US 11,703,121 B2
Actuator diagnostic apparatus of electronic control unit for vehicle and method therefor
MinCheol Chung, Munich (DE)
Assigned to Vitesco Technologies GmbH, Hannover (DE)
Appl. No. 17/615,238
Filed by Vitesco Technologies GmbH, Regensburg (DE)
PCT Filed May 29, 2020, PCT No. PCT/EP2020/064947
§ 371(c)(1), (2) Date Nov. 30, 2021,
PCT Pub. No. WO2020/239970, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 10-2019-0063813 (KR), filed on May 30, 2019.
Prior Publication US 2022/0235861 A1, Jul. 28, 2022
Int. Cl. F16H 61/12 (2010.01); F16H 61/02 (2006.01)
CPC F16H 61/12 (2013.01) [F16H 61/0251 (2013.01); F16H 2061/1208 (2013.01); F16H 2061/1224 (2013.01); F16H 2061/1288 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An actuator diagnostic apparatus of an electronic control unit for a vehicle, the actuator diagnostic apparatus comprising:
a high-side driver for driving an actuator from a high-side;
an output voltage sensing unit for sensing an output voltage of said high-side driver;
a low-side driver for driving the actuator from a low-side;
a pull-down switch for pulling down an input voltage of said high-side driver;
a shutdown driver for actuating said pull-down switch; and
a diagnostic controller for diagnosing a shutdown of the actuator upon receiving an input of the output voltage from said output voltage sensing unit after respectively actuating said high-side driver, said low-side driver, and said shutdown driver in accordance with a shutdown diagnosis order.