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HAC

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VENTILATION, HEATER & AIR CONDITIONER

HEATER & AIR CONDITIONING CONTROL SYSTEM
SECTION HAC B

E
CONTENTS
MANUAL AIR CONDITIONER AIR MIX DOOR MOTOR ................................... 24 F
Description ..............................................................24
.
BASIC INSPECTION ................................... 3
. Component Function Check .................................24 .
Diagnosis Procedure ..............................................24 . G
DIAGNOSIS AND REPAIR WORKFLOW ......... 3
.
Work Flow ................................................................ 3
. INTAKE DOOR MOTOR ................................... 26
Description ..............................................................26
.
INSPECTION AND ADJUSTMENT .................... 4
. Component Function Check .................................26 . H
Description & Inspection .......................................... 4
. Diagnosis Procedure ..............................................26 .
FUNCTION DIAGNOSIS .............................. 5
. BLOWER MOTOR ............................................ 28 HAC
Description ..............................................................28
.
COMPRESSOR CONTROL FUNCTION ............ 5
.
Component Function Check .................................28 .
Description ............................................................... 5
.
Diagnosis Procedure ..............................................28 .
Component Part Location ........................................ 5 . J
Component Inspection (Blower Motor) ...................31 .
Component Description ............................................ 7 .
Component Inspection (Fan Control Amp.) ............31 .
MANUAL AIR CONDITIONER SYSTEM ........... 9
.
MAGNET CLUTCH ........................................... 32 K
System Diagram ....................................................... 9
.
Description ..............................................................32
.
System Description .................................................. 9
.
Component Function Check ...................................32 .
Component Part Location ...................................... 15
.
Diagnosis Procedure ..............................................32 . L
Component Description .......................................... 17
.
INTAKE SENSOR ............................................. 36
DIAGNOSIS SYSTEM (BCM) ...........................19
.
Description ..............................................................36
.
COMMON ITEM ........................................................ 19
. Diagnosis Procedure ..............................................36 . M
COMMON ITEM : CONSULT-III Function (BCM - Component Inspection ............................................37 .
COMMON ITEM) .................................................... 19
.
POWER SUPPLY AND GROUND CIRCUIT
N
AIR CONDITIONER .................................................. 19
. FOR A/C AMP. .................................................. 38
AIR CONDITIONER : CONSULT-III Function ........ 20 . Description ..............................................................38
.
Component Function Check ...................................38 .
MAGNET CLUTCH CONTROL SYSTEM .........21
. Diagnosis Procedure ..............................................38 . O
System Diagram ..................................................... 21
.
System Description ................................................ 21
. ECU DIAGNOSIS ........................................ 40
.
P
COMPONENT DIAGNOSIS ........................ 22
. BCM (BODY CONTROL MODULE) ................. 40
Reference Value .....................................................40
.
MODE DOOR MOTOR ......................................22
.
Description ............................................................. 22
. A/C AMP. ........................................................... 55
Component Function Check ................................. 22 . Reference Value .....................................................55
.
Diagnosis Procedure .............................................. 22. Wiring Diagram -- AIR CONDITIONER CON-
TROL SYSTEM -- ..................................................57
.

Revision: 2008 January HAC-1 2008 Rogue
SYMPTOM DIAGNOSIS ............................ 63
. FOR USA AND CANADA : Precautions For Xenon
Headlamp Service .................................................. 70 .
MANUAL AIR CONDITIONER SYSTEM .......... 63
. FOR USA AND CANADA : Working with HFC-
Diagnosis Chart By Symptom ................................ 63
. 134a (R-134a) ........................................................ 70 .
FOR USA AND CANADA : General Refrigerant
INSUFFICIENT COOLING ................................ 64
. Precaution .............................................................. 71
.
Description ............................................................. 64
. FOR USA AND CANADA : Refrigerant Connec-
Inspection procedure ............................................. 64 . tion ......................................................................... 71
.
INSUFFICIENT HEATING ................................ 65
. FOR USA AND CANADA : Service Equipment ..... 73 .
Description ............................................................. 65
. FOR MEXICO ........................................................... 75.
Inspection procedure ............................................. 65 . FOR MEXICO : Precaution for Supplemental Re-
straint System (SRS) "AIR BAG" and "SEAT BELT
NOISE ............................................................... 67
.
PRE-TENSIONER" ................................................ 75 .
Description ............................................................. 67
.
FOR MEXICO : Precaution Necessary for Steer-
Inspection procedure ............................................. 67 .
ing Wheel Rotation After Battery Disconnect ......... 75 .
PRECAUTION ............................................ 69
. FOR MEXICO : Precaution for Procedure without
Cowl Top Cover ..................................................... 76 .
PRECAUTIONS ................................................ 69
. FOR MEXICO : Precautions For Xenon Headlamp
Service ................................................................... 76
.
FOR USA AND CANADA ........................................ 69 . FOR MEXICO : Working with HFC-134a (R-134a)... 76
FOR USA AND CANADA : Precaution for Supple- FOR MEXICO : General Refrigerant Precaution ... 77
mental Restraint System (SRS) "AIR BAG" and FOR MEXICO : Refrigerant Connection ................ 77 .
"SEAT BELT PRE-TENSIONER" .......................... 69 . FOR MEXICO : Service Equipment ....................... 79 .
FOR USA AND CANADA : Precaution Necessary
for Steering Wheel Rotation After Battery Discon- COMPRESSOR ................................................ 82
.
nect ........................................................................ 69
. General Precautions .............................................. 82
.
FOR USA AND CANADA : Precaution for Proce-
dure without Cowl Top Cover ................................ 70 . FLUORESCENT LEAK DETECTOR ................ 83
.
General Precautions .............................................. 83
.

Revision: 2008 January HAC-2 2008 Rogue
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [MANUAL AIR CONDITIONER]

BASIC INSPECTION A
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow INFOID:0000000001722288
B

DETAILED FLOW
1.LISTEN TO CUSTOMER COMPLAINT C
Listen to customer complaint. (Get detailed information about the conditions and environment when the symp-
tom occurs.)
D
>> GO TO 2.
2.VERIFY THE SYMPTOM WITH OPERATIONAL CHECK E
Verify the symptom with operational check. Refer to HAC-4, "Description & Inspection".

>> GO TO 3. F
3.GO TO APPROPRIATE TROUBLE DIAGNOSIS
Go to appropriate trouble diagnosis (Refer to HAC-63, "Diagnosis Chart By Symptom" below). G

>> GO TO 4.
4.REPAIR OR REPLACE H

Repair or replace the specific parts.
HAC
>> GO TO 5.
5.FINAL CHECK
J
Final check.
Is the inspection result normal?
YES >> CHECK OUT K
NO >> GO TO 3.

Revision: 2008 January HAC-3 2008 Rogue
INSPECTION AND ADJUSTMENT
< BASIC INSPECTION > [MANUAL AIR CONDITIONER]
INSPECTION AND ADJUSTMENT
Description & Inspection INFOID:0000000001722289

DESCRIPTION
The purpose of the operational check is to check that the individual system operates normally.

Conditions : Engine running at normal operating temperature

INSPECTION PROCEDURE
1.CHECKING BLOWER MOTOR
1. Turn fan control dial to 1st speed. Blower should operate on low speed.
2. Turn fan control dial to 2nd speed, and continue checking blower speed until all speeds are checked.
3. Leave blower on maximum speed.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Go to diagnosis procedure. Refer to HAC-28, "Diagnosis Procedure".
2.CHECKING DISCHARGE AIR
1. Turn mode control dial to each position.
2. Confirm that discharge air comes out according to the air distribution table. Refer to HAC-9, "System
Description".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Go to diagnosis procedure. Refer to HAC-22, "Diagnosis Procedure".
3.CHECKING INTAKE AIR
1. Press REC switch. Recirculation indicator lamp turns ON.
2. Press REC switch again. Recirculation indicator lamp turns OFF.
3. Listen for intake door position change. (Slight change of blower sound can be heard.)
Is the inspection result normal?
YES >> GO TO 4.
NO >> Go to diagnosis procedure. Refer to HAC-26, "Diagnosis Procedure".
4.CHECKING A/C SWITCH
1. Turn fan control dial to 1st speed.
2. Press A/C switch. A/C switch indicator lamp turns ON.
3. Confirm that the magnet clutch engages (sound or visual inspection).
Is the inspection result normal?
YES >> GO TO 5.
NO >> Go to diagnosis procedure. Refer to HAC-32, "Diagnosis Procedure".
5.CHECKING TEMPERATURE DECREASE
1. Turn temperature control dial counterclockwise until full cold position.
2. Check for cool air at discharge air outlets.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Go to diagnosis procedure. Refer to HAC-64, "Inspection procedure".
6.CHECKING TEMPERATURE INCREASE
1. Turn temperature control dial clockwise until full hot position.
2. Check for warm air at discharge air outlets.
Is the inspection result normal?
YES >> END.
NO >> Go to diagnosis procedure. Refer to HAC-65, "Inspection procedure".

Revision: 2008 January HAC-4 2008 Rogue
COMPRESSOR CONTROL FUNCTION
< FUNCTION DIAGNOSIS > [MANUAL AIR CONDITIONER]

FUNCTION DIAGNOSIS A
COMPRESSOR CONTROL FUNCTION
Description INFOID:0000000001722290
B

PRINCIPLE OF OPERATION
Compressor is not activated. C
Functional circuit diagram

HAC

JPIIA0394GB
K

L (1) : Fan ON signal S (3) : Defogger signal
L (2) : A/C switch signal CAN (1) : A/C switch signal L
S (1) : Fan ON signal : Blower fan motor switch signal
S (2) : A/C switch signal CAN (2) : A/C compressor request signal
M
Functional initial inspection chart

Location A B C D E F
N
ECM DATA MONITOR Yes Yes
CONSULT-III BCM DATA MONITOR Yes Yes
IPDM E/R DATA MONITOR Yes O
AUTO ACTIVE TEST Yes

Component Part Location INFOID:0000000001722291
P

ENGINE COMPARTMENT

Revision: 2008 January HAC-5 2008 Rogue
COMPRESSOR CONTROL FUNCTION
< FUNCTION DIAGNOSIS > [MANUAL AIR CONDITIONER]

JSIIA0832ZZ

1. Compressor (Magnet clutch) 2. Refrigerant pressure sensor

PASSENGER COMPARTMENT

Revision: 2008 January HAC-6 2008 Rogue
COMPRESSOR CONTROL FUNCTION
< FUNCTION DIAGNOSIS > [MANUAL AIR CONDITIONER]

HAC

JSIIA0833ZZ

P
1. Air mix door motor 2. Intake door motor 3. Mode door motor
4. Blower motor 5. Fan control amp. 6. A/C control (A/C amp.)
7. Intake sensor

Component Description INFOID:0000000001722292

Revision: 2008 January HAC-7 2008 Rogue
COMPRESSOR CONTROL FUNCTION
< FUNCTION DIAGNOSIS > [MANUAL AIR CONDITIONER]
Component Reference
Air mix door motor HAC-24, "Description"
A/C control (A/C amp.) HAC-38, "Description"
Blower motor HAC-28, "Description"
Compressor (Magnet clutch) HAC-32, "Description"
Fan control amp. HAC-28, "Description"
Intake door motor HAC-26, "Description"
Intake sensor HAC-36, "Description"
Mode door motor HAC-22, "Description"
EC-434, "Description" (FOR CALIFORNIA), EC-865, "Description" [FOR USA (FEDERAL)
Refrigerant pressure sensor
AND CANADA] or EC-1222, "Description" (FOR MEXICO)

Revision: 2008 January HAC-8 2008 Rogue
MANUAL AIR CONDITIONER SYSTEM
< FUNCTION DIAGNOSIS > [MANUAL AIR CONDITIONER]
MANUAL AIR CONDITIONER SYSTEM
A
System Diagram INFOID:0000000001722293

CONTROL SYSTEM B
The control system consists of input sensor, switches, A/C amp. (microcomputer) and outputs. The relation-
ship of these components is as shown in the figure below:
C

HAC

K
JPIIA0391GB

System Description INFOID:0000000001722294

L
CONTROL OPERATION
A/C control
M

JPIIA0392ZZ

Revision: 2008 January HAC-9 2008 Rogue
MANUAL AIR CONDITIONER SYSTEM
< FUNCTION DIAGNOSIS > [MANUAL AIR CONDITIONER]

1. Fan control dial 2. Temperature control dial 3. Mode control dial
4. Recirculation (REC) switch 5. A/C switch 6. Rear window defogger switch

1. Fan Control Dial
The blower speed is manually controlled with this dial. Twenty-six speeds are available for manual control.
2. Temperature Control Dial (Potentio Temperature Control)
The set temperature is increased or decreased with this dial.
3. Mode Control Dial

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