Honda Civic Service Manual page 781

Electrical Troubleshooting ('99 - 00 Models)
Troubleshooting Flowchart - E Indicator Light Does Not Come On
FCM CONNECTOR B (25P}
LGl {8RN/ALKI
{BRN/8LK}
Wire side ol temale terminals
LGl IBNN/BLK} LG2 {BRN/BLK)
i
2
t 5 6
q
9 10 t7
LG2
o) (o
The Pll indicator light does not
c o m e o n w h e n t h e i g n i t i o n
switch is fi.st turned ON (ll). llt
should come on for about two
seconda.l
Check the Service Check Con-
nector:
Make sure the special tool (SCS
Service Connector) is not connect-
ed to the service check connector?
ls the specialtool {SCS Service
Connector) is not connected to
the seNice check connector.
Disconnect the special tool from
the service check connector and
r6check.
Check the Dll lndicator Lighti
Shift to d
position.
Check for loose terminal fit in the
PCM connecto13. It necessary.
sub3titute a known-good PCM
and recheck.
Does the @ indicator light
come on?
Check the Ground Circuit:
1. Turn the ignition switch OFF.
2 . D i s c o n n e c t t h e B ( 2 5 P ) c o n -
nector from the PCM.
3. Check for continuity between
t h e 8 2 0 t e r m i n a l a n d b o d y
ground, and between the 822
terminal and body ground.
R e p a i r o p e n i n t h e w i r e s
between the B20 rnd 822 termi-
n a l s a n d g r o u n d ( G 1 0 1 ) , a n d
rep.ir poor ground (G1011.
Measure Power Supply Circuit
Voltage:
1. Turn the ignition switch ON {ll}.
2. Measure the voltage between
t e r m i n a l s B 1 a n d 8 2 2 a n d
b e t w e e n t e r m i n a l s B g a n d
820.
Repair open or short in the wi.o
between th6 81 and/or 89 termi-
nals and the PGM-FI main relav,
and between th€ PGM-FI main
r€ley rnd the under-hood tus€/
relay box.
To page 14''103
14-102