OPU connector and terminal function |
OPU terminal function |
Pin | Description |
1 | Main relay power |
2 | Ground |
3 | Motor phase power(U) |
4 | Motor phase power(V) |
5 | Motor phase power(W) |
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 |
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 |
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 |
Components Location 1. Oil Pump Unit (OPU) ...
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 ...
Specifications ItemSpecificationTypeMotor Driven Power SteeringSteering gearTypeRack & PinionRack stroke148mm (5.82in)Steering angle(Max.)Inner40.05° ± 1.5°Outer32.95° Tightening Torques ItemTightening torque (kgf.m)Nmkgf.mlb-ftHub nuts88.3 ~ 107.99.0 ~ 11.065.1 ~ 79.6Steering wheel lock nut39.2 ...
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to the BD group - "Crash pad") 3. Remove the crash pad side switch assembly (A) as shown below picture. Put on gloves to protect your hands. 4. Disconnect the rheostat connector (A) from ...