Item No.
|
Check items
|
Inspection status
|
The display contents under normal conditions
|
01
|
Inside temperature sensor
|
-
|
Interior temperature is the same as M.U.T.-III displayed temperature
|
02
|
Outside temperature sensor
|
-
|
Ambient temperature is the same as M.U.T.-III displayed temperature
|
03
|
Air thermo sensor
|
-
|
Evaporator outlet temperature is the same as M.U.T.-III displayed temperature
|
04
|
Pressure sensor
|
-
|
Refrigerant pressure is the same as M.U.T.-III displayed pressure.
|
05
|
heater water temperature sensor
|
-
|
The coolant temperature is the same as M.U.T.-III displayed temperature
|
06
|
Photo sensor
|
-
|
The amount of solar radiation is indirectly proportional to M.U.T.-III displayed voltage
|
10
|
F. Air mix potentiometer
|
Front air mix damper position : MAX HOT
|
Approximately 100%
|
Front air mix damper position : MAX COOL
|
Approximately 0%
|
11
|
F. Air mix potentiometer (Target)
|
-
|
Display the target value for air mix damper
|
12
|
R. Air mix potentiometer <Vehicles with Dual automatic A/C>
|
Rear air mix damper position : MAX HOT
|
Approximately 100%
|
Rear air mix damper position : MAX COOL
|
Approximately 0%
|
13
|
R. Air mix potentiometer (Target) <Vehicles with Dual automatic A/C>
|
-
|
Display the target value for air mix damper
|
14
|
F. Air outlet c/o potentiometer
|
Air outlet changeover damper position: FACE
|
Opening angle: approximately 100%
|
Air outlet changeover damper position: DEF
|
Opening angle: approximately 0%
|
15
|
F. Air outlet c/o potentiometer (Target)
|
-
|
Display the target value for air mix damper
|
16
|
In/out air damper motor
|
Outside/inside air selection switch: ON
|
Inside air
|
Outside/inside air selection switch: OFF
|
Outside air
|
20
|
Front blower fan
|
Air volume control dial: Other than OFF
|
Display the rotation speed of front blower motor
|
21
|
Front blower fan (Target)
|
Air volume control dial: Other than OFF <Vehicles with multi-centre display>
|
Display the target rotation speed of front blower motor
|
22
|
Rear blower fan <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Rear fan switch: ON
|
Display the rotation speed of rear blower motor
|
Rear air volume adjusting switch : Other than OFF
|
23
|
Rear blower fan (Target) <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Rear fan switch: ON
|
Display the target rotation speed of rear blower motor
|
Rear air volume adjusting switch : Other than OFF
|
30
|
Air conditioning switch
|
Compressor ON
|
ON
|
Compressor OFF
|
OFF
|
31
|
Rear fan SW (Front) <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Rear fan switch: ON
|
ON
|
Rear fan switch: OFF
|
OFF
|
32
|
Rear control OFF switch <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Rear air volume adjusting switch : OFF
|
OFF controlled
|
Rear air volume adjusting switch : Other than OFF
|
ON controlled
|
33
|
Rear control fan OFF switch<Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Rear air volume adjusting switch : AUTO
|
AUTO
|
Rear air volume adjusting switch : 1
|
Lo
|
Rear air volume adjusting switch : 2
|
Me
|
Rear air volume adjusting switch : 3
|
Hi
|
34
|
Rear defogger switch
|
Rear window defogger switch : ON
|
ON
|
Rear window defogger switch : OFF
|
OFF
|
35
|
PTC heater switch <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Heater switch ON
|
ON
|
Heater switch OFF
|
OFF
|
36
|
Rear fan SW lamp (Front) <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Rear fan switch: ON
|
ON
|
Rear fan switch: OFF
|
OFF
|
37
|
Rear control OFF SW lamp (Front) <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Rear fan switch: ON
|
ON
|
38
|
Rear control OFF SW lamp <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
Rear air volume adjusting switch : OFF
|
ALL OFF
|
Rear air volume adjusting switch : AUTO
|
AUTO
|
Rear air volume adjusting switch : 1
|
Lo
|
Rear air volume adjusting switch : 2
|
Me
|
Rear air volume adjusting switch : 3
|
Hi
|
-
|
ALL ON
|
39
|
PTC heater lamp <Vehicles with rear heater or dual automatic A/C>
|
Heater switch ON
|
ON
|
Heater switch OFF
|
OFF
|
40
|
Illuminations power supply
|
Lighting switch: ON
|
ON
|
Lighting switch: OFF
|
OFF
|
41
|
PTC heater relay <Vehicles with rear heater or dual automatic A/C>
|
PTC heater relay: ON
|
ON
|
PTC heater relay: OFF
|
OFF
|
50
|
Front Temperature setting
|
-
|
Display the temperature control dial position (18.0 - 32.0°C)
|
51
|
Rear Temperature setting <Vehicles with rear heater , rear cooler or dual automatic A/C>
|
-
|
Display the rear temperature control lever position (20.0 - 30.0°C)
|
55
|
Refrigerant leak
|
Normal refrigerant level
|
NORMAL
|
Checking refrigerant level
|
Checking
|
Defective refrigerant level
|
Fail
|
56
|
Low pressure
|
Normal refrigerant pressure
|
NORMAL
|
Checking refrigerant pressure
|
Checking
|
Defective refrigerant pressure
|
Fail
|