Kia Optima Hybrid: Hydraulic System / Oil Pump Uni t(OPU) Description and Operation

Description
The oil pump main relay is installed within the HEV fusible link box of the engine room. When the Oil Pump Unit (OPU) triggers the oil pump main relay, electric current needed to operate the Electric Oil Pump (EOP) passes through the Oil Pump Unit (OPU) and is supplied to the Electric Oil Pump (EOP).
In general, the Electric Oil Pump (EOP) operation is controlled by TCM via CAN communication, but in case of CAN communication failure, there is a back-up hard wiring between the TCM and Oil Pump Unit (OPU) as shown below.

Oil Pump Unit(OPU) Control System

Electric Oil Pump (EOP) Repair procedures

Removal 1. Disconnect the 12V battery negative (-) cable. 2. Remove the under cover (A). Tightening torque : 7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft) 3. Remove the electric oil pump (EOP) connector ...

Oil Pump Uni t(OPU) Specifications

Specifications Operating voltage (V)12 Current15 ~ 20A (normal), 45A (Max.) ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Components and Components Location


Component Location 1. Back view camera2. AVN monitor ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Description and Operation


Description The ECM (Electro Chromatic inside rear view Mirror) is for dimming the reflecting light from a vehicle behind at night, Preventing glare from the light. The forward facing sensor detects brightness of the surroundings, while the rearward looking sensor detects the strength of the reflecting ...

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