Nissan Titan. Instruction — part 378
DIAGNOSIS SYSTEM (HVAC)
HAC-17
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONER]
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DIAGNOSIS SYSTEM (HVAC)
CONSULT Function (HVAC)
INFOID:0000000009882443
CONSULT can display each diagnostic item using the diagnostic test modes shown following.
SELF-DIAGNOSIS
Display Item List
DATA MONITOR
Display Item List
Diagnostic mode
Description
SELF DIAGNOSTIC RESULT
Displays Front air control self-diagnosis results.
DATA MONITOR
Displays Front air control input/output data in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ECU IDENTIFICATION
Front air control part number can be read.
DTC
Description
Reference page
B2573
Battery voltage out of range
CHG-4, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
or
CHG-7, "Work Flow (Without EXP-800 NI or GR8-1200 NI)"
B2578
In-vehicle sensor circuit out of range (low)
HAC-59, "In-Vehicle Sensor Diagnosis Procedure"
B2579
In-vehicle sensor circuit out of range (high)
B257B
Ambient sensor circuit short
HAC-57, "Ambient Sensor Component Inspection"
B257C
Ambient sensor circuit open
B257F
Optical sensor (Driver) circuit open or short
HAC-62, "Optical Sensor Diagnosis Procedure"
B2580
Optical sensor (Passenger) circuit open or short
B2581
Intake sensor circuit short
HAC-65, "Intake Sensor Component Inspection"
B2582
Intake sensor circuit open
B2587
Stuck button
VTL-8, "Removal and Installation"
U1000
CAN bus fault
LAN-14, "Trouble Diagnosis Flow Chart"
Monitor item
Value
Contents
BATT VIA CAN
"V"
Displays battery voltage signal.
IGN VIA CAN
"ON/OFF"
Displays ignition switch signal.
DVR SUNLD SEN
"w/m2"
Displays optical sensor (driver) signal.
PAS SUNLD SEN
"w/m2"
Displays optical sensor (passenger) signal.
AMB TEMP SEN
"
°C"
Displays ambient sensor signal.
EVAP TEMP SEN
"
°C"
Displays intake sensor signal.
INCAR TMP SEN
"
°C"
Displays in-vehicle sensor signal.
MODE FDBCK
"V"
Displays mode door motor feedback signal.
DVR MIX FDBCK
"V"
Displays air mix door motor (driver) feedback signal.
PAS MIX FDBCK
"V"
Displays air mix door motor (passenger) feedback signal.
DEF FDBCK
"V"
Displays defroster door motor feedback signal.
RECIRC
"ON/OFF"
Displays recirculation switch signal.
DEFROST
"ON/OFF"
Displays defroster switch signal.
AUTO
"ON/OFF"
Displays AUTO switch signal.
HAC-18
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONER]
DIAGNOSIS SYSTEM (HVAC)
A/C
"ON/OFF"
Displays A/C switch signal.
L TEMP UP
"ON/OFF"
Displays driver side temperature control dial (temp increase) signal.
L TEMP DOWN
"ON/OFF"
Displays driver side temperature control dial (temp decrease) signal.
R TEMP UP
"ON/OFF"
Displays passenger temperature control dial (temp increase) signal.
R TEMP DOWN
"ON/OFF"
Displays passenger temperature control dial (temp decrease) signal.
RR DEFOG
"ON/OFF"
Displays rear defroster request signal.
FAN UP
"ON/OFF"
Displays blower motor (blower speed increase) signal.
FAN DOWN
"ON/OFF"
Displays blower motor (blower speed decrease) signal.
MODE SELECT
"DTNT"
Displays selected mode position.
DUAL MODE
"ON/OFF"
Displays dual mode status.
MODE D STATUS
"V"
Displays mode d status signal.
Monitor item
Value
Contents
DIAGNOSIS SYSTEM (BCM)
HAC-19
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONER]
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HAC
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DIAGNOSIS SYSTEM (BCM)
CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000009882444
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
CONSULT Function (BCM - AIR CONDITIONER)
INFOID:0000000009882445
DATA MONITOR
Direct Diagnostic Mode
Description
Ecu Identification
The BCM part number is displayed.
Self Diagnostic Result
The BCM self diagnostic results are displayed.
Data Monitor
The BCM input/output data is displayed in real time.
Active Test
The BCM activates outputs to test components.
Work support
The settings for BCM functions can be changed.
Configuration
• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing BCM.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
System
Sub System
Direct Diagnostic Mode
Ecu Id
en
tificati
on
Sel
f Di
agn
os
tic Re
su
lt
Dat
a
M
on
ito
r
Acti
ve
T
est
W
ork
su
pp
ort
Co
nf
ig
ur
at
io
n
CAN Diag S
upport Mntr
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEADLAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps FLASHER
×
×
Air conditioner
AIR CONDITIONER
×
Combination switch
COMB SW
×
BCM
BCM
×
×
×
×
×
Immobilizer
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
AIR PRESSURE MONITOR
×
×
×
×
Panic alarm system
PANIC ALARM
×
HAC-20
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONER]
DIAGNOSIS SYSTEM (BCM)
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
FAN ON SIG [On/Off]
Indicates condition of fan switch.
AIR COND SW [On/Off]
Indicates condition of A/C switch.
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