Eps System Description; Eps Control Unit Inputs And Outputs For Connector A (2P); Eps Gontrol Unit Inputs And Outputs For Connector B (14P) - Honda S2000 Service Manual

EPS Components
System Description
EPS Control Unit lnputs and Outputs for Connector A (2P)
EPS CONTROL UNITCONNECTOR A {2P}
W i r e s i d e o f f e m a l e t e r m i n a l s .
EPS CONTROL UNIT CONNECTOR A (14P}
W i r e s i d e o f f e m a l e t e r m i n a l s .
Tormanal
numbet
Wir6 color
Terminel sign
{Terminal namel
Description
T€rminals Conditions
llonition Switch ON llll)
Vohage
GRN
MOTOR
{Motor minus}
Drives the actuator motor 1 - G r o u n d
2
MOTOR +
{Motor o!us)
Drives the actuator motor 2 Ground
EPS Gontrol Unit Inputs and Outputs for Connector B (14P)
Terminel
numb€l
Wirs color Terminal sign
{Terminal narne)
Description
Measurem€nt
Te.minals Conditions
on Switch ON {ll)l
Voltage
'l
YEL t G 1
(lonition 1
Power source for activating
1-Ground
l o n i t i o n s w i t c h O N ( l l )
Batterv voltaqe
l q n i t i o n s w i t c h O F F
2 WHT/BLK VSP
(Vehicle speed pulse)
Detects vehicle speed signal
fr.jm the soeedometer
2-Ground Turn the rear wheel
3
P N K
v s 1
{Voltaoe sensor 1
Detects torque sonsor
4
BLK G ND2
lGround 2)
Ground forthe EPS control
u n t
5
BLU
N E P
l E n q i n e o u l s e )
D e t e c t s t a c h o m e t e r s i g n a l
5-Ground Sta(the ongine
A b o u t 3 V 6 V
6 BLK
G N D l
( G r o u n d 1
G r o u n d l o r t h e E P S c o n t r o l
u n i t
1
BLU/RED
l V o l t a o e f a d e )
Drives the torque sensor
8 BRN
(Service check sional)
Detects service check
11 WHT/GRN
vs2
(Voltaqe sensor 2)
Detects torque sensor
12
YEUBLU Drives the EPS indicator
lioht
1 2 - G r o u n d
Startthe enoine
Batterv voltaqe
t o n r u o n s w t r c n u i i
BLU/BLK
( P o w e r s t e e r i n g s i g n a l )
Provades idle speed'up
signal to the ECM
l 3 - G r o u n d
S t a n t h e e n g i n e a n d
t u r n t h e s t e e r i n g w h e e l
1 . ' { u l l l o c k
Battery voltage
1 4
LT BLU DLC
iDara link connector)
C o m m u n i c a t e s w i t h H o n d a
PGM-Tester
17-24