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1 4 .
t 5 .
Turn the ignition switch ON (ll).
Measure voltage between body ground and ECIM
c o n n e c t o r t e r m i n a l s B 1 a n d 8 9 i n d i v i d u a l l y .
ECM CONNECTOR B {25P}
W i r e s i d e o t t e m a l e t e r m i n a l s
ls there battery voltage?
YES - Go to step 16.
NO Check for these problems:
. An open in the wire(s) between the PGfM-Fl main
relay and ECM connector terminals B1 and 89.
. Poor connections at the PGM-FI main relay.
. A f a u l t y P G M - F l m a i n r e l a y ( s e e p a g e 1 1 - 1 0 2 ) .
Repair or replace parts as needed.
IGPl (YEL/BLKI
t o .
1 7 .
1 8 .
1 9 .
Turn the ignition switch OFF.
Reconnect the connectors to the sensors, then
reconnect ECM connector C (31P).
Turn the ignition switch ON (ll).
Measure voltage between body ground and ECM
connector terminals 82, 810, 820, and B22
i n d i v i d u a l l y .
ECM CONNECTOR B {25P}
:
LGI (BRN/YELI
Wire side ot lemale terminals
ls there less than 1.0 V ?
YES Substitute a known-good ECfvl and recheck
(see page 1 1-5). lf the symptom/indication goes
a w a y , r e p l a c e t h e o r i g i n a l E C M . I
NO Repair open in the wire(s) that had more than
1.0 V between G'101 and the ECI\4 (82, Bl0, 820,
B 2 2 l . a
Turn the ignition switch OFF.
Connect an OBD ll scan tool/Honda PGM Tester
( s e e p a g e 1 1 - 3 ) .
Turn the ignition switch ON (ll).
Read the OBD ll scan tool/Honda PGM Tester.
Are any DTCs ind icated?
YES Go to the DTC Troubleshooting Index.l
NO Go to step 24.
(cont'd)
20.
2 1 .
22.
1 1 - 8 3
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Table of Contents
Troubleshooting
