EPS System Description

EPS Control Unit Inputs and Outputs for Connector A (2P)

Terminal number Wire color Terminal sign
(Terminal name) 		Description Measurement 
Terminals Conditions
(Ignition Switch ON (II)) 		Voltage 
1 GRN MOTOR -
(Motor minus) 		Drives the actuator motor 1-Ground ——— ——— 
2 RED MOTOR +
(Motor plus) 		Drives the actuator motor 2-Ground ——— ——— 


EPS Control Unit Inputs and Outputs for Connector B (2P)

Terminal number Wire color Terminal sign
(Terminal name) 		Description Measurement 
Terminals Conditions
(Ignition Switch ON (II)) 		Voltage 
1 WHT +B
(Plus battery) 		Power source for the actuator motor 1-Ground At all times Battery voltage 
2 BLK PG
(Power ground) 		Ground for the actuator motor 2-Ground ——— ——— 

EPS Control Unit Inputs and Outputs for Connector C (13P)

Terminal number Wire color Terminal sign
(Terminal name) 		Description Measurement 
Terminals Conditions
(Ignition Switch ON (II)) 		Voltage 
1 BLK GND 2
(Ground 2) 		Ground for the EPS control unit ——— ——— ——— 
4 BLU K-LINE
(Data link connector) 		Communicates with Honda PGM-Tester or HDS 4-ground PGM Tester not connected 5 V 
5 BLK GRD 1
(Ground 1) 		Ground for the EPS control unit ——— ——— ——— 
6 YEL IG1
(Ignition 1) 		Power source for activating the system 6-Ground Ignition switch ON (II) Battery voltage 
Ignition switch OFF 0 V 
9 BLU/RED NEP
(Engine pulse) 		Detects tachometer signal 9-ground Start the engine About 3 V- 6 V 
10 BLU/WHT VSP
(Vehicle speed pulse) 		Detects vehicle speed signal from the speedometer 10-Ground Turn the front wheel Battery voltage 
11 YEL WLP
(Warning) 		Drives the EPS indicator 11-ground Start the engine Battery voltage 
Ignition switch OFF 0 V 
12 BRN SCS
(Service check signal) 		Detects service check connector signal 12-ground SCS not grounded Battery voltage 
13 GRY PSW
(Power steering signal) 		Provides idle speed-up signal to the ECM/PCM 13-ground Start the engine and turn the steering wheel to full lock Battery voltage for 1 second 


EPS Control Unit Inputs and Outputs for Connector D (3P)

Terminal number Wire color Terminal sign
(Terminal name) 		Description Measurement 
Terminals Conditions
(Ignition Switch ON (II)) 		Voltage 
1 PNK VS 1
(voltage sensor 1) 		Detects torque sensor signal ——— ——— ——— 
2 BLU/RED PVF
(Voltage fade) 		Drives the torque sensor ——— ——— ——— 
3 WHT/GRN VS 2
(Voltage sensor 2) 		Detects torque sensor signal ——— ——— ———