Abs Control Unit Terminal Arrangement - Honda Civic Service Manual

ABS Control Unit Terminal Arrangement
ABS CONTROL UNIT 26P CONNECTOR
Wire side of temale terminals
Terminal
numo0r
Wire
color
Terminal sign
Terminalnamo
Dgscription
Voltage
Conditions
(lgnition Switch ON flt))
Output voltago
teminals
PCOM
(Primary
common)
Power source for the solenoid
valve and pump motor.
1-GND
ON
=
ON O V
AC: 3-6 V
BLK/WHT
scoM
(Secondary
c o m m o n )
Power source for the solenoid
2.GND
OFF
lConnect the SCS service\
\
conneclor l
Approx. 3 V
ELVBLU
tG2
(lgnition 2)
Detects ignition switch 2
!9nal. (system activate signal)
3-GND
Batt€ry voltage
BLU/YEL
RRO
(Rear-right 0)
Detects right-rear wheel
sensor signal.
4-17
When the wheel is
turned at 1 turn/second.
53 mV or above on
digitaltester (AC
ra nge) {Fefera nce)
150 mvp-p or above
on oscilloscope
6 GRY
RLO
(Rear-left 0)
Detects left-rear wheel sensor
s r g n a l .
6 - 1 9
8
G R N
FRO
(Front-right 0)
D€tects right-front wheel
sgnsor srgnal,
a-21
Stops
Approx.2.5V
STOP
(Stop)
hects brake switch signal.
(Prevents unnecess€ry ABS operation)
9-GND
Brake pedal depressed.
Battery voltage
Brake pedal released.
O V
1 0 BRN^/vHT
FLO
(Front-left 0)
Detects left-front wheel sensor
signal.
10-23
When the wheel is
turned at 1 turn/
secono.
53 mV or above on
digitaltester (AC
range) (Referance)
150 mVFporabove
on oscilloscope
9!ops Approx. 2.5 V
12 YEL
RLOUT
(Rearjeft outlet)
Drives left-rear outlet solenoid
1 2 . G N D
ON
-9
ON
O V
OFF AC: 3^6 V
REDMHT
RR]N
(Rear-right
inlet)
Drives right-rear inlet solenoid
valve.
13-GND
OFF
lconnect the SCS service]
i
connector I
Approx. 3 V
1 4
B 1
(Battery 1)
Power source for the solenoid
vatve and pump motor.
14.GND
Battery voltage
1 5 WHT/G R N
82
(Baftery 2)
Power source for the solenoid
varve ano pump motor.
1 5 . G N D
r6
BLK
GND2
{Ground 2)
Ground for the ABS control
unit.
16-GND
Below 0.3 V
1 7 GRN/'/EL
R R 1
(Rear-right 1)
Detects right-rear wheel
sensor signal.
17-4
When the wheel is turned
at 1 turn/second.
53 mV or above
on digitaltester
(AC range)
(Referance) 150
mVp-p or above
on oscilloscope
1 9 LT BLU
R L l
(Rea.-left 1)
Detects left-rear wheel sensor
sagnal.
19-6
GRN/BLK
F R l
(Front-right 1)
Detects right-front wheel
sensor signal.
21-8
FL1
(Front-left 1)
Detects left-front wheel sensor
s i g n a l .
23-10
Stops
Approx. 2.5 V
RED
RL-IN
(Rear-lett inletl
Drives left-r€ar inlet solenoid
25.GND
ut
ON
' 6
-9
ON O V
OFF
AC: 3-6 V
OFF
lconnect the SCS service]
\
connector l
Approx. 3 V
BLK
GND3
(Ground 3)
Ground for the ABS cgntrol
unit.
26.GND
Below 0.3 V
19-52