Honda S2000 Service Manual page 331

7. Push the clutch pedal in, then turn the ignition
switch ON (ll), and press the engine start bufton.
Measure voltage between body ground and PGM-Fl
main relay 7P connector terminal No. 2.
PGM.FI MAIN RELAY 7P CONNECTOR
Wire side of female terminals
ls there battety voltage?
YES - Go to step 9.
NO Go to step 8.
Check for a blown No. 21 STARTER SIGNAL (7.5A)
fuse in the under-dash fuse/relay box.
ls the f use blown?
YES Repair short in the wire between the PGM-Fl
main relay and the No. 21 STARTER SIGNAL (7.5A)
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 1 S T A R T E R S I G N A L
(7.5A). t
Turn the ignition switch OFF, and disconnect ECM
connector A (32P).
8 .
L
10. Check for continuity between PGM-FI mainrelayTP
connector terminal No. 1 and ECM connector
t e r m i n a l A 1 5 .
PGM.FIMAIN BELAY 7P CONNECTOR
ls there continuity?
YES Go to step 12.
NO- Repair open in the wire between the PGM-FI
m a i n r e l a y a n d t h e E C M ( A 1 5 ) . r
Reconnect ECM connector A (32P) and the PGM-Fl
main relay 7P connector.
Turn the ignition switch ON (ll), and measure
voltage between ECM connector terminals B1 and
B20, and between Bg and 820 individually.
1 1 .
12.
ECM CONNECTON B {25P}
I r c P l 0
3
5
1 1
1Z
21 22 23
LGl (BRN/YEL}
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 battery voltage?
YES - Go to step 13.
NO Check for an open in the wires between the
P G M - F l m a i n r e l a y a n d t h e E c M ( 8 1 , B 9 ) . l f r h e
w i r e s a r e O K , r e p l a c e t h e P G M - F l m a i n r e l a y . l
(cont'd)
1 1 - 1 0 3