Nissan X-Trail 32. Manual - part 1393

DIAGNOSIS SYSTEM (A/C AUTO AMP.)

HAC-47

< SYSTEM DESCRIPTION >

[AUTOMATIC AIR CONDITIONING]

C

D

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F

G

H

J

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A

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HAC

N

O

P

BLOW SET

NOTE:
This item is indicated, but not used.

TARGET EVAPORATOR TEMP UP-
PER LIMIT SETTING

Setting change of evaporator target temperature upper limit value 
can be performed. 

HAC-75, "Setting of Tar-
get Evaporator Tempera-
ture Upper Limit Value"

Door Motor Starting Position Reset

Zero position reset of air mix door motor and mode door motor 
can be performed.

HAC-77, "Description"

Work item

Description

Refer to

HAC-48

< SYSTEM DESCRIPTION >

[AUTOMATIC AIR CONDITIONING]

DIAGNOSIS SYSTEM (A/C CONTROL)

DIAGNOSIS SYSTEM (A/C CONTROL)

Diagnosis Description

INFOID:0000000010939715

DESCRIPTION

On board diagnosis of A/C control can be used to perform an operation check of the segment display and indi-
cator lamps.

STARTING PROCEDURE

Starting Self-diagnosis Mode

1.

Ignition switch turns OFF, and stand by 3 minutes after the driver side door is opened.
NOTE:
Accessory power supply may be supplied if vehicle is operated during standby.

2.

The self-diagnosis function starts when the ON·OFF switch is pressed for 5 seconds or more within 10
seconds after the ignition switch turns ON.

Ending Self-diagnosis Mode

Turn ignition switch OFF and accessory power supply OFF by AUTO ACC function, or press AUTO switch.
NOTE:
For details of AUTO ACC function, refer to 

PCS-68, "AUTO ACC FUNCTION : System Description"

.

DIAGNOSIS DESCRIPTION

Check indicators of all A/C control switches and check all liquid crystal display segments.
When normal: All display parts and indicator lamps on A/C controller turn ON.
Malfunction: The malfunctioning part does not turn ON, or does not display. (A/C controller malfunction)
NOTE:
If on board diagnosis does not start, check A/C control power supply and the ground circuit. Refer to 

HAC-105,

"A/C CONTROL : Diagnosis Procedure"

. If the result of the check is normal, replace A/C control. Refer to

HAC-125, "Removal and Installation"

.

DIAGNOSIS SYSTEM (BCM)

HAC-49

< SYSTEM DESCRIPTION >

[AUTOMATIC AIR CONDITIONING]

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HAC

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DIAGNOSIS SYSTEM (BCM)

COMMON ITEM

COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)

INFOID:0000000011028575

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with BCM.

SYSTEM APPLICATION

BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.

×

: Applicable item

NOTE:
*: This item is displayed, but not used.

FREEZE FRAME DATA (FFD)

The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT.

Diagnosis mode

Function Description

Work Support

Changes the setting for each system function.

Self Diagnostic Result

Displays the diagnosis results judged by BCM.

CAN Diag Support Monitor

Monitors the reception status of CAN communication viewed from BCM.

Data Monitor

The BCM input/output signals are displayed.

Active Test

The signals used to activate each device are forcibly supplied from BCM.

Ecu Identification

The BCM part number is displayed.

Configuration

• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.

System

Sub system selection item

Diagnosis mode

Work Support

Data Monitor

Active Test

Door lock

DOOR LOCK

×

×

Rear window defogger

REAR DEFOGGER

×

×

Warning chime

BUZZER

×

×

Exterior lamp

HEAD LAMP

×

×

×

Interior room lamp control

INT LAMP

×

Wiper and washer

WIPER

×

×

×

Turn signal and hazard warning lamps

FLASHER

×

×

—

AIR CONDITONER*

×

×

Intelligent Key system

INTELLIGENT KEY

×

×

×

Combination switch

COMB SW

×

Body control system

BCM

×

NVIS - NATS

IMMU

×

Interior room lamp battery saver

BATTERY SAVER

×

Back door open

TRUNK

×

Vehicle security

THEFT ALM

×

×

RAP

RETAINED PWR

×

Remote keyless entry system

MULTI REMOTE ENT

×

×

Signal buffer system

SIGNAL BUFFER

×

×

HAC-50

< SYSTEM DESCRIPTION >

[AUTOMATIC AIR CONDITIONING]

DIAGNOSIS SYSTEM (BCM)

AIR CONDITIONER

AIR CONDITIONER : CONSULT Function (BCM - AIR CONDITIONER)

INFOID:0000000010939717

ACTIVE TEST

CONSULT screen item

Indication/Unit

Description

BATTERY VOLTAGE

V

Battery voltage of the moment a particular DTC is detected.

VEHICLE SPEED

km/h

Vehicle speed of the moment a particular DTC is detected.

EXTERNAL TEMP

°

C

External temperature of the moment a particular DTC is detected

VEHICLE COND

—

NOTE:
This item is displayed, but cannot be use this item.

DOOR LOCK STATUS

—

NOTE:
This item is displayed, but cannot be use this item.

POWER SUPPLY 
COUNTER

min

Displays the cumulative time from the time that the battery terminal is connected.

Test item

Operation

Description

PTC RELAY-1

Off/On

PTC RELAY-1 is turned OFF/ON.

PTC RELAY-2

Off/On

PTC RELAY-2 is turned OFF/ON.

PTC RELAY-3

Off/On

PTC RELAY-3 is turned OFF/ON.