Acura 1994 Integra Service Manual page 442

Number of @
indicator light
blinks while
Service Check
Connector is
connected with
the special tool.
@
indicator
l i g h t
Possible Cause
Symptom
Refer to
page
'lo
Blinks Disconnected engine coolant tempera-
rure (ECT) sensor connector
Short or open in ECT sensor wire
Faulty ECT sensor
Lock-up clutch does not
engage.
1 4 - 6 8
1 l
O F F Disconnected ignition coil connector
Short or open in ignition coil wire
Faulty ignition coil
. Lock-up clutch does not
engage.
't 4-7 0
1 3
Blinks
. Shon or open in LT GRN wire between
the D3 terminal and ECM
. Faulty barometric pressure {BARO)
sensor
NOTE: The BARO sensor is built into
the ECM
. No specific symptom
appears.
14-7 1
1 4 Blinks
. Short of open in FAS {YEL} wire be-
tween the D16 terminal and ECM
. Faulty ECM
. Transmission jerks hard
when shitting.
' t 5
O F F Disconnected mainshaft speed sensor
connecror
Short or open in mainshaft speed sen-
sor wire
Faulty mainshaft speed sensor
. Transmission jerks hard
when shifting.
14-75
Symptom
Probable Cause Ret.page
LQ! indicator light is on steady, not blinking whenever the ignition is on.
1 4 - 7 7
[Q3] indicator light does not come on for 2 seconds after ignition is first
turned on.
1 4 - 7 8
Lock-up clutch does not have duty operation (ON-OFFI.
Check A/C signal with
A/C on.
1 4 - 8 0
Lock-up clutch does not engage.
Shitt leve. cannot be moved lrom @ position with the brake pedal
depressed.
Check brake switch signal,
14-41
It the self-diagnosis LQ4 indicator light does not blink, perform an inspection according to the table below.
a lf a customer describes the symptoms for codes 3, (yet the LQ! indicator light is not blinkingl, 6, 1 1 or 15, it will
be necessa.y to recreate the symptom by test driving. and then checking the @ indicator light with the ignition still
oN.
e lt ttre @ indicator light displays codes olher than those listed above or stays lit continuously, the TCM is faulty.
. Sometimes the Lqd indicator light and the Malfunction Indicator Lamp (MlL)/Check Engine light may come on simul-
taneously. lf so, check the PGM-Fl system according to the numbe. of blinks on the MIL/Check Engine light. then
reset the memory by removing the BACK UP fuse in the unde.-hood fuse/relay box for more than 1O seconds. Drive
the vehicle for several minutes at speed over 30 mph (5O km/h), then recheck the MIL/Check Engine light.
N O T E :
. PGM-FI system
The PGM-Fl system on this model is a sequential multiport fuel injection system.
a Disconnecting the BACK UP luse also cancels the radio anti-theft code. preset stations and the clock setting. Get
the fuse so vou can reset them.
the customer's code number and make note ot the radio
14-51