57
Diagnostics
2) R-Room Temp Sensor trouble
3) R-Room Defrost Sensor trouble
NO (0.5V>Measured value)
NO (0.5V>Measured value)
ERROR INDICATION
ERROR INDICATION
NO
NO
NO
Change Temp Sensor
Is R-Room
Temp Sensor
normal?
Is the
insertion of MAIN
PCB connector(CN30)
normal?
Is both trminal Voltage of
MAIN PCB
�~�
(BLUE-BROWN)
normal?
Is MICOM
Pin#51 input voltage
normal? (Identical Voltage
�~�
of CN30)
Start
YES
Connector contact trouble
/ re-insertion
Reconfirm electric wire
connect section
YES
Check soldering fault,short,
Lead Touch
YES
Change MAIN PCB
YES
Refer to Temp detechion circuit
sensor of the circuit explanation.
Refer to Temp detection circuit
sensor of the circuit explanation.
NO
NO
NO
Change Defrost Sensor
Is R-Room Defrost
Sensor normal?
Is MAIN PCB (CN30)
insertion normal?
Is both trminal
Voltage of MAIN PCB Connector CN30
�~�
(PURPLE-BROWN) normal?
Is MICOM
Pin#54 input voltage
normal? (Identical Voltage
�~�
of CN30)
Start
YES
Connector contact trouble
/ re-insertion
Reconfirm electric wire
connect section
YES
Check soldering fault,short,
Lead Touch
YES
Change MAIN PCB
YES