Mitsubishi Evolution X. Manual — part 1289
AUTO A/C DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55-107
In/out air c/o SW light
90
−
Displays the status of the
inside air/outside air
changeover switch indicator.
A/C Compressor drive flag
91
−
ON when the compressor is
activated.
Wiper operation flag
92
−
ON when the wiper is
operated.
Ignition position information
93
−
Ignition switch position
status
Power source voltage
94
−
Displays power supply
voltage.
IOD fuse equipment flag
95
−
IOD fuse status
A/T lock up open request
96
−
Displays A/T lock open
request signal.
System operation time
100
−
−
Compressor use times
101
−
−
Rear defogger use times
102
−
−
In/out air c/o poten drive time
103
−
−
Air outlet c/o poten drive time
104
−
−
Air mix potentiometer drive
time
105
−
−
Hot state time (Interior TEMP.) 106
−
−
Cold state time (Interior
TEMP.)
107
−
−
Hot state time (Ambient
TEMP.)
108
−
−
Cold state time (Ambient
TEMP.)
109
−
−
Maximum ambient
temperature
110
−
−
Minimum ambient temperature 111
−
−
Maximum Engine coolant
TEMP.
112
−
−
Engine high speed time
113
−
−
Maximum Engine speed
114
−
−
High pressure drive time
115
−
−
High pressure cut times
116
−
−
Maximum pressure (kPa)
117
−
−
A/C use rate
118
−
−
Compressor operation rate
119
−
−
Eco operation rate
120
−
−
Scan tool display
Item
No.
Inspection status
The display content under
normal condition
AUTO A/C DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55-108
NOTE:
*
shows that it is displayed but not used.
Recirc use rate
121
−
−
A/C operation times
122
−
−
In/out air c/o operation times
123
−
−
Mode dial operation times
124
−
−
Blower fan dial operation
times
125
−
−
TEMP. set dial operation times 126
−
−
FACE mode use rate
127
−
−
B/L mode use rate
128
−
−
FOOT mode use rate
129
−
−
D/F mode use rate
130
−
−
DEF mode use rate
131
−
−
Fan OFF use rate
132
−
−
Fan 1-2step use rate
133
−
−
Fan 3-4step use rate
134
−
−
Fan 5-6step use rate
135
−
−
Fan 7-8step use rate
136
−
−
Temp 1-7 step use rate
137
−
−
Temp 8-10step use rate
138
−
−
Temp 11-13 step use rate
139
−
−
Temp 17-19step use rate
140
−
−
Temp 20-22step use rate
141
−
−
Temp 23-29step use rate
142
−
−
PTC heater1 use times
143
−
−
PTC heater2 use times
144
−
−
PTC heater3 use times
145
−
−
Fan LO driving time
146
−
−
Fan M1 driving time
147
−
−
Fan M2 driving time
148
−
−
Fan HI driving time
149
−
−
Rear PTC heater counter
150
−
−
Scan tool display
Item
No.
Inspection status
The display content under
normal condition
AUTO A/C DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55-109
ACTUATOR TEST
M1554005200780
CHECK AT A/C-ECU TERMINAL
M1552010301519
Item No.
Check item
Driven content
2
idle up request
Idle-up request signal
5
In/out select damper
The moving position of outside/inside air
selection damper motor
6
Air mix damper motor
The moving position of air mix damper
motor
7
Front blower fan
The amount of blower motor rotation
8
Air outlet c/o damper
Air outlet changeover damper motor
moving position
10
Condenser fan
The amount of condenser fan rotation
11
Air conditioning switch
A/C switch selection position
12
Rear defogger switch
Rear window defogger switch selection
position
13
A/T lock up open request
A/T lock open request signal
8
2
1
5
3 4
6 7
9 10
20
19
18
17
16
15
14
13
12
11
32
24
29
21
31
30
2223
27
35
33
25
34
26
36
28
AC210339
C-22
C-20
AG
Terminal
No.
Check item
Check condition
Normal condition
1
Power transistor (DRAIN)
Air volume control dial: Maximum air
volume
0 to 2 V
2
Power transistor (GATE)
Air volume control dial: Maximum air
volume
Battery voltage
3
− 8
−
−
−
9
A/C control panel (input)
−
−
10
A/C control panel (input)
−
−
11, 12
−
−
−
13
Battery power supply
Always
Battery voltage
14
Ground
Always
0 V
15
IG1 power supply
Ignition switch: IG1
Battery voltage
16
A/C pressure sensor input
.
17
Interior temperature sensor
Sensor probe temperature: 25
° C
(77
° F) (4.0 kΩ)
2.1 to 2.7 V
18
−
−
−
19
Sensor ground
Always
0 V
AUTO A/C DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55-110
20
A/C pressure sensor power
supply
Ignition switch: IG2
5 V
21
Air thermo sensor ground
Always
0 V
22
Air thermo sensor
Sensor probe temperature: 25
° C
(77
° F) (4.0 kΩ)
2.1 to 2.7 V
23
−
−
−
24
Motor for air outside/inside
air circulation switching
damper
−
−
25
Motor for air outside/inside
air circulation switching
damper
−
−
26
Motor for air outside/inside
air circulation switching
damper
−
−
27
Motor for air outside/inside
air circulation switching
damper
−
−
28
Air mix damper motor
−
−
29
Motor power supply
−
−
30
Air outlet changeover
damper motor
−
−
31
Air outlet changeover
damper motor
−
−
32
Air outlet changeover
damper motor
−
−
33
Air outlet changeover
damper motor
−
−
34
Air mix damper motor
−
−
35
Air mix damper motor
−
−
36
Air mix damper motor
−
−
Terminal
No.
Check item
Check condition
Normal condition
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