Kia Optima Hybrid: Hydraulic System / Oil Pump Uni t(OPU) Schematic Diagrams
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Automatic Transaxle System / Hydraulic System / Oil Pump Uni t(OPU) Schematic Diagrams
| OPU connector and terminal function |
| OPU terminal function |
[A]
| Pin | Description |
| 1 | Main relay power |
| 2 | Ground |
| 3 | Motor phase power(U) |
| 4 | Motor phase power(V) |
| 5 | Motor phase power(W) |
[B]
| Pin | Description |
| 1 | Battery power (+) |
| 2 | Battery power (+) |
| 3 | CAN communication line (Low) |
| 4 | OPU status signal |
| 5 | Hall sensor ground |
| 6 | Hall sensor power(+5V) |
| 7 | IG_Key |
| 9 | CAN communication line (HIGH) |
| 11 | Hall signal A |
| 12 | Main relay operation signal |
| 13 | Ground |
| 14 | Ground |
| 15 | Motor speed command signal |
| 17 | Hall signal B |
| 18 | Hall signal C |
| OPU Terminal input/ output signal |
[A]
| Pin | Description | Condition | Input/output value | |
| Type | Level | |||
| 1 | Main relay power | IG Off ------------------ After startup (Disable) ------------------ After startup (Enable) | DC Voltage | - -------------------- Max. 0.5V -------------------------- Battery Voltage |
| 2 | Ground | IG Off ------------------ IG On | DC Voltage | - -------------------- Max. 0.5V |
| 3 | Motor phase power (U) | IG Off ------------------ After startup (Disable) ------------------ After startup (Enable) | PWM | - -------------------- Max. 0.5V -------------------------- Battery Voltage |
| 4 | Motor phase power (V) | IG Off ------------------ After startup (Disable) ------------------ After startup (Enable) | PWM | - -------------------- Max. 0.5V -------------------------- Battery Voltage |
| 5 | Motor phase power (W) | IG Off ------------------ After startup (Disable) ------------------ After startup (Enable) | PWM | - -------------------- Max. 0.5V -------------------------- Battery Voltage |
[B]
| Pin | Description | Condition | Input/output value | |
| Type | Level | |||
| 1 | Battery power (+) | IG Off ------------------ After startup ------------------ Startup Off(dark current) | DC Voltage | Battery Voltage -------------------- Battery Voltage -------------------- Max 5mA |
| 2 | Battery power(+) | IG Off ------------------ After startup ------------------ Startup off(dark current) | DC Voltage | Battery Voltage -------------------- Battery Voltage -------------------- Max 5mA |
| 3 | CAN Low | IG Off ------------------ Recessive ------------------ Dominant | Pulse | - -------------------- 2.0 ~ 3.0 V -------------------- 0.5~2.25 V |
| 4 | OPU status signal | IG Off ------------------ After startup (Low) ------------------ After startup (High) | Pulse | - -------------------- Max. 1.0V -------------------------- 0V / Battery voltage level 9V < Battery voltage level <16V |
| 5 | Hall sensor ground | IG Off ------------------ IG On | DC Voltage | - -------------------- Max. 0.5V |
| 6 | Hall sensor power(+5V) | IG Off ------------------ IG On | DC Voltage | - -------------------- 5.0V ± 0.5V |
| 7 | IG_Key | IG Off ------------------ IG On | DC Voltage | - -------------------- Battery Voltage |
| 9 | CAN High | IG Off ------------------ Recessive ------------------ Dominant | Pulse | - -------------------- 2.0 ~ 3.0 V -------------------- 2.75~4.5 V |
| 11 | Hall signal A | IG Off ------------------ After startup (Low) ------------------ After startup (High) | Pulse | - -------------------- Max. 0.5V -------------------------- 5.0V ± 0.5V |
| 12 | Main relay operation signal | IG Off ------------------ After startup(Disable) ------------------ After startup (Enable) | DC Voltage | - -------------------- Battery voltage level -------------------------- Battery voltage level |
| 13 | Ground | IG Off ------------------ IG On | DC Voltage | - -------------------- Max. 0.5V |
| 14 | Ground | IG Off ------------------ IG On | DC Voltage | - -------------------- Max. 0.5V |
| 15 | Motor speed command signal | IG Off ------------------ After startup (Low) ------------------ After startup (High) | Pulse | - -------------------- Max. 0.5V -------------------------- 0V / Battery voltage level 9V < Battery voltage level <16V |
| 17 | Hall signal B | IG Off ------------------ After startup (Low) ------------------ After startup (High) | Pulse | - -------------------- Max. 0.5V -------------------------- 5.0V ± 0.5V |
| 18 | Hall signal C | IG Off After startup (Low) ------------------ After startup (High) | Pulse | - -------------------- Max. 0.5V -------------------------- 5.0V ± 0.5V |
| Circuit Diagram |
Oil Pump Uni t(OPU) Components and Components Location
Components Location 1. Oil Pump Unit (OPU) ...
Oil Pump Uni t(OPU) Repair procedures
Removal 1. Disconnect the 12V battery negative (-) cable. 2. Remove the under cover (A). 3. Remove the wiring fixed clip at bracket after removing oil pump connector (A). Tightening torque: 18.6 ~ 27.5 ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Brake Pedal Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the crash pad lower panel and reinforcing panel. (Refer to the Body group - crash pad) 3. Remove the shower duct (A). 4. Pull down steering column shaft after removing bolts and nuts. (Refer to the steering group ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Engine Clutch Control Solenoid Valve (E/C_VFS) Specifications
Specifications Direct control VFS [E/C] Control type : Normal low type Control Pressure kpa(kgf/cm?, psi)9.81 ~ 500.14(0.1 ~ 5.1, 1.42 ~ 72.54)Current value (mA)50~850 Internal resistance (?)5.1 ...
© 2025 Copyright www.koptimatfhev.com