Acura Integra 1998 Service Manual page 341

I
lntake
lntake
Air System
Air Bypass (lABl Control System tB18C1 enginel (cont'd)
( F r o m p a g e 1 1 i 1 3 5 )
( F r o m p a g e 1 1 1 3 5 )
IAB CONTROL SOLENOID
VALVE 2P CONNECTOR (C13ir)
'._r
taB sol
-H, IRED/ALUI
/ /
1
\ - ' l
f---:----l /A\
\ 2 Y
Wire side o{ female terminals
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.t
Check {or vacuum at 6,000 rpm:
1, Raise engane speed to above
6,000 rpm.
2 . C h e c k f o r v a c u u m a t t h e
vacuum hose,
Disconnect the IAB control solenoid
valve 2P connector.
ls there vacuum?
Substitute a known-good ECM
and recheck. lf symptom goes
away, replace the original ECM.
IAB control svstom is OK.
Check lor a shon in the wire (lAB
SOL line):
1. Turn the ignition switch OFF.
2. Disconnect the ECM connector
A (32P).
3. Check for continuity between
body ground and the IAB con'
trol solenoid valve 2P connec-
torterminalNo. 1.
ls there battery voltage?
Repair open in the wire betwaon
ECM lA26) and the IAB control
solenoid valve 2P connectoa.
Check tor an open in the wiro
{GND line)r
1. Turn the ignition switch OFF.
2. Check for continuity between
body ground and the IAB con-
trol solenoid valve 2P connec
tor terminal No.2.
Repair open in the wire between
the IAB control solenoid valve 2P
connector and G101.
Subdhnte a known-good ECM and
recheck. ll symptom goes away,
r€place the original ECM.
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