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What does the Prius inverter pump do?
Toyota Prius Inverter Water Pump Recall The Toyota Prius has a device on it called an “inverter” which takes high voltage direct current or DC from the traction battery and translates it into alternating current or AC.
What is an inverter coolant pump?
As part of the cooling system, the inverter coolant pump translates high-voltage direct current generated by hybrid batteries into alternating current for the motor to keep the system at the proper operating temperature.
What is inverter coolant Prius?
The cooling system for an inverter may run over, under, around, through, or to the side of the inverter, and the purpose is to absorb the heat byproduct of electricity changing from DC to AC.
How do I know if my Prius water pump is bad?
5 Symptoms of a Failing Water Pump
- Coolant Leaking. One of the first signs of a potentially faulty water pump is a puddle of coolant on the ground where you’ve parked your car.
- Rust or Deposit Build-Up.
- Noise.
- Overheating.
- Steam.
How much does it cost to replace a water pump on a Prius?
Toyota Prius Water Pump Replacement Cost Estimate. Labor costs are estimated between $155 and $195 while parts are priced between $597 and $727.
How do I know if my Prius is overheating?
The following may indicate that your vehicle is overheating: l The high coolant temperature warning light comes on or flashes: The engine may be overheating. l “HYBRID SYSTEM OVERHEAT” is shown on the multi-information display: The power control unit may be overheating.
What are signs of bad water pump?
Five Signs Your Water Pump Is Failing
- Overheating. A dead or dying water pump cannot circulate coolant through your vehicle’s engine and, as such, the engine will overheat.
- Coolant Leaks. Coolant leaks from the water pump are common and a clear sign that it’s time to replace the pump.
- Corroded Water Pump.
- Whining Noises.
How long does a Prius water pump last?
Water pumps are designed to last at least 100,000 miles, however, if your water pump fails, you should replace it with a high-quality original-equipment level unit. Less expensive replacement pumps are available, but they might only have a service life of 30,000 miles.
Can I drive my Prius with a bad inverter?
The Prius is designed so that if the inverter fails, the car enters a fail-safe mode, known as limp-home, in which it can move slowly out of traffic to “enhance safety,” the company statement said. It described fail-safe mode as “common in the auto industry.”
When should I change my Prius coolant?
Toyota suggests that you only need to change the coolant after every 100,000 miles. Many other professionals suggest that the fluid should be changed every 50,000 miles or every two (2) years.
Why does the Toyota Prius set a p0a93 trouble code?
No matter what the reason, the inverter will overheat and cause your Prius to set a P0A93, Inverter Cooling System Performance DTC. Though the recall covered 2004-2007 Prius, these pumps can still fail on 2008 and 2009 years as well. Toyota did do a part redesign for the coolant pump (part number G9020-47031) to solve the issue facing Prius.
What is the inverter failure code on a Prius?
Prius Code P0A93: Inverter Water Pump Failure. On the second generation Prius (model year 2004-2009) that code is P0A93, information subcode 346: “Inverter Cooling System Performance.” Diagnosis commonly leads to a seized water pump, a problem we’ve seen multiple times on Prius as young as 55,000 miles.
What is the problem with the p0a93 inverter?
P0A93 is an inverter cooling problem. The inverter is cooled by a dedicated cooling system, which consists of an electric water pump, cooling fan, and radiator.
What is the part number for the coolant pump on a Toyota Prius?
Toyota did do a part redesign for the coolant pump (part number G9020-47031) to solve the issue facing Prius. The original mount was black and the new mount is silver. So, be sure to check your Prius and see if it has the updated part or not.