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OK. The CHS pump will not be a performance problem so much, but it will set a DTC. The inverter pump will be replaced by Toyota for free, and they...
There is only one pump in the inverter coolant loop, and it has been a real problem for GenII Prius. Not sure which other pump you are referring...
Henry: It is an overheating issue. You can drive without the inverter pump for a while, until the heat levels rise and cause the warning lights....
What that means is the service plug on the side of the battery case has not been put on all the way. this is something that many people have...
Even the relay block becomes Byzantine on the Prius. The A/C WP relay, and the diode as well, is listed on the engine room relay block *inner...
Yes, that pump runs only when the engine is *not* running, to keep the hot coolant moving through the heater core. I guess you have put as much...
I can't find P1100 as a DTC for the Prius. Which ECU was logging that code? It is not under the engine control or the A/C system.
Here are a couple of links to get you started: 100K maint - 1 Brake service Some rust removal can be done just by getting the car up to speed,...
It sounds like you are doing the best for now. I don't know where that diode is located. They are often tucked away somewhere. I would say that it...
Go over those posts in this thread by 3ProngPaul. Look for the pink residue around the pump shaft. As he says, this is a common upsell from...
How often does this happen? Within a few minutes, once a week,...? What conditions? Is it just with A/C use? How does the system work when it is...
The transaxle requires close to 4 liters of Toyota WS-ATF, and it is important to use that. There are some alternative fluids in the US (Redline...
It looks like the seat belt detector switch goes to the combination meter, by way of the center airbag sensor ECU. The pressure sensors in the...
Good eyes, John. I would have the transaxle ATF drained and filled for sure, in this case.
Sorry, now added to my post.
Make sure that you get all the codes read and listed by the dealer, if there are any. Some DTC's may be set that don't cause the check engine...
It sounds like the wires to the sensor got nicked, and are now open circuit. should be simple to find. See the circuit diagram attached. You...
There are some good videos on youtube, search for Prius GenII serpentine belt. I believe the excess tightness is a main reason for the shaft wear...
The recall was for the other pump, in the inverter loop. The engine water pump is known to dribble a small bit around the shaft. If you are not...
There are some surprises that happen when watching the SOC meter. Things happen one day differently from the next, in my experience. The HV...
