Nissan Cube. Instruction — part 577
HAC-146
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
MANUAL AIR CONDITIONING SYSTEM
Blower motor
Blower fan resistor
Intake door motor
Thermo control amp.
Component
Reference/Function
DIAGNOSIS SYSTEM (BCM) (WITHOUT INTELLIGENT KEY SYSTEM)
HAC-147
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
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DIAGNOSIS SYSTEM (BCM) (WITHOUT INTELLIGENT KEY SYSTEM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010269351
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
×
: Applicable item
AIR CONDITIONER
AIR CONDITIONER : CONSULT Function (BCM - AIR CONDITIONER) (Instruction A/C)
INFOID:0000000009951063
DATA MONITOR
Diagnosis mode
Function Description
Work Support
Changes the setting for each system function.
Self Diagnostic Result
Displays the diagnosis results judged by BCM.
CAN Diag Support Monitor
Monitors the reception status of CAN communication viewed from BCM.
Data Monitor
The BCM input/output signals are displayed.
Active Test
The signals used to activate each device are forcibly supplied from BCM.
Ecu Identification
The BCM part number is displayed.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
Work Support
Data Monitor
Active Test
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp control
INT LAMP
×
×
×
Remote keyless entry system
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
Instruction air conditioner
AIR CONDITONER
×
×
Combination switch
COMB SW
×
Body control system
BCM
×
NVIS - NATS
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door
TRUNK
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
TPMS (AIR PRESSURE MONITOR)
×
×
×
Panic alarm system
PANIC ALARM
×
HAC-148
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
DIAGNOSIS SYSTEM (BCM) (WITHOUT INTELLIGENT KEY SYSTEM)
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Display Item List
ACTIVE TEST
Monitor Item [Unit]
Contents
IGN SW
[On/Off]
Displays ignition switch position status as judged from ignition switch signal.
FAN ON SIG
[On/Off]
Displays the blower fan status as judged from fan switch signal.
AIR COND SW
[On/Off]
Displays [COMP (On)/COMP (Off)] status as judged from air conditioner switch signal.
THERMO AMP
[On/Off]
Displays the thermo control amp. status as judged from thermo control amp. signal.
FR DEF SW
[On/Off]
Displays the DEF status as judged from defroster position switch (mode switch) signal.
Test item
Operation
Description
A/C INDICATOR
On
A/C indicator is turned ON.
Off
A/C indicator is turned OFF.
INTAKE DOOR MOTOR
HAC-149
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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HAC
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DTC/CIRCUIT DIAGNOSIS
INTAKE DOOR MOTOR
Description
INFOID:0000000009951066
INTAKE DOOR MOTOR
• The intake door motor (1) is installed to A/C unit assembly.
• The A/C control (built in A/C amp.) sends the control signal to
Intake door motor. When intake door motor receives the control
signal, intake door is moved to appropriate position.
Diagnosis Procedure
INFOID:0000000009951067
POWER SUPPLY CIRCUIT
1.
CHECK INTAKE DOOR MOTOR DRIVE SIGNAL
1.
Turn the ignition switch ON.
2.
Check voltage between intake door motor harness connector and the ground when intake switch is oper-
ated.
Is inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK CONTINUITY BETWEEN A/C CONTROL AND INTAKE DOOR MOTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the A/C control connector.
3.
Disconnect the intake door motor connector.
4.
Check continuity between A/C control harness connector and intake door motor harness connector.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the harnesses or connectors.
3.
CHECK CONTINUITY BETWEEN INTAKE DOOR MOTOR AND GROUND
Check continuity between intake door motor harness connector and the ground.
: Vehicle front
JPIIA1742ZZ
(+)
(
−
)
Condition
Voltage
(Approx.)
Intake door motor
—
Connector
Terminal
M54
2
Ground
FRE
→
REC
12 V
6
REC
→
FRE
Intake door motor
A/C control
Continuity
Connector
Terminal
Connector
Terminal
M54
2
M53
8
Existed
6
16
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