Honda Civic Service Manual page 640

ABS Components
DTC Troubleshooting (cont'dl
7. Check the resistance between the appropriate
w h e e l s e n s o r ( + ) a n d ( ) c i r c u i t t e r m i n a l s { s e e
ta ble).
DTC
Appropriate Terminal
l + ) S i d e
* l S i d e
11 {Riqht-front)
N o . 5 : F R S ( * )
N o . 4 : F R S 1 - )
'13
{Left-front)
N o . 7 : F L S { + i
N o . 6 : F L S ( -
1 5 ( R i o h t - r e a r )
No. 2: RBS {+) N o . 1 : R B S ( - )
17 (Left-rear)
N o . 9 : R L S 1 -
N o . 8 : B L S ( -
ABS CONTROL UNIT 31P CONNECTOR
Wire side of female terminals
Is the rcsistance between 450 2,000 A ?
YES Check for a loose ABS control unit3lP
connector. lf necessary. substitute a known-good
ABS modulator-control unit, and recheck.l
NO Go to step 8.
Disconnect the harness 2P connector from the
appropriate wheel sensor, and check the resistance
b e t w e e n t h e ( + ) a n d { ) t e r m i n a l s o f t h e w h e e l
sensor.
ls the resistance between 450- 2,000 Q ?
Y E S - R e p a i r o p e n i n t h e ( + ) o r ( - ) c i r c u i t w i r e , o r
short between the (+) circuit wire and the { )
circuit wire between the ABS modulator-control
u n i t a n d t h e w h e e l s e n s o r . l
N O R e p l a c e t h e w h e e l s e n s o r . l
19-46
DTC12,14, 16, 18: Wheel Sensor Putse
S i g n a l
NOTE: lf the ABS indicator comes on for the reasons
described below, the indicator goes off when you test-
d r i v e t h e v e h i c l e a t 3 1 m p h ( 5 0 k m / n l .
. Only the drive wheel rotated
. T h e v e h i c l e s p u n
. Electrical noise
1 . V i s u a l l y c h e c k f o r a p p r o p r i a t e w h e e l s e n s o r a n d
pulser installation and condition (see table).
DTC
Appropriate Wheel Sensor
12
Riqht-front
1 4
Left-front
R i q h t - r e a r
1 8
Left-rear
Ate they installed correctly and not damaged?
YES-Go to step 2,
NO Reinstall or replace the appropriate wheel
s e n s o r o r p u l s e r , I
Disconnect the ABS control unit 31P connector.
Measure the resistance between the appropriate
w h e e l s e n s o r ( f ) a n d ( ) c i r c u i t t e r m i n a l s ( s e e
t a b l e ) .
ls therc less than 450 Q ?
YES Go to step 1.
N O - G o t o s t e p 4 .
\
\|D
2.
3 .
DTC
Appropriate Terminal
l * ) S i d e
) Side
12 {Rioht-front)
N o . 5 : F B S
( *
N o . 4 : F B S
14 (Left-front)
N o . 7 ; F L S
l * N o , 6 : F L S
1 6 ( R i q h t . r e a r )
N o . 2 : R R S ( *
N o . 1 : B R S
18 (Left-read
N o . 9 : B L S 1 -
N o . 8 : R L S