Honda S2000 Service Manual page 563

EPS Components
1 3 .
1 4 .
t c .
EPS Indicator Circuit Troubleshooting (cont'dl
Turn the ignition switch OFF.
Disconnect EPS control unit connector B (14P).
Disconnect the connectors from the following units.
. ECM {32P)
. ABS control unit
. SRS control unit
Check for continuity between EPS control unit
c o n n e c t o r B ( 1 4 P ) t e r m i n a l N o . 8 a n d b o d y g r o u n d .
EPS CONTROL UNIT
CONNECTOR B llilP)
Terminal side of female terminals
ls therc continuity?
YES Repair short to body ground in the SCS
c i r c u i t . l
NO - Go to step 17.
17. Turn the ignition switch OFF. then remove the
Honda PGM Tester.
18. ConnectEPS control unit connector B ('14P).
1 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 ) .
t o .
17-44
20. Measure the voltage between data link connector
( 1 6 P ) t e r m i n a l N o . 1 a n d b o d y g r o u n d .
DATA LINK CONNECTOR (16PI
Wire side of female terminals
Is there about 6 V?
YES Go to step 21.
NO Repair open in the wire between the data link
c o n n e c t o r ( 1 6 P ) a n d t h e E P S c o n t r o l u n i t . l
2 1 . T u r n t h e i g n i t i o n s w i t c h O F F .
22. Connect all disconnected connectors.
23. Disconnect EPS control unit connector B (14P).
24. Turn the ignition switch ON (ll), and startthe engine.
Does the EPS indicator go off?
YES Go to step 25.
NO Repair short to body ground in the wire
between the EPS indicator and the EPS control unit.
I
25. Inspect the bulb circuit board in the gauge
assembly (see page 22-47).
ls it normal?
YES Check for loose EPS control unit connectors.
lf necessary substitute a known-good EPS control
unit and recheck.l
N O R e p l a c e t h e b u l b c i r c u i t b o a r d i n t h e g a u g e
a s s e m b l y . l
scs (BRN)