Dtc Troubleshooting - Honda Civic Service Manual

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DTC Troubleshooting
DTC 11, 13, 15, 17: Wheel Sensor
(Open/Short to Body Ground/Short to Power)
1. Disconnect the ABS control unit 31P connector.
2. Sta rt the engine.
3. Measure the voltage between the appropriate
w h e e l s e n s o r ( * ) c i r c u i t t e r m i n a l o f t h e A B S
control unit 31P connector and body ground (see
t a b l e ) .
DTC ADpropriate Terminal
11 (Rioht-front) N o . 5 : F R S ( t )
13 (Left-front) N o , 7 : F L S ( * )
15 {Riqht-rear}
N o . 2 : R R S ( * )
17 (Left-rear)
N o . 9 R t S ( f )
ABS CONTROL UNIT 31P CONNECTOR
F R S { + I I G N R / B L K } F L S I + I ( B L U
R R S { + )
(GNR/YEL)
Wire side of female terminals
ls thete battery voltage?
YES Repair short to power in the (+) circuit wire
between the ABS modulator-control unit and the
appropriate wheel sensor. I
NO Go to step 4.
4. Turn the ignition switch OFF.
5. Check for continuity between the appropriate
wheel sensor (+ ) circuit terminal and body ground
{ s e e t a b l e ) .
DTC Appropriate Terminal
11 (Riqht-front)
N o . 5 : F R S ( + )
13 (Left-front)
N o . 7 : F L S ( * )
1 5 ( R i o h t - r e a r )
N o . 2 : R R S ( * )
17 (Left-rear)
N o . 9 R L S ( + l
ABS CONTROL UNIT 31P CONNECTOR
W i r e s i d e
ls there continuity?
YES Go to step 6.
NO-Go to step 7.
Disconnect the harness 2P connector from the
appropriate wheel sensor, then check for continuity
b e t w e e n t h e 1 + ) a n d ( ) t e r m i n a l s o f t h e h a r n e s s
and body ground.
ls there continuity?
Y E S - R e p a i r s h o r t t o b o d y g r o u n d i n t h e ( + ) o r { )
circuit wire between the ABS modulator-control
unit and the wheel sensor.l
NO Repiace the wheel sensor.l
(cont'd)
Wire side of female terminals
19-45