Honda Civic Service Manual page 523

EPS Components
DTC Troubleshooting (cont'dl
7. Check for continulty 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 t h e t o r q u e
sensor 6P connector terminal No. 2.
EPS CONTROL UNIT CONNECTOR C I2OP)
ls thete continuity?
YES Go to step 8.
NO Repair open in the wire between the torque
s e n s o r a n d E P S c o n t r o l u n i t . I
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 . 1 1 a n d b o d y g r o u n d .
EPS CONTROL UNIT CONNECTOR C (2OP)
2 3 5 6 1 8
0
lvcc2
{GRN/YEL)
Wire side of female terminals
ls there continuity?
YES Repair short to body ground in the wire
between the torque sensor and EPS control unit. t
NO Go to step 9.
8 .
Wire side ol lemale terminals
17-32
\
9. Check for continuity between EPS control unit
connector C {20P) terminal No. 11 and the torque
sensor 6P connector terminal No. 3.
EPS CONTROL UNIT CONNECTOR C (2OP}
Vcc2 (GRN/YEL)
Wire side of female terminals
ls therc continuity?
YES-Go to step 10.
NO Repair open in the wire between the torque
sensor and EPS control unit.l
Substitute a known-good EPS control unit, and
connect all the disconnected connectors.
Sta rt the engine.
Does the EPS indicator come on?
YES Go to step 12.
NO Check for loose or poor connections at the
EPS control unit and the torque sensor connectors.
lf the connections are good, replace the EPS control
u n i t a n d r e c h e c k . l
Stop the engine, and verity the DTC.
ls DTC17 or DTC18 indicated?
YES-Replace the steering gearbox and recheck.l
NO Perform the appropriate troubleshooting for
the code indicated.l
1 0 .
1 1 .
12.