Pgm-Fi Main Relay - Honda Civic Service Manual

Fuel Supply System
PGM-FI Main Relay (cont'dl
Circuit Troubleshootin g
PGM.FI MAIN RELAY 7P CONNECTOR {C443)
GND
{8LK)
Wire side of female terminals
/BLK}
-
Engine will not start.
-
lnsoection of PGM-FI main
relay and relay harne$.
Check for an open in the wire
{GNO line}:
l. Turn the ignition switch OFF.
2. Disconnect the PGM-Fl main
relay 7P connector.
3. Check for continuity between
the PGM Fl main relay 7P con-
nector terminal No.3 and body
ground.
Ropai. open in the wir€ between
the PGM-FI main .elav and G101.
Check for an open or short in the
wire {BAT lin€}:
N 4 e a s u r e v o l t a g e b e t w e e n t h e
PGM-FI main relay 7P connector
terminal No. 7 and body ground.
-
Repair open or sho.t in the
wire between the PGM-FI main
r e l a y a n d t h e F l E / M { 1 5 A }
fus€.
-
Replace the Fl E/M (15 Allu3e
in the under-hood fuse/relay
oox.
ls lhere battery voltage?
Check tor an open or short in the
wire {lGl line):
1. Turn the ignition switch ON (ll).
2. Measure the voltage between
the PGM-Fl main relay 7P con'
nector terminal No. 5 and body
ground.
-
Repair open or short in the
wire betwoen the PGM-FI main
r e l a v a n d t h e N o . 1 3 F U E L
PUMP (15 A)tuse.
-
R € p l a c e t h e N o . 1 3 F U E L
PUMP {15 A} tus€ in the under-
d.sh fus€/relay box.
ls there battery voltage?
Ch.ck for an open or short in the
wire {STS lino}r
1. Turn the ignition switch to the
START (lll) position.
NOTE:
. M/T: Clutch pedal must be
oepresseo.
. A/T: Transmission in E or
E position.
2, Measure the voltage between
t h e P G M - F l m a i n r e l a y 7 P
connector terminal No, 2 and
body ground.
1
2
[,
a 5 6
7
1 2
3 BAT
{WHT
a
5 6
,
'96 98 models: (To page 1l 239)
'99 - 00 models: (To page I l-240)
11-238,