Nissan Rogue. Manual — part 776
HAC-126
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
DIAGNOSIS SYSTEM (HVAC)
DIAGNOSIS SYSTEM (HVAC)
Description
INFOID:0000000011276674
Air conditioning system performs self-diagnosis, operation check, function diagnosis, and various settings
using diagnosis function of each control unit.
CONSULT Function (HVAC)
INFOID:0000000011276675
CONSULT can display each diagnosis item using the diagnosis test modes as shown.
CONSULT application items
SELF DIAGNOSTIC RESULT
Display Item List
ECU
Diagnostic item
(CONSULT)
Front air control
HVAC
Self Diagnostic Result
Data Monitor
Active Test
Work support
ECM
ENGINE
Self Diagnostic Result
Data Monitor
IPDM E/R
IPDM E/R
Self Diagnostic Result
Data Monitor
Diagnosis mode
Description
Self Diagnostic Result
Displays the diagnosis results judged by A/C auto amp.
Data Monitor
Displays A/C auto amp. input/output data in real time.
Work support
Changes the setting for each system function.
Active Test
The signals used to activate each device are forcibly supplied from front air control.
ECU Identification
Displays the A/C auto amp. number.
DTC
Items
(CONSULT screen terms)
Diagnostic item is detected when...
Possible cause
U1000
CAN COMM CIRCUIT
When A/C auto amp. is not transmitting
or receiving CAN communication signal
for 2 or more seconds.
CAN communication system
U1010
CONTROL UNIT (CAN)
When detecting error during the initial
diagnosis of CAN controller of front air
control.
Front air control
B24A4
INTAKE TEMP SEN
Short or open circuit of the intake tem-
perature sensor signal.
• Intake sensor
• Front air control
• Harness and connector
(Intake sensor circuit is open, or
there is a short in the circuit)
B24BB
AIRMIX ACTR
Short or open circuit of air mix door mo-
tor drive signal.
• Air mix door motor LH
• Front air control
• Harness and connector
(Air mix door motor is open or
shorted)
DIAGNOSIS SYSTEM (HVAC)
HAC-127
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
DATA MONITOR
Display item list
WORK SUPPORT
NOTE:
When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of
WORK SUPPORT may be cancelled.
ACTIVE TEST
HVAC TEST
B24B7
INTAKE ACTR
Short or open circuit of intake door mo-
tor drive signal.
• Intake door motor
• Front air control
• Harness and connector
(Intake door motor is open or
shorted)
B27B9
MODE DOOR ACTR
Short or open circuit of mode door mo-
tor drive signal.
• Mode door motor
• Front air control
• Harness and connector
(Mode door motor is open or
shorted)
DTC
Items
(CONSULT screen terms)
Diagnostic item is detected when...
Possible cause
Monitor item [Unit]
Description
AMB TEMP SEN
[
°C]
Ambient sensor value converted from ambient sensor signal received from ambient
sensor
INT TEMP SEN
[
°C] Intake sensor value converted from intake sensor signal received from intake sensor
AMB SEN CAL
[
°] Ambient sensor value calculated by A/C auto amp.
INT TEMP CAL
[
°C] Intake sensor value calculated by A/C auto amp.
COMP REQ SIG
[On/Off] Displays A/C switch ON/OFF status transmitted to other units via CAN communication
COMP ECV DUTY
[%] Duty ratio of ECV (electrical control valve) judged by A/C amp.
FAN REQ SIG
[On/Off]
Displays blower switch ON/OFF status transmitted to other units via CAN communica-
tion
FAN DUTY
[%] Duty ratio of blower motor judged by A/C auto amp.
VEHICLE SPEED
[km/h
(mph)]
Vehicle speed signal value received from meter via CAN communication
Work item
Description
Reference
Door Motor Starting Position Reset
Starting position reset of air mix door motor and mode door motor
can be performed.
TARGET EVAPORATOR TEMP UP-
PER LIMIT SETTING
Set the target evaporator upper temperature limit.
HAC-151, "Target Evap-
orator Temp Upper Limit"
Test item
Description
HVAC TEST
The operation check of A/C system can be performed by selecting the mode. Refer to the fol-
lowing table for the conditions of each mode.
Test item
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
MODE 6
MODE 7
Mode door position
VENT
VENT
B/L
B/L
D/F1
D/F2
DEF
Intake door position
REC
REC
20%FRE
20%FRE
FRE
FRE
FRE
Air mix door position
FULL COLD
FULL COLD
FULL COLD
FULL HOT
FULL HOT
FULL HOT
FULL HOT
HAC-128
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
DIAGNOSIS SYSTEM (HVAC)
NOTE:
Perform the inspection of each output device after starting the engine, because the A/C compressor has been operating.
Blower motor (Applied
voltage)
35%
35%
60%
60%
90%
90%
35%
A/C compressor (Mag-
net clutch)
ON
ON
ON
ON
OFF
OFF
ON
ECV duty
80%
80%
40%
40%
0%
0%
90%
Test item
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
MODE 6
MODE 7
DIAGNOSIS SYSTEM (IPDM E/R)
HAC-129
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
DIAGNOSIS SYSTEM (IPDM E/R)
CONSULT Function (IPDM E/R)
INFOID:0000000011379683
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with IPDM E/R.
ECU IDENTIFICATION
The IPDM E/R part number is displayed.
SELF DIAGNOSTIC RESULT
DATA MONITOR
Direct Diagnostic Mode
Description
ECU Identification
The IPDM E/R part number is displayed.
Self Diagnostic Result
The IPDM E/R self diagnostic results are displayed.
Data Monitor
The IPDM E/R input/output data is displayed in real time.
Active Test
The IPDM E/R activates outputs to test components.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
Monitor Item [Unit]
Description
REVERSE SIGNAL [Open/Close]
Indicates condition of transmission range switch R (Reverse) po-
sition.
IGN RELAY [Open/Close]
Indicates condition of ignition relay-1.
PUSH SW [Open/Close]
Indicates condition of push-button ignition switch.
INTERLOCK/PNP SW [Open/Close]
Indicates condition of transmission range switch P (Park) and N
(Neutral) positions.
OIL PRESSURE SW [Open/Close]
Indicates condition of oil pressure switch.
HOOD SW [Open/Close]
Indicates condition of hood switch.
COMPRESSOR [OFF/ON]
Indicates condition of A/C compressor.
HORN RELAY [OFF/ ON]
Indicates condition of horn relay.
COOLING FAN [OFF/ON]
Indicates condition of cooling fan relay-1.
FRONT WIPER HI/LO RELAY [OFF/ON]
Indicates condition of front wiper high relay.
FRONT WIPER RELAY [OFF/ON]
Indicates condition of front wiper relay.
IGN RELAY OFF STATUS [OFF/ON]
Indicates condition of ignition relay-1 OFF status.
IGN RELAY ON STATUS [OFF/ON]
Indicates condition of ignition relay-1 ON status.
COOLING FAN RELAY 1 [OFF/ON]
Indicates condition of cooling fan relay-1.
STARTER RELAY [OFF/ON]
Indicates condition of starter relay.
COMP ECV DUTY [%]
Indicates condition of A/C compressor.
COOLING FAN RELAY 2 [%]
Indicates condition of cooling fan relay-2.
FR FOG LAMP LH [%]
Indicates condition of front fog lamp LH.
FR FOG LAMP RH [%]
Indicates condition of front fog lamp RH.
PARKING LAMP [%]
Indicates condition of parking lamp.
TAIL LAMP LH [%]
Indicates condition of tail lamp LH.
TAIL LAMP RH [%]
Indicates condition of tail lamp RH.
DAYTIME RUNNING LIGHT LH [%]
Indicates condition of daytime running light LH.
DAYTIME RUNNING LIGHT RH [%]
Indicates condition of daytime running light RH.
HEADLAMP (HI) LH [%]
Indicates condition of headlamp high beam LH.
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