Nissan Titan. Manual - 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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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

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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.