Acura 1994 Integra Service Manual page 241

PGM-FI System
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- - t - .
Fuel Supply System
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l t @ t - - t 1 3 |
-
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The Maltunction Indicator Lamp (MlL) indicares Diagnostic Trouble Code (DTC) 43: A problem in
- L:!-i - the Heated Oxygen Sensor (HO2S) circuit. or a probtem in the Fuel Supply System.
NOTE:
. Use DIGITAL MULTIMETER.
. U6e 2 Volt rang6.
o o o o o o o o o o o o o I o o o o o o o o
o o o o o o o o o o o
o o Q o o o o o o o o o o I o o o o o o o o
o o o o o o o o o o o
426
JUMPER WIRE
o o o o o o o o o o o o o I o o o o o o o o I s d t c l l o d s l o o o o o o o o o o o
o o o o o o o o o o o o o I o o o o o o o o
o o o o o o o o o o o
D 1 4 { + l
I
426 t-l
vohrgo rhould rl.n.t
|
0.4-0.5
V wh.n th.
.-
ignirioo .wilch i! fird
t|rtrod o.r, Itd docr!6a
to b.low O.1 V in L..
th6n two minutaa.
- Tho MIL h.s boen reportod on.
- With rhe SCS short con-
noctor connocted (soo paga
1l-34), codo 43 b indlcat.d,
From codr I troebl.-
lhoorlng lprgo 1146).
ls the code 43 accompanied by
the MIL and poor driveability?
Go to Fuol Supply .y.t.m
(|ec
pag6 1t-971.
Do the ECM Reset ftocedure lsee
p a g e 1 1 - 3 5 ) .
Connect the SCS short connector
to the service check connector
{see page
'l1-34).
Start the engine. Hold the engine
at 3,00O rDm with no load {A/T in
@or@ position, M/T in neutral)
until the radiator Ian comes on,
then let it idle for at least one
manute,
Intonnitl.nt t llure, tydom lr OK
at thi. tim. lto.t drlv. mly b.
nocaararyr.
Chock lor poo? connactlona ot
loots wiro at C223 lloc.t.d at
rlghl lhock towo.]. Cl13lHO2Sl
and ECM,
Raise the engine speed to 3,000
rpm and hold that throttle position
tor at least one minute.
Do not vary the throttle position
even if the rpm drops.
Ooes the MIL blink and does it
indicate code 43?
Turn the ignition swilch OFF.
Connect the test harness between
the ECM and conneclors {see
p a g e 1 1 - 3 7 1 .
With the ignition switch OFF, wait
for at least two minutes.
lnstall a jumper wire on the test
harness between A6 and A26.
1 1 - 5 0
1To page 1 1-5'l l