Service Manual

SiUS181631EA Pressure Sensor
Troubleshooting 269
9. Pressure Sensor
High Pressure (PH)
0
0 0.5 1 1.5 2 2.5 3 3.5 4
(VDC)
–5.1 –0.5
–0.5
(R19099)
PH, PL
MPa
51.0
45.9
40.8
35.7
30.6
25.5
20.4
15.3
10.2
5.1
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
(kgf/cm
2
)
–167
1673
1505
1338
1171
1004
836
669
502
335
167
0
(ftAq)
PH (MPa) = × VH – × 0.5
P
L (MPa) = × VL – × 0.5
1 MPa = 334.6 ftAq
P
H : High pressure
P
L : Low pressure
V
H : Output Voltage (High Side) (VDC)
V
L : Output Voltage (Low Side) (VDC)
Low Pressure (PL)
4.15
3.0
4.15
3.0
1.7
3.0
1.7
3.0
Output Voltage (VH, VL)
Detected Pressure