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Si20-701_B
Troubleshooting by Remote Controller
170
Note:
∗
1. Make a comparison between the voltage of the
pressure sensor and that read by the pressure
gauge.
(As to the voltage of the pressure sensor, make
measurement of voltage at the connector, and then
convert it to pressure.
)
∗
2. Make measurement of voltage of the pressure
sensor.
Refer to P.470.
Refer to P.485.
CHECK 7
+5V
(4)
(3)
(2)
(1)
Connector for low pressure sensor
Micro-computer
A/D input
Make measurement of DC voltage
between these wires.
(Blue)
Red
Black
White
Low
pressure
sensor
CHECK 7
CHECK 15