Acura 1994 Integra Service Manual page 445

Electrical Troubleshooting
Troubleshooting Flowchart (cont'dl
Turn the ignition switch ON.
Check whether the Malfunction
Indicator Lamp (MlL) blinks (see
section 1 1).
Ropair tho PGM-FI Sysrom (se€
soction 11).
ls the MIL blinking?
Turn the ignition switch OFF.
Disconnect the 26P and 22P con-
nectors trom the TCM.
Connect the Test Harness "A"
and "D" connecto.s lo the wire
harness only, not to the TCM (see
page 14-49).
Turn the ignition switch ON.
Measure the voltage between the
D'18 and A25 or 426 terminats_
Rapair opon or shon in WHT/
BLK wi.e botweon the O18 te.mi-
nal rnd the ECM.
ls the voltage 4.75-5.25 V?
lvleasure the voltage between the
44 and A25 or 426 rerminals.
Ropsir shon to power source in
GRN/BLK wi.o betwoon the A4
t6.minal and th€ lock-up control
solonoid valve B.
Turn the ignition switch OFF.
14-54
Possible Cause
. Disconnected lock-up conlrol
solenoid valve B connector
. Short or open in lock-up control
solenoid valve B wire
. Faulty lock up control solenoid
valve B