Nissan Altima HL32 Hybrid. Manual — part 499
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-17
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Component
Reference
Air mix door motor (driver side)
Air mix door motor (passenger side)
Ambient sensor
Blower motor
Electric compressor
Intake door motor
Intake sensor
In-vehicle sensor
Mode door motor
Refrigerant pressure sensor
HAC-90, "Component Inspection"
Sunload sensor
Controller (Auto amp.)
Heater pump
HAC-18
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
CAN COMMUNICATION SYSTEM
CAN COMMUNICATION SYSTEM
System Description
INFOID:0000000004215300
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only. For details, refer to
DIAGNOSIS SYSTEM (AUTO AMP.)
HAC-19
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
DIAGNOSIS SYSTEM (AUTO AMP.)
CONSULT-III Function
INFOID:0000000004215301
FUNCTION
WORK SUPPORT MODE
Work Item
*: Initial setting
Blower Fan Set
*: Initial setting
NOTE:
When low voltage battery cable is disconnected or battery voltage is below 10 V, trimmer operation is can-
celed. Work items becomes that of initial setting.
SELF-DIAG RESULTS MODE
Display Item List
Reading items of DTC. Refer to
.
DATA MONITOR MODE
Monitor Item
Diagnostic test mode
Function
Work support
Change the setting for each system function.
Self-diagnostic results
Display the diagnosis result judged by auto amp.
Data monitor
The auto amp. Input/Output signals are displayed.
CAN diagnostic support
monitor
The results of transmit/receive diagnosis of CAN communication can be read.
Active test
The signals used to activate each device are forcibly supplied from auto amp.
ECU part number
Auto amp. part number can be read.
Work Item
Setting Item
Setting
TEMP SET CORRECT
—
The temperature setting correction compensates for difference in range of
±3°C (±6°F)
REC MEMORY SET
MODE 1*
Manual REC status is
memorized
When ignition switch is turned OFF to ON, inlet port can
be set to AUTO or manual.
MODE 2
Auto control
FRE MEMORY SET
MODE 1*
Manual FRE status is
memorized
MODE 2
Auto control
BLOWER FAN SET
MODE 1
Distribution ratio in FOOT mode can be set. Discharge air flow is shown in the table
below.
MODE 2*
MODE 3
MODE 4
Work Item
Discharge air flow
Automatically controls the mode door
Manually controls the mode door
VENT
FOOT
DEF
VENT
FOOT
DEF
Front
Rear
Front
Rear
Front
Rear
Front
Rear
MODE 1
15%
16%
34%
15%
20%
15%
16%
34%
15%
20%
MODE 2*
19%
20%
42%
19%
—
15%
16%
34%
15%
20%
MODE 3
19%
20%
42%
19%
—
19%
20%
42%
19%
—
MODE 4
15%
16%
34%
15%
20%
19%
20%
42%
19%
—
HAC-20
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
DIAGNOSIS SYSTEM (AUTO AMP.)
×: Applicable
Monitor item
Unit
Description
AMB TEMP SEN
°C/°F
Indicate value of the ambient temperature signal received from ambient sensor.
IN-VEH TEMP
°C/°F
Indicate value of the in-vehicle temperature signal received from in-vehicle sensor.
IN TEMP SEN
°C/°F
Indicate value of the evaporator temperature signal received from intake sensor.
SUNLOAD SEN
W/m
2
Indicate value of the sunload signal received from sunload sensor.
AMB SEN CAL
°C/°F
Indicate the ambient temperature computed from ambient sensor signal.
IN-VEH CAL
°C/°F
Indicate the in-vehicle temperature computed from in-vehicle sensor signal.
INT TEMP CAL
°C/°F
Indicate the evaporator temperature computed from intake sensor signal.
SUNL SEN CAL
W/m
2
Indicate the amount of sunload computed from sunload sensor signal.
COMP REQ SIG
On/Off
Indicate the status of the electric compressor ON request signal from auto amp. to HV ECU.
FAN REQ SIG
On/Off
Indicate the status of the blower fan request signal.
FAN DUTY
%
Indicate value of the blower motor signal received blower motor.
XM
°C/°F
DR SIDE TARGET TEMPERATURE
ENG COOL TEMP
°C/°F
Indicate value of the engine coolant temperature signal received from ECM via CAN com-
munication.
VEHICLE SPEED
km/h/MPH
Indicate value of the vehicle speed signal received from HV ECU via CAN communication.
COMP RPM
rpm
Indicate value of the electric compressor speed signal received from HV ECU via CAN com-
munication.
AC INV VOLT
W
AC INVERTER INPUT VOLTAGE SIGNAL
AC INV CRNT
A
AC INVERTER CURRENT DIRECTION
AC INV TEMP
°C/°F
AC INVERTER TEMPERATURE SENSOR SIGNAL (Alternate between motor housing tem-
perature and inverter temperature.)
AC INV VOLT
V
AC INVERTER VOLTAGE SENSOR SIGNAL
USE POWER
W
USEABLE POWER
PWR SUPP FAIL
—
MAIN POWER SUPPLY FAILURE
OUTPUT FAIL
—
OUTPUT FAILURE
LOAD FAIL
—
LOAD FAILURE
NETWORK FAIL
—
NETWORK FAILURE
START UP FAIL
—
START UP FAILURE
CONTROL FAIL
—
CONTROL FAILURE
STB SHORT
—
STB (electric compressor stand-by signal line) SHORT
STB STATUS
On/Off
STB (electric compressor stand-by signal line) STATUS
INV OVERHEAT
—
INVERTER OVERHEAT
STB REQUEST
On/Off
STB (electric compressor stand-by signal line) ON/OFF REQUEST
HTR WTR PUMP
On/Off
Indicate the status of the heater pump ON request signal transmitted to HV ECU via CAN
communication.
ENG ON REQ
On/Off
Indicate the status of the engine ON request signal transmitted to HV ECU via CAN commu-
nication.
NETWRK STAT
—
NETWORK STATUS SIGNAL
STB OPEN
—
STB (electric compressor stand-by signal line) OPEN DETECTION
STB STAT ANS
On/Off
STB (electric compressor stand-by signal line) STATUS ANSWER
A/C PD CUT
On/Off
A/C PD CUT FLAG
CLIM COOL REQ
On/Off
Indicate the status of the electric compressor ON request signal from auto amp. to HV ECU.
NE HEATER
rpm
Indicate value of the target engine speed signal transmitted to HV ECU via CAN communi-
cation.
HEATER NUP
On/Off
Indicate the status of the target engine speed up request signal to HV ECU via CAN com-
munication.
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