SiUS371901EB
Check
Part 6 Service Diagnosis
432
4.9 Pressure Sensor Check
Voltage Measurement Point of the High Pressure Sensor
Voltage Measurement Point of the Low Pressure Sensor
CHECK 12
High Pressure (P
H
)
Low Pressure (P
L
)
Output Voltage V
H
, V
L
Detected Pressure
5.1
–5.1
0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–0.5
0
0.5
1
1.5
2
2.5
3
3.5
4
(VDC)
(kg/cm
2
)
(psi)
(MPa)
P
H
, P
L
P
H
(MPa) = × V
H
– × 0.5
P
L
(MPa) = × V
L
– × 0.5
P
H
: High pressure (MPa)
P
L
: Low pressure (MPa)
V
H
: Output Voltage (High Side) (VDC)
V
L
: Output Voltage (Low Side) (VDC)
4.15
3.0
4.15
3.0
1.7
3.0
1.7
3.0
1 MPa = 145 psi
40.8
35.7
30.6
25.5
20.4
15.3
10.2
45.9
51.0
–72.5
725
653
580
508
435
363
290
218
145
72.5
0
+5
V
(4)
(3)
(2)
(1)
Red
Black
W
hite
X32A
High
press
u
re
sensor
Microcomp
u
ter
A/D inp
u
t
Make meas
u
rement of DC
v
oltage
b
et
w
een these
w
ires.
+5 V
(4)
(3)
(2)
(1)
Microcomputer
A/D input
Make measurement of DC voltage between these wires.
X31A
Red
Black
White
Low
pressure
sensor
Summary of Contents for REYQ72-432XAYCU
Page 455: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 448 REYQ144 168XATJU REYQ144 168XATJA 2D119206B ...
Page 457: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 450 REYQ144 168XAYDU REYQ144 168XAYDA 2D119208C ...
Page 461: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 454 FXZQ05 07 09 12 15 18TAVJU 3D110443A ...
Page 463: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 456 FXEQ07 09 12 15 18 24PVJU 3D098557A ...
Page 464: ...Wiring Diagrams SiUS371901EB 457 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C ...
Page 468: ...Wiring Diagrams SiUS371901EB 461 Part 7 Appendix FXHQ12 24 36MVJU 3D048116C ...
Page 469: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 462 FXAQ07 09 12 18 24PVJU 3D075354F ...
Page 475: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 468 VAM1200GVJU 3D073270D ...
Page 478: ...Wiring Diagrams SiUS371901EB 471 Part 7 Appendix BS6 8Q54TVJ 2D089122B ...
Page 479: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 472 BS10 12Q54TVJ 2D089121B ...
Page 481: ...SiUS371901EB Wiring Diagrams Part 7 Appendix 474 BSF6 8Q54TVJ 2D123905A ...