Honda Civic Service Manual page 529

EPS Components
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DTC Troubleshooting (cont'd)
DTC 42,45: Motor Driven Current
1. Clear the DTC.
2. Sta rt the engine.
3. Turn the steering wheel from lock-to-lock several
t i m e s , a n d w a i t 1 0 s e c o n d s o r m o r e .
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.
ls DTC 42 or 45 indicated?
YES-Go to step 5.
NO- Perform the appropriate troubleshooting for
t h e c o d e i n d i c a t e d . I
M a k e s u r e t h e i g n i t i o n s w i t c h i s O F F , t h e n
disconnect EPS control unit B connector (2P) and
the motor 2P connector.
Check for continuity between EPS control unit
c o n n e c t o r B ( 2 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 .
EPS CONTROL UNIT CONNECTOR B I2P)
M1 IRED} H
I f2-l
(C))
T
I
Wire side of female terminals
ls there continuity?
YES Repair short to body ground in the RED wire
between the EPS control unit and the motor,I
N O - G o t o s t e p 7 .
6 .
17-38
7. Check for continuity between EPS control unit
c o n n e c t o r B ( 2 P l t e r m i n a l N o . 2 a n d b o d y g r o u n d .
EPS CONTROL UNIT CONNECTOR B I2PI
r',rz tcnnrt ll
-]-
(o)
T
I
Wire side of female terminals
lsthere continuity?
YES Repair short to body ground in the GRN wire
between the EPS control unit and the motor.l
NO Go to step 8.
Check for continuity between EPS control unit
c o n n e c t o r B ( 2 P ) t e r m i n a l N o . 1 a n d N o . 2 .
EPS CONTROL UNIT CONNECTOR B {2P)
W i r e s i d e o f f e m a l e t e r m i n a l s
ls there continuity?
YES Repair short between the RED and GRN
wires in the motor circuit between the EPS control
u n i t a n d t h e m o t o r . l
NO Go to step 9.
M2 {GRN)