning process, which results in a well balanced and perfectly matched hybrid battery that will last for many years. So, if you find yourself with a failing hybrid battery, you can take a look at this article on What to do if your hybrid battery dies. Keep in mind that hybrid batteries start to become a risk when they’re 10 to 15 years old and they’ve covered 120,000 to 150,000 miles. However, the major benefit of a NiMH battery, is that it can be reconditioned! Curious about Hybrid Battery reconditioning? You can read more about Hybrid Battery Reconditioning in this guide. NiMH is subject to memory wear or voltage depressions, and will eventually fail. NiMH is the most popular battery technology, and is found in the majority of hybrid vehicles on the road. The hybrid battery is typically located in the trunk or behind the back seat and are made from either Lithium-ion (Li-ion) or Nickel Metal Hydride (NiMH). When running the electric motor, it puts less pressure on the gasoline engine and stretches out the amount of fuel the vehicle burns in between trips to the gas station. So it’s this battery that’s responsible for the better fuel economy that’s become central to hybrid technology. It is what starts the car, and what powers the electric motors in your vehicle to make it go. The larger, high voltage, hybrid battery is the heart of the Hybrid Power System. They are usually made from either Lead-acid or Absorbed Glass Mat (AGM). So in the case of an accident, the 12V helps lower the risk of high voltage going where it shouldn’t.ĭepending on your make and model, these 12V auxiliary batteries can be located under the hood or in the trunk. When the vehicle is not in ready mode, the 12V allows the high voltage hybrid battery to be disconnected from the rest of the system. The 12V battery provides a few safety features as well. The 12V battery is also there to reduce unnecessary drain on the hybrid battery by supplying power to: The heavy lifting of starting the engine is actually done by the hybrid battery. The 12V battery in a hybrid doesn’t start the car like you’d expect - it provides power to the computer, relays, ECU, etc. ![]() The purpose of the 12V, is to power the computer and accessories when the hybrid system is not in Ready Mode, and to assist in starting the vehicle. A smaller 12 Volt auxiliary battery, and the much larger high voltage Hybrid System Battery. Most hybrid vehicles, like the Toyota Prius, have two batteries.
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