Honda Civic Service Manual page 522

1 1 .
' t 2 .
Substitute a known-good EPS control unit, and
reconnect the disconnected connectors.
Sta rt the engine.
Does the EPS indicator come on?
YES Go to step 13.
NO Check for loose or poor connections at the
EPS control unit and the torque sensor conneclors.
lf the connections are good, replace the EPS control
u n i t a n d r e c h e c k . I
Stop the engine, and verify the DTC.
ls DTC16 indicated?
YES Replace the steering gearbox and recheck.l
NO Perform the appropriate troubleshooting for
the code indicated.l
1 3 .
DTC 17: Torque Sensor Vccl
DTC 18: Torque Sensor Vcc2
1 . C l e a r t h e D T C .
2 . S t a r t t h e e n g i n e .
3. Wait at least 10 seconds.
4 .
Does the EPS indicator come on?
YES Go to step 4.
NO Check for loose wires or poor connections. lf
the connections are good, the system is OK at this
t i m e . I
Stop the engine, and verify the DTC.
I s D T C l 7 o r D T C l 8 i n d i c a t e d ?
YES Go to step 5.
NO Do the troubleshooting for the DTc
i n d i c a t e d . I
Make sure the ignition switch is OFF, then
disconnect EPS control unit connector C (20P) and
the torque sensor 6P connector.
Check for continuity between EPS control unit
c o n n e c t o r C ( 2 0 P ) t e r m i n a l N o . 3 a n d b o d y g r o u n d .
EPS CONTROL UNIT CONNECTOR
C (2OP)
Wire side o{ female terminals
ls there continuity?
Y E S R e p a i r s h o n t o b o d y g r o u n d i n t h e w i r e
between the torque sensor and EPS control unit.I
NO Go to step 7.
(cont'd)
17-31