Honda EP3 Service Manual page 301

PGM-FI System
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DTC Troubleshooting (cont'dl
45. Measure voltage between injector 2P connector
t e r m i n a l N o . 1 a n d b o d y g r o u n d .
INJECTOR 2P CONNECTOR
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Wire side of female terminals
ls there battery voltage?
YES-Go to step 46.
NO-Repair open in the wire between the injector
a n d t h e P G M - F l m a i n r e l a y l . l
Turn the ignition switch OFF.
Check for continuity between body ground and
ECM connector terminal (see table).
46.
4 7 .
ECM CONNECTOR B {24P)
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 in the wire between the ECM
a n d t h e ; n j e c t o r . I
N O - G o t o s t e p 4 8 .
P R O B L E M
C Y L I N D E R
DTC
E C M
TERMINAL
W I R E
COLOR
N o . 1
P030'1 B 5
B R N
N o . 2
P0302 B 4 RED
N o . 3
P0303 B3
BLU
N o . 4
P0304 8 2
YEL
11-76
48. Connect injector 2P co nnector term inal No.2 to
body ground with a jumper wire {see table).
INJECTOR 2P CONNECTOR
Wire side of {emale terminals
49. Check for continuity between body ground and
ECM connector terminal (see table).
ECM CONNECTOR B I24P)
Wire side oJ temale terminals
ls therc continuity?
YES Replace the injector, then recheck.l
NO Repair open in the wire between the ECM and
the injector.I
tll-Z-l
-]_r-l_rNJ
I J U M P E R
IwrBE
P R O B L E M
C Y L I N D E R
DTC WIRE COLOR
N o . 1
P0301 BRN
N o . 2
P0302 RED
N o . 3
P0303 BLU
N o . 4
P0304 YEL
P R O B L E M
C Y L I N D E R
DTC E C M
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 8 2 YEL