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PGM-FI System
Manifold Absolute Pressure (MAPI Sensor
The scan tool indicates Diagnostic Trouble Code (DTC) P0107r A low voltage (high vacuum) problem in the
N4anifold Absolute Pressure (MAP) sensor.
The MAP sensor converts manifold absolute pressure into electrical signals and inputs the ECM.
OUTPUT
VOLTAGE
( v t 3 . 5
2.5
2.O
1 . 5
1 . 0
0.5
0
lin.HglGAUGE
READING
(mmHgl
MAP SENSOR 3P CONNECTOR IC114I
vccr
IYEL/REDI
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The MIL haa baen raportGd on.
DTC P0107 is storcd,
Problem ve.ification:
L Turn the ignition switch ON (ll).
2. Check th€ MAP with the scan
tool.
Intermittent tailulo. systam i! OK
at thk lime. Chock tor pooa con-
noctions or loosa wir.3 al C114
{MAP s€n3orl dnd ECM.
ls approx.0 kPa (0 mmHg.0 in.Hg)
or 2.8 V indicated?
Chcck lor an opan or 3hoJt in tho
MAP 3on!or:
1. Turn the ignition switch OFF.
2, Disconn6ct th6 MAP sensor
3P conn6ctor.
3. Turn lhe ignition switch ON (lll.
4. Ch€ck the MAP with the scan
tool.
ls approx.0 kPa (0 mmHg,0 in.Hg)
or 2.8 V indicated?
Ch6ck for .n op.n in wiro IVCCI
lin.l:
M e a s u r e v o l l a g e b e t w e € n t h e
MAP sensor 3P conn€ctor termi'
n a l s N o . l a n d N o . 2 ,
R.pair op.n in thc wile lrotween
ECM {Dll and MAP sensoi.
ls there approx.5 V?
(To page 11-55)
Wire side of female terminals
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Troubleshooting
