Nissan March K13. Manual — part 367
HAC-2
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . .
Work Flow . . . . . . . . . . . . . . . ...
OPERATION INSPECTION . . . . . . . ...
Description & Inspection . . . . . . . . . . .
SYSTEM SETTING . . . . . . . . . . .
Temperature Setting Trimmer . . . . . . . ....
Foot Position Setting Trimmer . . . . . . . ....
Inlet Port Memory Function . . . . . . . . ....
DTC/CIRCUIT DIAGNOSIS . . . . . . .
AMBIENT SENSOR . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
IN-VEHICLE SENSOR . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
INTAKE SENSOR . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
SUNLOAD SENSOR . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
AIR MIX DOOR MOTOR . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ..
MODE DOOR MOTOR . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
INTAKE DOOR MOTOR . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ..
BLOWER MOTOR . . . . . . . . . . . .
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
MAGNET CLUTCH . . . . . . . . . . .
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
A/C ON SIGNAL . . . . . . . . . . . .
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
BLOWER FAN ON SIGNAL . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
POWER SUPPLY AND GROUND CIRCUIT . .
A/C AUTO AMP. . . . . . . . . . . . . . ...
A/C AUTO AMP. : Diagnosis Procedure . . . ....
A/C AUTO AMP. . . . . . . . . . . . .
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . .
AUTOMATIC AIR CONDITIONER SYSTEM .
Diagnosis Chart By Symptom . . . . . . . . .
INSUFFICIENT COOLING . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
INSUFFICIENT HEATING . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
COMPRESSOR DOSE DOT OPERATE . . ...
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
MEMORY FUNCTION DOES NOT OPERATE ...
Description . . . . . . . . . . . . . . . ..
Inspection Procedure . . . . . . . . . . . ..
REMOVAL AND INSTALLATION . . . ..
A/C CONTROL (A/C AUTO AMP.) . . . . ...
Removal and Installation . . . . . . . . . . .
AMBIENT SENSOR . . . . . . . . . . ...
Removal and Installation . . . . . . . . . . .
IN-VEHICLE SENSOR . . . . . . . . . ...
Removal and Installation . . . . . . . . . . .
SUNLOAD SENSOR . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
INTAKE SENSOR . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
REFRIGERANT PRESSURE SENSOR . . .
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
POWER TRANSISTOR . . . . . . . . . .
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
DOOR MOTOR . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . .
INTAKE DOOR MOTOR . . . . . . . . . . ...
INTAKE DOOR MOTOR : Removal and Installa-
tion . . . . . . . . . . . . . . . . . . ..
MODE DOOR MOTOR . . . . . . . . . . . ..
MODE DOOR MOTOR : Removal and Installation ...
HAC-3
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AIR MIX DOOR MOTOR : Removal and Installa-
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MANUAL AIR CONDITIONER
PRECAUTION . . . . . . . . . . . ..
PRECAUTIONS . . . . . . . . . . . . ..
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect . . . . . . . . ...
SYSTEM DESCRIPTION . . . . . . . .
COMPONENT PARTS . . . . . . . . . ...
MANUAL AIR CONDITIONING SYSTEM . . . . .
MANUAL AIR CONDITIONING SYSTEM : Com-
ponent Part Location . . . . . . . . . . . ...
MANUAL AIR CONDITIONING SYSTEM : Com-
ponent Description . . . . . . . . . . . . ..
A/C UNIT ASSEMBLY . . . . . . . . . . . ...
A/C UNIT ASSEMBLY : Blower Fan Resistor . . .
A/C UNIT ASSEMBLY : Blower Motor . . . . .
A/C UNIT ASSEMBLY : Thermo Control Amp. . ...
COMPRESSOR . . . . . . . . . . . . . . .
COMPRESSOR : Magnet Clutch . . . . . . .
SYSTEM . . . . . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Compressor Control . . . . . . . . . . . .
Door Control . . . . . . . . . . . . . . .
OPERATION . . . . . . . . . . . . . ...
Switch Name and Function . . . . . . . . . .
DIAGNOSIS SYSTEM (BCM) . . . . . . .
COMMON ITEM . . . . . . . . . . . . . . .
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) . . . . . . . . . . . . . .
AIR CONDITIONER . . . . . . . . . . . . ...
AIR CONDITIONER : CONSULT-III Function . . .
ECU DIAGNOSIS INFORMATION . . . ..
ECM, BCM . . . . . . . . . . . . . . ..
List of ECU Reference . . . . . . . . . . .
WIRING DIAGRAM . . . . . . . . . ..
MANUAL AIR CONDITIONING SYSTEM . . ..
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORKFLOW . . .
Work Flow . . . . . . . . . . . . . . . ...
OPERATION INSPECTION . . . . . . . ..
Description & Inspection . . . . . . . . . . ..
DTC/CIRCUIT DIAGNOSIS . . . . . ...
BLOWER MOTOR . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
MAGNET CLUTCH . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
A/C SWITCH . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
BLOWER FAN ON SIGNAL . . . . . . ...
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . .
MANUAL AIR CONDITIONER SYSTEM . .
Diagnosis Chart By Symptom . . . . . . . .
INSUFFICIENT COOLING . . . . . . . ..
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
INSUFFICIENT HEATING . . . . . . . ...
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
COMPRESSOR DOSE DOT OPERATE . . .
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . .
A/C CONTROL . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
THERMO CONTROL AMPLIFIER . . . . ..
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
REFRIGERANT PRESSURE SENSOR . . ..
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
BLOWER FAN RESISTOR . . . . . . . .
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
DOOR CABLE . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ...
INTAKE DOOR CABLE . . . . . . . . . . ...
INTAKE DOOR CABLE : Removal and Installation
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HAC-4
INTAKE DOOR CABLE : Adjustment . . . . .
MODE DOOR CABLE . . . . . . . . . . . ..
MODE DOOR CABLE : Removal and Installation ..
MODE DOOR CABLE : Adjustment . . . . . ..
AIR MIX DOOR CABLE . . . . . . . . . . ...
AIR MIX DOOR CABLE : Removal and Installation
..
AIR MIX DOOR CABLE : Adjustment . . . . .
HEATER AND VENTILATION
PRECAUTION . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . ...
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect . . . . . . . . .
SYSTEM DESCRIPTION . . . . . . ...
COMPONENT PARTS . . . . . . . . . .
HEATER AND VENTILATION CONTROL SYS-
TEM . . . . . . . . . . . . . . . . . . ..
HEATER AND VENTILATION CONTROL SYS-
TEM : Component Part Location . . . . . . ...
HEATER AND VENTILATION CONTROL SYS-
TEM : Component Description . . . . . . . ..
HEATER AND VENTILATION UNIT ASSEMBLY ...
HEATER AND VENTILATION UNIT ASSEMBLY :
Blower Fan Resistor . . . . . . . . . . . ..
HEATER AND VENTILATION UNIT ASSEMBLY :
Blower Motor . . . . . . . . . . . . . . .
SYSTEM . . . . . . . . . . . . . . ...
System Diagram . . . . . . . . . . . . .
System Description . . . . . . . . . . . .
OPERATION . . . . . . . . . . . . .
Switch Name and Function . . . . . . . . .
DIAGNOSIS SYSTEM (BCM) . . . . . . ..
COMMON ITEM . . . . . . . . . . . . . ...
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) . . . . . . . . . . . . ...
AIR CONDITIONER . . . . . . . . . . . . .
AIR CONDITIONER : CONSULT-III Function . ...
ECU DIAGNOSIS INFORMATION . . . .
BCM . . . . . . . . . . . . . . . . .
List of ECU Reference . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . .
HEATER AND VENTILATION CONTROL
SYSTEM . . . . . . . . . . . . . . ...
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . .
Work Flow . . . . . . . . . . . . . . . .
OPERATION INSPECTION . . . . . . . ..
Description & Inspection . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . ...
BLOWER MOTOR . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
BLOWER FAN ON SIGNAL . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . ...
HEATER AND VENTILATION CONTROL
SYSTEM . . . . . . . . . . . . . . ...
Diagnosis Chart By Symptom . . . . . . . ...
INSUFFICIENT HEATING . . . . . . . .
Description . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . .
HEATER CONTROL . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
BLOWER FAN RESISTOR . . . . . . . ..
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
DOOR CABLE . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ..
INTAKE DOOR CABLE . . . . . . . . . . ..
INTAKE DOOR CABLE : Removal and Installation
.
INTAKE DOOR CABLE : Adjustment . . . . ...
MODE DOOR CABLE . . . . . . . . . . . .
MODE DOOR CABLE : Removal and Installation .
MODE DOOR CABLE : Adjustment . . . . . ..
AIR MIX DOOR CABLE . . . . . . . . . . ..
AIR MIX DOOR CABLE : Removal and Installation
.
PRECAUTIONS
HAC-5
< PRECAUTION >
[AUTOMATIC AIR CONDITIONER]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006024081
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SRS AIR BAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s)
with a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly
causing serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
INFOID:0000000006024082
NOTE:
• Before removing and installing any control units, first turn the push-button ignition switch to the LOCK posi-
tion, then disconnect both battery cables.
• After finishing work, confirm that all control unit connectors are connected properly, then re-connect both
battery cables.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.
For vehicle with steering lock unit, if the battery is disconnected or discharged, the steering wheel will lock and
cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, follow the operation pro-
cedure below before starting the repair operation.
OPERATION PROCEDURE
1.
Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2.
Turn the push-button ignition switch to ACC position.
(At this time, the steering lock will be released.)
3.
Disconnect both battery cables. The steering lock will remain released with both battery cables discon-
nected and the steering wheel can be turned.
4.
Perform the necessary repair operation.
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