Honda Civic Service Manual page 383

NOTE:
"in-"n tf'"r" is no Diagnostic Trouble Code (DTCi stored, the MIL will stav on ;{ the scs
service connector is connected and the ignition switch is ON
(ll)
. lf this symptom is intermittent, check for:
-
An intermittent short in the wire between the ECM/PCM (A10) and the service check
connector
-
A n i n t e r m i t t e n t s h o r t i n t h e w i r e b e t w e e n t h e E C M / P C M
( A 1 8 1 a n d t h e g a u g e
. s"" it'" Oab ll scan tool or Honda PGM Tester user's manuals for specific operating
instructions.
' l
ECM/PCM CONNECTOR A I32P)
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
The Malfunction Indicator LamP
lMlL) staYs on or comes on after
C h e c k t h e D i a g n o s t i c T r o u b l e
Code (DTC):
1. Connect a scan tool or Honcla
PGM Tester.
2. Turn the ignition switch ON (ll)
3. Read the DTC with the scan
tool or Honda PGM Tester.
Go to troubloshooting Proc€dures
(see page 1141).
Are any DTC(S) indicated?
check the DTC by MIL indic.tion:
1. Turn the ignition switch OFF
2. Connect the SCS service con_
n e c t o r t o t h e s e r v i c e c h e c k
3. Turn the ignition switch ON (ll)
Repair open or 3hort in wiro
between ihe ECM/PCM (A21)
and Data Link Connector.
Go to troubleshooting Ploce_
du.es (see page 11-811.
Does the MIL indicate anY DTC?
T r y t o s t a r t t h e e n g i n e
Substitute . known-good ECM/
PCM and recheck lt sYmptom/
indication goes awaY, rePlaca
th. original ECM,/PCM.
C h e c k f o r a s h o r t i n t h e w i . e
(Scs line):
1. Turn the ignition switch OFF
and turn the ignition switch
o N 1 ) .
2 - M e a s u r e v o l t a g e b e t w e e n
b o d y g r o u n d a n d t h e E C M /
PCM connector terminal A10
Reoair short to body ground in
the wiro bstwaen ECM/PCM (A101
and service ch€ck connoctot.
ls there battery voltage?
( T o p a g e 1 1 - ' 1 1 4 )
(cont'd)
1 1 - 1 1 3