Service Manual

SERVICE PARTS INFORMATION 6
Discharge Pressure Sensor
Suction Pressure Sensor
Check Point : Check Voltage from Main PCB
DC
With the connector connected to the PCB, measure the voltage between CN91:3-4
of the Main PCB.
1. Discharge Pressure Sensor
Characteristics of pressure sensor
4.5
735
0.5
0
Output [DCV]
Pressure [PSI]
DC
Check Point : Check Voltage from Main PCB
DC
With the connector connected to the PCB, measure the voltage between CN92:2-3
of the Main PCB.
2. Suction Pressure Sensor
Characteristics of pressure sensor
3.5
250
0.5
0
Output [DCV]
Pressure [PSI]
DC
02-73
11
3
3
WHITE
PRESSURE
SENSOR
(HIGH)
BLACK
22
RED
PS
11
33
WHITE
PRESSURE
SENSOR
(LOW)
BLACK
22
RED
PS
CN91
4
4
368
2.5
CN92
125
2.0