Honda Civic Service Manual page 754

Troubleshooting Flowchart - Shift Control System
NOTE: Record all freeze data before vou troubleshoot.
Possible Cause
Faulty shift control system
. OBD ll Scan Tool indicates Code
P0730.
. S e l l - d i a g n o s i s E
i n d i c a t o r
light indicates Code ill.
Check tor Another Coder
C h e c k w h e t h e r t h e O B D l l s c a n
t o o l o r t h e E , i n d i c a t o r l i g h t
indicate another code.
Perlorm ths Troubleshooling
F l o w c h . r t f o r t h e i n d i c . t . d
Code(sl. Recheck tor code m730
l4'l I atter troubleshooting.
Does the oBD ll scan tool or
the E indicato'. tight indi
cate another code?
Test lst, 2nd, 3rd and 4th Clutch
Pressure:
Measure the 1st, 2nd, 3rd and 4th
clutch pressure (see page 14119
t h r u 1 4 - 1 2 1 ) .
Ropair the hydrlulic systom !s
necessary {see page 14-1 19 and
11-1211.
ls each clutch pressure within
the service limit?
Replace Shift Control Solenoid
valve Assembly, Linear Solenoid
Assambly and Rechock:
1 . R e p l a c e t h e s h i f t c o n t r o l
solenoid valve A'/B assembly
(see page 14-106).
2 . R e p l a c e t h e l i n e a r s o l e n o i d
assembly lsee page 14 108).
3. Turn the ignition switch OFF
and reset the PCM memory by
removing the EACK UP (7.5 A)
tuse in the under hood fuse/
r e l a y b o x f o r m o r e t h a n l 0
seconds,
4 . D r i v e t h e v e h i c l e a t o v e r 1 2
mph (20 km/h) in 1st, 2nd,3rd
and 4th gear for more than 30
seconds at P1 position.
5. Recheck tor code P0730 (41).
Does the OBD ll scan tool or
the Ed indicator tight indi
cate code P0730 {41)?
The swt6m is OK et this time.
NOTE: Do not continue with this troubleshooting until the causes ot any
other DTCS have been corrected.