Title:
温度センサの故障診断装置及び温度センサの故障診断方法
Document Type and Number:
Japanese Patent JP7339757
Kind Code:
B2
Abstract:
A temperature sensor malfunction diagnosis apparatus is provided in a vehicle that includes a device, a refrigerant circuit, an electric pump, a battery, and a temperature sensor, and configured to diagnose malfunction of the temperature sensor. The temperature sensor malfunction diagnosis apparatus includes a pump driver and a malfunction diagnosis unit. The pump driver is configured to drive the electric pump after stopping of driving of the vehicle, on the basis of the battery as a power supply. The malfunction diagnosis unit is configured to perform a malfunction diagnosis of the temperature sensor, on a condition that a charged time reaches a temperature converging time of the temperature sensor while the electric pump is driven. The charged time is a time during which charging of the battery is performed from start of the charging of the battery.
Inventors:
Satoru Shimada Hayashi
Application Number:
JP2019073991A
Publication Date:
September 06, 2023
Filing Date:
April 09, 2019
Export Citation:
Assignee:
Subaru corporation
International Classes:
B60L3/00; B60L1/00; B60L53/14; B60W20/50; G01K7/00; G01K15/00
Domestic Patent References:
| JP2019022308A | ||||
| JP2010057292A | ||||
| JP2018107861A | ||||
| JP2017100482A | ||||
| JP2007311065A |
Foreign References:
| US6091324 | ||||
| US20080181280 |
Attorney, Agent or Firm:
Aomi International Patent Office
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