Kia Optima Hybrid: 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: Specifications


Specifications ItemsSpecificationsRated voltage5VLoadMax. 1mA (When head lamp lighting)Illuminations (LUX)501.42 ± 0.31V1002.63 ± 0.58V1503.84 ± 0.84V ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Front Fog Lamps Repair procedures


Inspection 1. Disconnect the negative(-) battery terminal. 2. Remove the lighting switch of the multi-function switch. (Refer to the multi-function switch) 3. With the front fog lamp switch, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the multi-function ...

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