Suzuki RA410, Manual

Page: 418 / 761

REMOVAL
1) Disconnect MAP sensor vacuum hose from intake manifold.
2) Disconnect connector from MAP sensor.
3) Remove MAP sensor (1).
1
INSPECTION
Arrange 3 new 1.5V batteries (1) in series (check that total voltage
is 3.5 – 4.5 V) and connect its positive terminal to “Vin” terminal of
MAP sensor and negative terminal to “GND” terminal. Then check
voltage between “Vout” and “GND”.
Also, check that voltage decrease when vacuum is applied up to
400 mmHg by using vacuum pump (2).
Output voltage (Vin voltage 3.5 – 4.5V, ambient temp. 20 – 30
5
C
(68 – 86
5
F))
If check result is not satisfactory, replace MAP sensor.
Vin
Vout
GND
2
1
INSTALLATION
1) Install MAP sensor.
2) Connect MAP sensor connector securely.
ENGINE AND EMISSION CONTROL SYSTEM 6E1-53
ALTITUDE
(Reference)
BAROMETRIC
PRESSURE
OUTPUT
VOLTAGE
(ft) (m) (mmHg) (V)
0
J
2000
0
J
610
760
J
707
1.20 – 2.30
2001
J
5000
611
J
1524
Under 707
over 634
1.09 – 2.17
5001
J
8000
1525
J
2438
Under 634
over 567
0.99 – 2.00
8001
J
10000
2439
J
3048
Under 567
over 526
0.93 – 1.85