| 摘要 |
PROBLEM TO BE SOLVED: To provide an automobile electric water pumping device capable of improving the requirements such as emission, fuel efficiency, drivability, etc., with the compatibility. SOLUTION: The automobile electric water pumping device does not rotate (step 7) when the engine is low in the water temperature (step 1) even when the engine is rotating by electrifying the water pump and promotes the warming-up of the engine.
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