Abs Indicator Circuittroubleshooting - Honda EP3 Service Manual

ABS Components
5.
6 .
ABS Indicator Circuit Troubleshooting (cont'dl
Turn the ignition switch ON (ll).
Measure the voltage between the ABS control unit
31P connector termina I No. 15 and body ground.
ABS CONTROL UNIT 3IP CONNECTOR
Wire side of female terminals
Is there battety voltage?
YES-Go to step 7.
NO-Repair open in the wire between the No. 11
(7.5A) fuse and the ABS control unit.I
Turn the ignition switch OFF.
Check for continuity between the ABS control unit
31P connector terminal No. 19 and body ground.
ABS CONTROL UNIT 31P CONNECTOB
Wire side ot Iemale terminals
ls there continuity?
YES Go to step 9.
NO-Repair open in the wire between the ABS
control unit and body ground (G202). t
9 . T u r n t h e i g n i t i o n s w i t c h O N ( l l ) .
1 .
8 .
19-54
10. Connect the ABS control unit3lPconnector
t e r m i n a l N o . 2 0 a n d b o d y g r o u n d w i t h a j u m p e r
w i r e .
ABS CONTROL UNIT 31P CONNECTOR
W i r e s i d e o f f e m a l e t e r m i n a t s
Does the ABS indicator go off?
YES-Check for loose terminals in the ABS control
unil 31P connector. lf necessary, substitute a
known-good ABS modulator-control unit, and
recheck.I
NO Go to step 1 1.
Remove the gauge assembly, and leave the
connectors connected. Connect the gauge
a s s e m b l y c o n n e c t o r A ( 2 2 P ) t e r m i n a l N o . ' 1 2 a n d
body ground with a jumper wire.
GAUGE ASSEMBLY CONNECTOR A (22P)
\
'l '1.
Wire side of female terminals
Does the ABS indicator go off?
YES-Repair open in the wire between the gauge
a s s e m b l y a n d t h e A B S c o n t r o l u n i t . I
NO-Check for loose gauge assembly connectors.
lf the connectors are OK, replace the printed circuit
b o a r d i n t h e g a u g e a s s e m b l y . l