Honda Civic Service Manual page 282

32. fvleasure voltage between body ground and ECM
connector terminal (see table).
ECM CONNECTOR B (24P)
W i r e s i d e o f f e m a l e t e r m r n a l s
ls there battery voltage?
YES-Go to step 33,
N O G o t o s t e p 4 1 .
Turn the ignition switch OFF, and remove the
engine cover.
Disconnect the injector 2P connector from the
p r o b l e m c y l i n d e r .
Measure the resistance between injector 2P
c o n n e c t o r t e r m i n a l s N o . 1 a n d N o . 2 .
INJECTOB 2P CONNECTOR
T e r m i n a l s i d e o f m a l e t e r m i n a l s
l s t h e r e 1 0 Q
1 3 A ?
YES-Go to step 36.
N O R e p l a c e t h e i n j e c t o r ( s e e p a g e 1 1 - 1 1 I ) . t
33.
34.
3 5 ,
P R O B L E M
C Y L I N D E R
DTC EC t\4
TERMINAL
W I R E
COLOR
N o . 1
P0301 B 5
BRN
N o . 2 P0302 B 4 RED
N o . 3
P0303 B 3
BLU
N o . 4
P0304 YEL
36. Exchange the injector from the problem cylinder
w i t h o n e f r o m a n o t h e r c y l i n d e r .
L e t t h e e n g i n e i d l e f o r 2 m i n u t e s .
Test-drive the vehicle for several minutes in the
r a n g e o I t h e l r e e z e d a t a o r u n d e r v a r i o u s
condilions if there was no freeze data.
Check for a DTC or Temporary DTC with the scan
t o o l .
ls DTC or Temporary DTC P0301, P0302, P0303,
or P0304 indicated?
YES Go to step 40.
NO Intermittent misfire due to injector
malfunction, etc. Make sure the injector
connections are secure. Check for poor connections
or loose terminals at the injector connector.l
D e t e r m i n e w h i c h c y l i n d e r { s } h a d t h e m i s f i r e .
Does the mislirc occur in the cylinder whete the
i nj ector w as exchanged ?
YES Replace the faulty injector.l
NO Update the ECM if it does not have the latest
software, or substitute a known-good ECM. then
recheck (see page 1 'l-6). lf the symptom/indication
goes away with a known-good EClvl, replace the
o r i g i n a l E C M . I
Turn the ignition switch OFF.
Remove the engine cover.
Disconnect the injector 2P connector from the
p r o b l e m c y l i n d e r .
4 4 . 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 )
3 7 .
3 8 .
39.
4 1 .
42.
43.
(cont'd)
11-75