Acura 1994 Integra Service Manual page 447

Troubleshooting Flowchart (cont'd)
Sof{irgnolis
D!
indic€tor tight
blinks throo rim6s.
Turn the ignition switch ON.
Check whother the Malfunction
Indicator Lamp (MlL) blinks (see
section 1 1).
Replir thc PGM-FI Syrtom l.s.
!.ction 111.
ls the MIL blinking?
Turn the ignition switch OFF.
Oisconnect rho 26P 6nd 22P con-
nectors lrom the TCM.
Connect the Test Harness "A"
and "D" connectors to the wire
harness only, not to the TCM lsee
page |4-491.
Turn the ignition switch ON.
Measure the voltage between the
Dl8 and A25 or A26 teiminats.
Rcpalr opon or shon In WHT/
BLK wlr. botw.cn th. D18 t.mi-
nsl rnd th. ECM.
ls the voltage 4.75-5.25 V?
Turn the ignirion swirch OFF.
Connect the Test Harness "A"
and "D" connectors to the TCM.
Turn the ignition switch ON.
Measure the voltage betwe€n the
D7 and A25 or 426 rerminals.
Roprlr oprn o. lhon in RED/BLK
wil. botwaan tha DT ta]minal and
tha TP ranaor.
ls the voltage 0.4-0.6 V?
Chock tor looro TCM connoctora.
ll noce$rry, subatitulo r known-
good TCM and rechock.
Possible Cause
. Disconnocted throttle position
{TP) sensoa connoctor
. Short or oDen in TP s€nsor wire
. Faulty TP senaor