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
GND2(Ground 2)
Ground for the EPS control unit
———
———
———
2
RED/BLU
EPSRXD/LKASTXD
Communications with LKAS control unit
2−GND
Ignition switch ON (II)
Battery voltage
3
WHT/RED
EPSTXD/LKASRXD
Communications with LKAS control unit
3−GND
Ignition switch ON (II)
Battery voltage
4
LT BLU
K-LINE (Data link connector)
Communicates with HDS
4−GND
HDS not connected
5 V
5
BLK
GND1 (Ground 1)
Ground for the EPS control unit
———
———
———
6
YEL
IG1 (Ignition 1)
Power source for activating the system
6−GND
Ignition switch ON (II)
Battery voltage
Ignition switch OFF
0 V
9
WHT
NEP (Engine pulse)
Detects tachometer signal
9−GND
Start the engine
About 3− 6 V
10
BLU
VSP(Vehicle speed pulse)
Detects vehicle speed signal from the speedometer
10−GND
Turn the front wheel
Battery voltage
11
YEL
WLP (Warning)
Drives the EPS indicator
11−GND
Start the engine
Battery voltage
Ignition switch OFF
0 V
12
BRN
SCS (Service check signal)
Detects service check connector signal
12−GND
SCS not grounded
Battery voltage
13
GRY
PSW (Power steering signal)
Provides idle speed-up signal to the ECM/PCM
13−GND
Start the engine and turn the steering wheel to full lock
Battery voltage for 1 second