Thermistor.
Replace the pressure sensor.
High/Low Pressure Sensor.
Is pressure on the LGMV before
operation normal?
Start of check
Reconnect.
No failure of pressure sensor.
No
Check and
replace the PCB.
No
No
Yes
Yes
Are connector
position on the main/Sub PCB
and connection
normal?
Yes
Is voltage output of 5V normal?
Replace the
thermistor.
Is temperature on the LGMV
before operation normal?
Start of check
• Check connector position and
connection direction.
• Check any poor contact.
No failure of thermometer thermistor.
No
Check and
replace the PCB.
No
Yes
Yes
Is voltage output of 5V normal?