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VENTILATION, HEATER & AIR CONDITIONER
A
HEATER & AIR CONDITIONING CONTROL SYSTEM
SECTION HAC B
C
D
E
CONTENTS
AUTOMATIC AIR CONDITIONER COMMON ITEM ........................................................34
. F
COMMON ITEM : CONSULT-III Function (BCM -
BASIC INSPECTION ................................... 6
. COMMON ITEM) ....................................................34
.
G
DIAGNOSIS AND REPAIR WORK FLOW ........ 6
. AIR CONDITIONER ..................................................34
.
Work Flow ................................................................ 6
. AIR CONDITIONER : CONSULT-III Function
(BCM - AUTO AIR CONDITIONER) .......................35 .
INSPECTION ...................................................... 9
. H
Description & Inspection .......................................... 9
. DTC/CIRCUIT DIAGNOSIS ........................ 36
.
AUXILIARY MECHANISM ................................11
. AMBIENT SENSOR .......................................... 36
HAC
Temperature Setting Trimmer ................................ 11
. Description ..............................................................36
.
Inlet Port Memory Function .................................... 12
. Diagnosis Procedure ..............................................36 .
Component Inspection ............................................37 .
SYSTEM DESCRIPTION ............................ 13
. J
IN-VEHICLE SENSOR ...................................... 39
COMPRESSOR CONTROL FUNCTION ...........13
. Description ..............................................................39
.
Description ............................................................. 13
. Diagnosis Procedure ..............................................39 .
Component Parts Location ..................................... 14 . K
Component Inspection ............................................40 .
Component Description .......................................... 14 .
INTAKE SENSOR ............................................. 42
AUTOMATIC AIR CONDITIONER SYSTEM ....16 Description ..............................................................42
. L
System Diagram ..................................................... 16
. Diagnosis Procedure ..............................................42 .
System Description ................................................ 16
. Component Inspection ............................................43 .
Component Parts Location ..................................... 25
.
M
Component Description .......................................... 25
. SUNLOAD SENSOR ......................................... 44
Description ..............................................................44
.
DIAGNOSIS SYSTEM (A/C AUTO AMP.) ........27
. Diagnosis Procedure ..............................................44 .
Diagnosis Description ............................................ 27
. Component Inspection ............................................45 . N
DIAGNOSIS SYSTEM (BCM) (WITH INTELLI- AIR MIX DOOR MOTOR ................................... 47
GENT KEY SYSTEM) ........................................31
. Description ..............................................................47
.
O
Diagnosis Procedure ..............................................47 .
COMMON ITEM ........................................................ 31
.
Component Inspection ............................................48 .
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .................................................... 31
. MODE DOOR MOTOR ...................................... 50 P
Description ..............................................................50
.
AIR CONDITIONER .................................................. 32
.
Diagnosis Procedure ..............................................50 .
AIR CONDITIONER : CONSULT-III Function
Component Inspection ............................................51 .
(BCM - AUTO AIR CONDITIONER) ...................... 32 .
INTAKE DOOR MOTOR ................................... 53
DIAGNOSIS SYSTEM (BCM) (WITHOUT IN-
Description ..............................................................53
.
TELLIGENT KEY SYSTEM) ..............................34
. Diagnosis Procedure ..............................................53 .
Revision: 2009 March HAC-1 2009 Z12
Component Inspection ........................................... 56
. BCM (BODY CONTROL SYSTEM) (WITH INTEL-
LIGENT KEY SYSTEM) : DTC Index .................. 111
.
BLOWER MOTOR ............................................ 57
.
Description ............................................................. 57
. BCM (BODY CONTROL SYSTEM) (WITHOUT IN-
Component Function Check .................................. 57 . TELLIGENT KEY SYSTEM) ................................... 113 .
Diagnosis Procedure ............................................. 57 . BCM (BODY CONTROL SYSTEM) (WITHOUT
Component Inspection ........................................... 60 . INTELLIGENT KEY SYSTEM) : Reference Value. 113
BCM (BODY CONTROL SYSTEM) (WITHOUT
MAGNET CLUTCH ........................................... 62
. INTELLIGENT KEY SYSTEM) : Wiring Diagram -
Description ............................................................. 62
. BCM - ................................................................... 128
.
Component Function Check .................................. 62 . BCM (BODY CONTROL SYSTEM) (WITHOUT
Diagnosis Procedure ............................................. 62 . INTELLIGENT KEY SYSTEM) : Fail-safe ............ 132 .
BCM (BODY CONTROL SYSTEM) (WITHOUT
A/C ON SIGNAL ............................................... 63
. INTELLIGENT KEY SYSTEM) : DTC Index ........ 133 .
Component Function Check .................................. 63.
Diagnosis Procedure ............................................. 63
. SYMPTOM DIAGNOSIS ........................... 135
BLOWER FAN ON SIGNAL ............................. 65
. AUTOMATIC AIR CONDITIONER SYSTEM .. 135
Component Function Check .................................. 65. Diagnosis Chart By Symptom .............................. 135
.
Diagnosis Procedure ............................................. 65
.
INSUFFICIENT COOLING ............................... 136
.
POWER SUPPLY AND GROUND CIRCUIT .... 67
. Description ........................................................... 136
.
A/C AUTO AMP. ...................................................... 67
. Diagnosis Procedure ............................................ 136 .
A/C AUTO AMP. : Diagnosis Procedure ............... 67 . INSUFFICIENT HEATING ............................... 138
.
BCM (BODY CONTROL SYSTEM) (WITH INTEL- Description ........................................................... 138
.
LIGENT KEY SYSTEM) ........................................... 68
. Diagnosis Procedure ............................................ 138 .
BCM (BODY CONTROL SYSTEM) (WITH INTEL- COMPRESSOR DOSE DOT OPERATE ......... 139
.
LIGENT KEY SYSTEM) : Diagnosis Procedure .... 68 .
Description ........................................................... 139
.
BCM (BODY CONTROL SYSTEM) (WITHOUT IN- Diagnosis Procedure ............................................ 139 .
TELLIGENT KEY SYSTEM) .................................... 69 .
MEMORY FUNCTION DOES NOT OPERATE.. 141
BCM (BODY CONTROL SYSTEM) (WITHOUT
Description ........................................................... 141
.
INTELLIGENT KEY SYSTEM) : Diagnosis Proce-
Inspection Procedure ........................................... 141 .
dure ....................................................................... 69
.
A/C AUTO AMP. ............................................... 71
. PRECAUTION ........................................... 142
Description ............................................................. 71
. PRECAUTIONS ............................................... 142
.
Component Function Check .................................. 71 . Precaution for Supplemental Restraint System
Diagnosis Procedure ............................................. 71 . (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. 142
.
ECU DIAGNOSIS INFORMATION ............. 72
.
Precaution Necessary for Steering Wheel Rota-
A/C AUTO AMP. ............................................... 72
. tion after Battery Disconnect ................................ 142 .
Reference Value .................................................... 72
.
Wiring Diagram - AIR CONDITIONER CONTROL
REMOVAL AND INSTALLATION ............. 144
SYSTEM - .............................................................. 75
. A/C CONTROL (A/C AUTO AMP.) ................. 144
.
BCM (BODY CONTROL MODULE) ................. 82
. Exploded View ..................................................... 144
.
Removal and Installation ...................................... 144
.
BCM (BODY CONTROL SYSTEM) (WITH INTEL-
LIGENT KEY SYSTEM) ........................................... 82
. AMBIENT SENSOR ......................................... 145
.
BCM (BODY CONTROL SYSTEM) (WITH INTEL- Exploded View ..................................................... 145
.
LIGENT KEY SYSTEM) : Reference Value ........... 82 . Removal and Installation ...................................... 145
.
BCM (BODY CONTROL SYSTEM) (WITH INTEL- IN-VEHICLE SENSOR ..................................... 146
.
LIGENT KEY SYSTEM) : Wiring Diagram - BCM - 103 ..
Exploded View ..................................................... 146
.
BCM (BODY CONTROL SYSTEM) (WITH INTEL-
Removal and Installation ...................................... 146
.
LIGENT KEY SYSTEM) : Fail-safe .......................107.
BCM (BODY CONTROL SYSTEM) (WITH INTEL- SUNLOAD SENSOR ....................................... 147
.
LIGENT KEY SYSTEM) : Exploded View ..................................................... 147
.
DTC Inspection Priority Chart ............................109
. Removal and Installation ......................................
Revision: 2009 March HAC-2 2009 Z12
INTAKE SENSOR ........................................... 148
. INTAKE DOOR MOTOR ................................. 171
Exploded View ..................................................... 148
. Description ............................................................ 171
. A
Removal and Installation ...................................... 148
. Diagnosis Procedure ............................................ 171 .
Component Inspection .......................................... 172 .
REFRIGERANT PRESSURE SENSOR .......... 149
.
B
Exploded View ..................................................... 149
. THERMO CONTROL AMPLIFIER .................. 173
Removal and Installation ...................................... 149
. Description ............................................................ 173
.
Component Function Check ................................. 173 .
POWER TRANSISTOR ................................... 151
. Diagnosis Procedure ............................................ 173 . C
Exploded View ..................................................... 151
.
Removal and Installation ...................................... 151
. BLOWER MOTOR .......................................... 176
Description ............................................................ 176
. D
DOOR MOTOR ................................................ 152
. Diagnosis Procedure ............................................ 176 .
Exploded View ..................................................... 152
. Component Inspection .......................................... 178 .
INTAKE DOOR MOTOR ......................................... 153 . MAGNET CLUTCH ......................................... 180 E
INTAKE DOOR MOTOR : Removal and Installa- Description ............................................................ 180
.
tion ....................................................................... 153
. Component Function Check ................................. 180 .
MODE DOOR MOTOR ........................................... 153
. Diagnosis Procedure ............................................ 180 . F
MODE DOOR MOTOR : Removal and Installation 154 .. A/C SWITCH ................................................... 181
AIR MIX DOOR MOTOR ........................................ 154 . Description ............................................................ 181
.
AIR MIX DOOR MOTOR : Removal and Installa- Component Function Check ................................. 181 . G
tion ....................................................................... 154
. Diagnosis Procedure ............................................ 181 .
MANUAL AIR CONDITIONER DEFROSTER POSITION SIGNAL .................. 183 H
Description ............................................................ 183
.
BASIC INSPECTION ................................ 155
.
Component Function Check ................................. 183 .
DIAGNOSIS AND REPAIR WORKFLOW ...... 155
. Diagnosis Procedure ............................................ 183 .
HAC
Work Flow ............................................................ 155
.
A/C INDICATOR .............................................. 185
INSPECTION ................................................... 157
. Component Function Check ................................. 185.
Description & Inspection ...................................... 157
. Diagnosis Procedure ............................................ 185
. J
SYSTEM DESCRIPTION .......................... 159
. BLOWER FAN ON SIGNAL ........................... 187
Component Function Check ................................. 187.
COMPRESSOR CONTROL FUNCTION ......... 159
. Diagnosis Procedure ............................................ 187
. K
Description ........................................................... 159
.
Component Part Location .................................... 160 . MANUAL AIR CONDITIONER SYSTEM ........ 189
Component Description ........................................ 160 . Wiring Diagram -- AIR CONDITIONER CON- L
TROL SYSTEM -- ................................................ 189
.
MANUAL AIR CONDITIONER SYSTEM ........ 162
.
System Diagram ................................................... 162
. ECU DIAGNOSIS INFORMATION ........... 193
.
System Description .............................................. 162
. M
BCM (BODY CONTROL MODULE) ............... 193
Component Part Location .................................... 166.
Reference Value ................................................... 193 .
Component Description ........................................ 166
.
Wiring Diagram - BCM - ....................................... 208 .
N
DIAGNOSIS SYSTEM (BCM) ......................... 168
. Fail-safe ................................................................ 211
.
DTC Index ............................................................ 212
.
COMMON ITEM ...................................................... 168
.
COMMON ITEM : CONSULT-III Function (BCM - SYMPTOM DIAGNOSIS ........................... 214
. O
COMMON ITEM) .................................................. 168
.
MANUAL AIR CONDITIONER SYSTEM ........ 214
AIR CONDITIONER ................................................ 168
. Diagnosis Chart By Symptom ............................... 214
.
P
AIR CONDITIONER : CONSULT-III Function ...... 169 .
INSUFFICIENT COOLING .............................. 216
DTC/CIRCUIT DIAGNOSIS ...................... 170
. Description ............................................................ 216
.
Diagnosis Procedure ............................................ 216 .
POWER SUPPLY AND GROUND CIRCUIT ... 170
.
INSUFFICIENT HEATING ............................... 217
BCM ........................................................................ 170
. Description ............................................................ 217
.
BCM : Diagnosis Procedure ................................. 170 . Diagnosis Procedure ............................................ 217 .
Revision: 2009 March HAC-3 2009 Z12
COMPRESSOR DOSE DOT OPERATE ........ 218
. COMMON ITEM ...................................................... 239
.
Description ............................................................218
. COMMON ITEM : CONSULT-III Function (BCM -
Diagnosis Procedure ............................................218 . COMMON ITEM) ................................................. 239
.
PRECAUTION ........................................... 220
. AIR CONDITIONER ................................................ 239
.
AIR CONDITIONER : CONSULT-III Function ...... 240 .
PRECAUTIONS .............................................. 220
.
Precaution for Supplemental Restraint System DTC/CIRCUIT DIAGNOSIS ....................... 241
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................220
.
POWER SUPPLY AND GROUND CIRCUIT ... 241
.
Precaution Necessary for Steering Wheel Rota- BCM ........................................................................ 241
.
tion after Battery Disconnect ................................220 . BCM : Diagnosis Procedure ................................. 241 .
REMOVAL AND INSTALLATION ............. 222
. INTAKE DOOR MOTOR .................................. 242
.
Description ........................................................... 242
.
A/C CONTROL ............................................... 222
. Diagnosis Procedure ............................................ 242 .
Exploded View ......................................................222
.
Component Inspection ......................................... 243 .
Removal and Installation ......................................222.
BLOWER MOTOR ........................................... 244
.
THERMO CONTROL AMPLIFIER .................. 224
. Description ........................................................... 244
.
Exploded View ......................................................224
. Diagnosis Procedure ............................................ 244 .
Removal and Installation ......................................224. Component Inspection ......................................... 246 .
REFRIGERANT PRESSURE SENSOR ......... 225
. DEFROSTER POSITION SIGNAL .................. 248
.
Exploded View ......................................................225
. Description ........................................................... 248
.
Removal and Installation ......................................225. Component Function Check ................................ 248 .
BLOWER FAN RESISTOR ............................. 227
. Diagnosis Procedure ............................................ 248 .
Exploded View ......................................................227
. BLOWER FAN ON SIGNAL ............................ 250
.
Removal and Installation ......................................227. Component Function Check ................................ 250 .
INTAKE DOOR MOTOR ................................. 228
. Diagnosis Procedure ............................................ 250
.
Exploded View ......................................................228
. MANUAL HEATER SYSTEM .......................... 252
.
Removal and Installation ......................................228. Wiring Diagram -- HEATER CONTROL SYSTEM
DOOR CABLE ................................................ 229
. -- ......................................................................... 252
.
Exploded View ......................................................229
.
ECU DIAGNOSIS INFORMATION ............ 255
MODE DOOR CABLE .............................................230
.
MODE DOOR CABLE : Removal and Installation..230
BCM (BODY CONTROL MODULE) ................ 255
.
Reference Value .................................................. 255 .
AIR MIX DOOR CABLE ..........................................230
. Wiring Diagram - BCM - ....................................... 270 .
AIR MIX DOOR CABLE : Removal and Installation Fail-safe ............................................................... 273
.
..230 DTC Index ........................................................... 274
.
MANUAL HEATER
SYMPTOM DIAGNOSIS ........................... 276
BASIC INSPECTION ................................. 232
.
MANUAL HEATER SYSTEM .......................... 276
.
DIAGNOSIS AND REPAIR WORKFLOW ...... 232
. Diagnosis Chart By Symptom .............................. 276
.
Work Flow .............................................................232
.
INSUFFICIENT HEATING ............................... 277
.
INSPECTION .................................................. 234
. Description ........................................................... 277
.
Description & Inspection .......................................234
. Diagnosis Procedure ............................................ 277 .
SYSTEM DESCRIPTION .......................... 235
. PRECAUTION ........................................... 278
MANUAL HEATER SYSTEM ......................... 235
. PRECAUTIONS ............................................... 278
.
System Diagram ...................................................235
. Precaution for Supplemental Restraint System
System Description ...............................................235
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
Component Part Location .....................................238. SIONER" .............................................................. 278
.
Component Description ........................................238
. Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect ................................ 278 .
DIAGNOSIS SYSTEM (BCM) ......................... 239
.
Revision: 2009 March HAC-4 2009 Z12
REMOVAL AND INSTALLATION ............ 280
. Removal and Installation ...................................... 283
.
A
HEATER CONTROL ....................................... 280
. DOOR CABLE ................................................. 284
Exploded View ..................................................... 280
. Exploded View ...................................................... 284
.
Removal and Installation ...................................... 280
.
MODE DOOR CABLE ............................................. 285
. B
BLOWER FAN RESISTOR ............................. 282
. MODE DOOR CABLE : Removal and Installation.. 285
Exploded View ..................................................... 282
. AIR MIX DOOR CABLE .......................................... 285
.
Removal and Installation ...................................... 282
. AIR MIX DOOR CABLE : Removal and Installation C
INTAKE DOOR MOTOR ................................. 283
. .. 285
Exploded View ..................................................... 283
.
D
E
F
G
H
HAC
J
K
L
M
N
O
P
Revision: 2009 March HAC-5 2009 Z12
DIAGNOSIS AND REPAIR WORK FLOW
< BASIC INSPECTION > [AUTOMATIC AIR CONDITIONER]
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow INFOID:0000000004926427
OVERALL SEQUENCE
JPIIA1650GB
DETAILED FLOW
Revision: 2009 March HAC-6 2009 Z12
DIAGNOSIS AND REPAIR WORK FLOW
< BASIC INSPECTION > [AUTOMATIC AIR CONDITIONER]
1.INTERVIEW FOR MALFUNCTION A
Interview the symptom to the customer.
>> GO TO 2. B
2.SYMPTOM CHECK
Check the symptom from the customer's information.
C
>> GO TO 3.
3.BASIC INSPECTION D
Check the operation of each part. Check that any symptom occurs other than the interviewed symptom.
E
>> GO TO 4.
4.SELF-DIAGNOSIS WITH ON BOARD DIAGNOSIS SYSTEM
Perform the self-diagnosis with on board diagnosis. Check that whether malfunction result is detected or not. F
Refer to HAC-27, "Diagnosis Description".
Is any malfunction result detected?
YES >> GO TO 5. G
NO >> GO TO 6.
5.TROUBLE DIAGNOSIS BY MALFUNCTION H
Perform the trouble diagnosis for the detected malfunction result. Specify the malfunction part.
>> GO TO 6. HAC
6.SELF-DIAGNOSIS WITH CONSULT-III
Perform the self-diagnosis with CONSULT-III. Check that any DTC is detected.
J
Is any DTC detected?
YES >> GO TO 7.
NO >> GO TO 8.
K
7.TROUBLE DIAGNOSIS BY DTC
Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part.
L
>> GO TO 8.
8.SYMPTOM DIAGNOSIS M
Perform the symptom diagnosis. Specify the malfunctioning part.
>> GO TO 9. N
9.MALFUNCTION PART REPAIR
Repair or replace the malfunctioning part. O
>> GO TO 10.
10.REPAIR CHECK (SELF-DIAGNOSIS WITH ON BOARD DIAGNOSIS AND CONSULT-III) P
Perform the self-diagnoses with on board diagnosis and CONSULT-III. Check that any DTC or malfunction
result is not detected. Erase DTC if DTC is detected before the repair. Check that DTC is not detected again.
Is any or malfunction result or DTC detected?
YES-1 >> If malfunction result is detected, GO TO 5.
YES-2 >> If DTC is detected, GO TO 7.
NO >> GO TO 11.
Revision: 2009 March HAC-7 2009 Z12
DIAGNOSIS AND REPAIR WORK FLOW
< BASIC INSPECTION > [AUTOMATIC AIR CONDITIONER]
11.REPAIR CHECK (OPERATION CHECK)
Check the operation of each part.
Does it operate normally?
YES >> INSPECTION END
NO >> GO TO 3.
Revision: 2009 March HAC-8 2009 Z12
INSPECTION
< BASIC INSPECTION > [AUTOMATIC AIR CONDITIONER]
INSPECTION
A
Description & Inspection INFOID:0000000004926428
DESCRIPTION B
The purpose of the operational check is to check that the individual system operates normally.
Check condition : Engine running at normal operating temperature. C
1.CHECK MEMORY FUNCTION
1. Start the engine. D
2. Set the temperature to 32◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo