Acura 1994 Integra Service Manual page 264

PGM-FI System
A/T Fl Signal A/B (A/T only)
\[l0l-
The Maltunction Indicaror Lamp (MlL) indicates Diagnostic Trouble Code (DTC) 30: A problem In
-L=\ the A/T Fl Signat A circuit between Transmission Control Module (TCMI and ECM.
tItil-
The Malfuncrion Indicaror Lamp {MlL) indicates Diagnostic Trouble Code {DTCI 31: A problem In
-Li!-
the A/T Fl Signal B circuit between Transmission Controt Module (TCM) and ECM.
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- l 3 0 l - o ' - l 3 t l -
-----\
/----\
84'
+
ulty?
Continuity?
r: code 31 1A/T Fl signal Bl
11 -76
Wlth tho SCS ahon connocrol
coni|ocd
{!o. p.g. 'l 1 -341, codo
3O and/or 31 ars indicltod.
Oo ths ECM Resot Proceduro {see
pag€ 'l 1-35).
Test drive necessary.
Drive the car lor several miles so
that the transmission uDshifts and
downshilts several times.
Intormittant tsilu.o, sy3tem iB OK
at thir tima,
Chack lor poor connactions ot
l.ro!€ wiror at C419 (TCM] and
ECM.
Does the MIL indicare code
30 and/or 31?
Turn the ignition switch OFF.
Connect the test harness to th€
main harness only, not to the ECM
(see p8go l'l-37).
Disconnect the 22P connector
from the TCM.
Check lor continuity between B3
andlor 84' terminal and body
grouno.
Ropair lhon in GRN/8LU or GRY'
wiro b6twoon ECM (83 or 84'l
and tho TCM.
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