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:
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Removal • Take care not to scratch the center fascia panel and related parts. • Eject all the disc before removing the audio unit to prevent damaging the CD player''s load mechanism. 1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, remove the crash ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Front Hub / Knuckle Repair procedures
Replacement 1. Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported. 2. Remove wheel nuts, front wheel and tire from front hub. Tightening torque: 88.2 ~ 107.8 N.m (9.0 ~ 11.0 kgf.m, 65.0 ~ 79.5 lb-ft) Be careful not to damage to the wheel nuts when ...
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