HAC-3
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B27A2, B27A3, B27A4, B27A5 AIR MIX
DOOR MOTOR .................................................
110
DTC Logic .............................................................
110
Diagnosis Procedure .............................................
110
Component Inspection ..........................................
111
B27A6, B27A7, B27A8, B27A9 MODE DOOR
MOTOR .............................................................
113
DTC Logic .............................................................
113
Diagnosis Procedure .............................................
113
Component Inspection ..........................................
114
B27B1, B27B2, B27B3, B27BB ELECTRIC
COMPRESSOR ................................................
116
DTC Logic .............................................................
116
Diagnosis Procedure .............................................
116
B27B4 ELECTRIC COMPRESSOR .................
119
DTC Logic .............................................................
119
Diagnosis Procedure .............................................
119
B27B5, 27B6, B27B7, B27BA, B27BE ELEC-
TRIC COMPRESSOR .......................................
121
DTC Logic .............................................................
121
Diagnosis Procedure .............................................
121
B27B8 ELECTRIC COMPRESSOR .................
122
DTC Logic .............................................................
122
Diagnosis Procedure .............................................
122
B27B9 ELECTRIC COMPRESSOR .................
124
DTC Logic .............................................................
124
Diagnosis Procedure .............................................
124
B27BC ELECTRIC COMPRESSOR ................
125
DTC Logic .............................................................
125
Diagnosis Procedure .............................................
125
B27BF ELECTRIC COMPRESSOR .................
129
DTC Logic .............................................................
129
Diagnosis Procedure .............................................
129
Component Inspection ..........................................
131
B27C0 ELECTRIC COMPRESSOR .................
133
DTC Logic .............................................................
133
Diagnosis Procedure .............................................
133
B27CC, B27CD ELECTRIC COMPRESSOR ..
137
DTC Logic .............................................................
137
Diagnosis Procedure .............................................
137
B27CE ELECTRIC COMPRESSOR ................
138
DTC Logic .............................................................
138
Diagnosis Procedure .............................................
138
B27C1 HEAT PUMP CONTROL UNIT ............
139
DTC Logic .............................................................
139
Diagnosis Procedure .............................................
139
B27C2, B27C3 PTC HEATER OUTLET AIR
TEMPERATURE SENSOR ..............................
142
DTC Logic ..............................................................
142
Diagnosis Procedure .............................................
142
Component Inspection ...........................................
144
B27C4, B27C5 A/C UNIT CASE TEMPERA-
TURE SENSOR ...............................................
145
DTC Logic ..............................................................
145
Diagnosis Procedure .............................................
145
Component Inspection ...........................................
147
B27C6, B27C7 COMPRESSOR DISCHARGE
REFRIGERANT TEMPERATURE SENSOR ..
148
DTC Logic ..............................................................
148
Diagnosis Procedure .............................................
148
Component Inspection ...........................................
150
B27C8, B27C9 COMPRESSOR SUCTION
REFRIGERANT TEMPERATURE SENSOR ..
151
DTC Logic ..............................................................
151
Diagnosis Procedure .............................................
151
Component Inspection ...........................................
153
B27F0 REFRIGERANT CHANNEL SWITCH-
ING 2 WAY TYPE VALVE ...............................
154
DTC Logic ..............................................................
154
Diagnosis Procedure .............................................
154
Component Inspection ...........................................
156
B27F1 REFRIGERANT CHANNEL SWITCH-
ING 2 WAY TYPE VALVE ...............................
157
DTC Logic ..............................................................
157
Diagnosis Procedure .............................................
157
B27F2 REFRIGERANT CHANNEL SWITCH-
ING 2 WAY TYPE VALVE ...............................
160
DTC Logic ..............................................................
160
Diagnosis Procedure .............................................
160
B27F3 REFRIGERANT CHANNEL SWITCH-
ING 3 WAY TYPE VALVE ...............................
163
DTC Logic ..............................................................
163
Diagnosis Procedure .............................................
163
Component Inspection ...........................................
165
B27F4 REFRIGERANT CHANNEL SWITCH-
ING 3 WAY TYPE VALVE ...............................
166
DTC Logic ..............................................................
166
Diagnosis Procedure .............................................
166
B27F5 REFRIGERANT CHANNEL SWITCH-
ING 3 WAY TYPE VALVE ...............................
169
DTC Logic ..............................................................
169
Diagnosis Procedure .............................................
169
B27FF A/C AUTO AMP. .................................
172
DTC Logic ..............................................................
172
Diagnosis Procedure .............................................
172
POWER SUPPLY AND GROUND CIRCUIT ..
173
A/C AUTO AMP. ......................................................
173