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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