Hyundai Elantra: Oil Pump Unit (OPU) Connector - Oil Pump Unit (OPU). Schematic 
Diagrams - ISG (Idle Stop & Go) System - Fuel System - Hyundai Elantra MD 2010-2018 Service manualHyundai Elantra: Oil Pump Unit (OPU) Connector


Opu Connector Terminal Function
E56-A
E56-B
Pin No.
Description
Pin No.
Description
1
Motor power(W)
1
CAN communication (High)
2
Motor power(V)
2
CAN communication (Low)
3
Hall sensor(Ground)
3
-
4
Ground
4
-
5
Motor power(U)
5
-
6
Shield ground
6
-
7
Hall sensor signal input (W)
7
-
8
Hall sensor signal input (V)
8
-
9
Hall sensor signal input (U)
9
Ignition ON / Start
10
Hall sensor power
10
-
11
Battery voltage