Infiniti QX56 (JA60). Manual - part 590

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

Mode door position

Air outlet/distribution

Vent

Foot

100%

—

50%

50%

—

100%

WJIA0541E

HAC-18

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

AUTOMATIC AIR CONDITIONER SYSTEM

Switches And Their Control Function (Front) 

INFOID:0000000005147679

WJIA1680E

AWIIA0083GB

AUTOMATIC AIR CONDITIONER SYSTEM

HAC-19

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Switches And Their Control Function (Rear)

INFOID:0000000005147680

AWIIA0275GB

AWIIA0084GB

HAC-20

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

DIAGNOSIS SYSTEM (HVAC)

DIAGNOSIS SYSTEM (HVAC)

CONSULT-III Function (HVAC)

INFOID:0000000005147681

CONSULT-III 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-DIAG RESULTS 

Displays A/C auto amp. self-diagnosis results.

DATA MONITOR

Displays A/C auto amp. input/output data in real time.

CAN DIAG SUPPORT MNTR

The result of transmit/receive diagnosis of CAN communication can be read.

ECU PART NUMBER

A/C auto amp. part number can be read.

DTC

Description

Reference page

B2573

Battery voltage out of range

CHG-8, "Inspection Procedure"

B2578

In-vehicle sensor circuit out of range (low)

HAC-78, "In-Vehicle Sensor Diagnosis Procedure"

B2579

In-vehicle sensor circuit out of range (high)

B257B

Ambient sensor circuit short

HAC-75, "Ambient Sensor Diagnosis Procedure"

B257C

Ambient sensor circuit open

B257F

Optical sensor (Driver) circuit open or short

HAC-81, "Optical Sensor Diagnosis Procedure"

.

B2580

Optical sensor (Passenger) circuit open or short

B2581

Intake sensor circuit short

HAC-83, "Intake Sensor Diagnosis Procedure"

B2582

Intake sensor circuit open

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.

RR TEMPSET FR

"V"

Displays air mix door (front) set point signal.

RR TEMPSET RR

"V"

Displays air mix door (rear) set point 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.

RR FDBCK

"V"

Displays air mix door motor (rear) feedback signal.

DEF FDBCK

"V"

Displays defroster door motor feedback signal.