Acura Integra 1998 Service Manual page 261

PGM-FI System
Manifold Absolute Pressure (MAPI Sensor (cont'dl
tF'r'sl li:"J:ilfi::il***:ilHi""k:"
code (Drc) P0108' A hish vo*ase (row vacuum) probrem
in the
Thc MIL has b6en reoortod on.
OTC P0108 is stored.
Problem veritication:
1 . S t a r t t h e e n g i n e . H o l d t h e
engine at 3,000 rpm with no
load (in Park or neutral) until
the radiator fan comes on, then
let it idle.
2. Check the MAP wlth the scan
t o o l ,
Intermittent f.ilure, svstem is OK
al this time. Check lor Door con-
nections or loose wires at C114
{MAP sensor} and ECM.
ls 101 kPa (760 mmHg,30.0 in.l-lg),
1.0 V or higher indicated?
Chock tor an opcn in th. MAP
s€nsoa:
1. Turn the ignition switch OFF.
2. Disconnect the MAP sensor
3P connector.
3. Install 6 jumper wire between
the MAP sensor 3P connector
terminals No.3 and No.2.
4. Turn the ignition switch ON (ll).
5. Ch€ck the MAP with the scan
tool.
ls 101 kPa (760 mmHg,30.0 in.Hg),
1.0 V or higher indicated?
Check tor an open in wire (SG1
linel:
1. Remove the jumper wire.
2, Measure voltage between the
MAP sensor 3P connector teF
m i n a l s N o . I a n d N o . 2 .
Repair open in the wire between
ECM l012l and MAP s€nsor.
ls there approx.5 V?
Check for an open in the wire
{MAP line):
1. Turn the ignition switch OFF.
2 . I n s t a l l a j u m p e r w i r e o n t h e
E C M c o n n e c t o r t e r m i n a l s
between D3 and Dl2.
3. Turn the ignition switch ON lll).
4. Check the MAP with the scan
tool,
ls 101 kPa (760 mmHg,30.0 in.Hg),
1.0 V or higher indicated?
Repair open in the wires between
ECM {D3, and MAP s6Gor.
Substitut€ a known-good ECM
and recheck. It normal MAP is
indicaied, rgplace the original
ECM.
MAP SENSOR 3P CONNECTOR {C114}
Wire side of female terminals
L
vccr
{YEL/RED)
MAP IWHT
JUMPER
WIRE
SG1 (GRN/WHT}
Wire side of female terminals
1 1 - 5 6
{GRN/WHT)I ] {RED/GRN)
ECM CONNECTOR D {16P}
L