Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 47
H2 0 Case 2 Trouble
position/
cause
PCU SUB PWB trouble
Remedy (Check) Check the PCU
SUB PWB fusing
temperature sensor circuit.
(Repair) PCU SUB PWB
replacement / Power
Source-ON
(After-work)
Main
code
Sub
code
Title
Fusing main temperature sensor
(lower) (Thermistor) open / Fusing
unit not-installed (THS2)
H2 1 Phenomena Display Lamp
Message
Detail Fusing main temperature
sensor (lower) (Thermistor)
output line open (A voltage
of 4.6V or above is
detected.) / The fusing unit
is not installed.
Section Fusing
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
Fusing main temperature
sensor (lower) (Thermistor)
output line open trouble
Remedy (Check) Bad connection
between the fusing main
temperature sensor (lower)
(Thermistor) and the PCU
SUB PWB
(Repair) Check connection
of the fusing main
temperature sensor (lower)
(Thermistor) and the PCU
SUB PWB. / Power Source-
ON
(After-work) Repair or
replace the harness and
connector between the
fusing main temperature
sensor (lower) (Thermistor)
and the PCU SUB PWB.
Case 2 Trouble
position/
cause
PCU SUB PWB trouble
Remedy (Check) Check the PCU
SUB PWB fusing
temperature sensor circuit.
(Repair) PCU SUB PWB
replacement / Power
Source-ON
(After-work)
Main
code
Sub
code
Title
Fusing main temperature sensor
(upper) (Thermistor) open / Fusing
unit not-installed (THS1)
Main
code
Sub
code
Title
Fusing sub temperature sensor
(upper) (Thermistor) open / Fusing
unit not-installed (THS3)
H2 2 Phenomena Display Lamp
Message
Detail Fusing sub temperature
sensor (upper) (Thermistor)
output line open (A voltage
of 4.6V or above is
detected.) / The fusing unit
is not installed.
Section Fusing
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
Fusing sub temperature
sensor (upper) (Thermistor)
output line open trouble
Remedy (Check) Bad connection
between the fusing sub
temperature sensor (upper)
(Thermistor) and the PCU
SUB PWB
(Repair) Check connection
of the fusing sub
temperature sensor (upper)
(Thermistor) and the PCU
SUB PWB. / Power Source-
ON
(After-work) Repair or
replace the harness and
connector between the
fusing sub temperature
sensor (upper) (Thermistor)
and the PCU SUB PWB.
Case 2 Trouble
position/
cause
PCU SUB PWB trouble
Remedy (Check) Check the PCU
SUB PWB fusing
temperature sensor circuit.
(Repair) PCU SUB PWB
replacement / Power
Source-ON
(After-work)
Main
code
Sub
code
Title
Fusing sub temperature sensor
(lower) (Thermistor) open / Fusing
unit not-installed (THS4)
H2 3 Phenomena Display Lamp
Message
Detail Fusing main temperature
sensor (lower) (Thermistor)
output line open (A voltage
of 4.6V or above is
detected.) / The fusing unit
is not installed.
Section Fusing
Operation
mode
All modes
Note