Pgm-Fl Main Relay Circuit Troubleshooting - Honda S2000 Service Manual

Fuel Supply System
PGM-Fl Main Relay Circuit Troubleshooting
Turn the ignition switch OFF, then disconnect the
PGM-Fl main relay 7P connector.
Check for continuity between body ground and
PGM-Fl main relay 7P connector terminal No. 3.
PGM.FI MAIN RELAY 7P CONNECTOR
Wire side of female terminals
ls thete continuity?
YES Go to step 3.
NO Repair open in the wire between the PGM-FI
m a i n r e l a y a n d G 1 0 1 . 1
Measure voltage between body ground and PGM-Fl
main relay 7P connector terminal No. 7.
PGM.FI MAIN RELAY 7P CONNECTOR
T (WHT/GRNI
Wire side of female terminals
ls there battery voltage?
YES Go to step 5.
NO Go to step 4.
1 .
11-102
4 . Check for a blown ACG S (15 A) fuse in the under-
hood fuse/relay box.
ls the luse blown?
YES Repair the short in the wire between the
P G M - F I m a i n r e l a y a n d t h e A C G S ( 1 5 , A ) f u s e . l
NO - Repair the open in the wire between the PG lM-
F l m a i n r e l a y a n d t h e A c G s ( 1 5 A ) f u s e . l
Turn the ignition switch ON (ll), and measure
voltage between body ground and PGM-Fl main
relay 7P connector terminal No. 5.
PGM.FI MAIN RELAY 7P CONNECTOR
(BLK/YEL}
Wire side o{ temale terminals
ls there battery voltage?
YES Go to step7.
NO Go to step 6.
Check for a blown No. 2 FUEI PU MP SRS (15A)
fuse in the under-dash fuse/relay box.
ls the luse blown?
YES Repair short in the wire between the PGI\4-Fl
m a i n r e l a y a n d t h e N o . 2 F U E L P U M P S R S ( 1 5 A )
f u s e . l
NO Repair open in the wire between the PGM-Fl
m a i n r e l a y a n d t h e N o . 2 F U E L P U M P S R S ( 1 5 A )
f u s e . I
6 .
Z
3
4 5
6
1
tG1