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Nissan Juke (2016 year). Service Repair Manual - part 431

MAGNET CLUTCH

HAC-85

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

HAC

MAGNET CLUTCH

Component Function Check

INFOID:0000000012200072

CHECK MAGNET CLUTCH OPERATION

Perform auto active test of IPDM E/R. Refer to

PCS-12, "Diagnosis Description"

Does it operate normally?

YES

>> INSPECTION END

>> Refer to

HAC-85, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000012200073

CHECK FUSE

1. Turn ignition switch OFF.

2. Check 10A fuse (No. 49, located in IPDM E/R).

NOTE:

Refer to

PG-82, "Fuse, Connector and Terminal Arrangement"

Is the inspection result normal?

YES

>> GO TO 2.

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

CHECK MAGNET CLUTCH

1. Disconnect compressor connector.

2. Directly apply battery voltage to the magnet clutch. Check for operation visually and by sound.
Does it operate normally?

YES

>> GO TO 3.

>> Replace magnet clutch. Refer to

HA-30, "MAGNET CLUTCH : Removal and Installation of Com-

pressor Clutch"

CHECK MAGNET CLUTCH POWER SUPPLY CIRCUIT FOR OPEN

1. Disconnect IPDM E/R connector.

2. Check continuity between IPDM E/R harness connector and compressor harness connector.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to

PCS-37, "Removal and Installation"

>> Repair harness or connector.

IPDM E/R

Compressor

Continuity

Connector

Terminal

Connector

Terminal

E15

F17

Existed

Revision: November 2015

2016 JUKE

HAC-86

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

AUTOMATIC AIR CONDITIONER SYSTEM

SYMPTOM DIAGNOSIS

AUTOMATIC AIR CONDITIONER SYSTEM

Symptom Table

INFOID:0000000012200074

NOTE:

Perform self-diagnoses with CONSULT before performing the symptom diagnosis. If any DTC is detected,

perform the corresponding diagnosis.

Symptom

Corresponding malfunction part

Check item/Reference

• Air conditioning system does

not activate.

• Air conditioning system can-

not be controlled.

• Operation status of air condi-

tioning system is not indicat-
ed on display.

Fail-safe activates

Multi display unit

AV-230, "Symptom Table"

Fail-safe does not acti-
vate

• A/C auto amp. ignition power supply

and ground circuit

• A/C auto amp.

HAC-75, "A/C AUTO AMP. : Di-
agnosis Procedure"

Discharge air temperature does not change.

Air mix door motor system installation
condition

Check air mix door motor sys-
tem is properly installed. Refer
to

HAC-100, "Exploded View"

Air outlet does not change.

Mode door motor system installation
condition

Check mode door motor system
is properly installed. Refer to

HAC-100, "Exploded View"

Air inlet does not change.

Intake door motor system installation
condition

Check intake door motor system
is properly installed. Refer to

HAC-100, "Exploded View"

Blower motor does not operates or operation speed is not
normal.

• Blower motor power supply circuit
• Blower motor control circuit
• A/C auto amp. ignition power supply

circuit

• Power transistor power supply and

ground circuit

• Power transistor control signal cir-

cuit

• Blower motor
• Power transistor
• A/C auto amp.

HAC-81, "Diagnosis Procedure"

Compressor does not operate.

• Magnet clutch
• The circuit between magnet clutch

and IPDM E/R

• IPDM E/R (A/C relay)
• The circuit between ECM and refrig-

erant pressure sensor

• Refrigerant pressure sensor
• A/C ON signal circuit
• Blower fan ON signal circuit
• A/C auto amp.

HAC-85, "Diagnosis Procedure"

• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)

• Magnet clutch control system
• Drive belt slipping
• Cooler cycle
• Air leakage from each duct
• A/C auto amp. connection recogni-

tion signal circuit

• Temperature setting trimmer

HAC-88, "Diagnosis Procedure"

• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)

• Engine cooling system
• Heater hose
• Heater core
• Air leakage from each duct
• Temperature setting trimmer

HAC-90, "Diagnosis Procedure"

Revision: November 2015

2016 JUKE

AUTOMATIC AIR CONDITIONER SYSTEM

HAC-87

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

HAC

Noise is heard when the A/C
system operates.

During compressor op-
eration

Cooler cycle

HA-27, "Symptom Table"

During blower motor op-
eration

• Mixing any foreign object in blower

motor

• Blower motor fan breakage
• Blower motor rotation inferiority

HAC-83, "Component Inspec-
tion (Blower Motor)"

• Memory function does not operate normally.
• The setting is not maintained. (It returns to initial condi-

tion)

• A/C auto amp. battery power supply

circuit

• A/C auto amp.

HAC-75, "A/C AUTO AMP. : Di-
agnosis Procedure"

Symptom

Corresponding malfunction part

Check item/Reference

Revision: November 2015

2016 JUKE

HAC-88

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

INSUFFICIENT COOLING

INSUFFICIENT COOLING

Description

INFOID:0000000012200075

Symptom

• Insufficient cooling

• No cool air comes out. (Air flow volume is normal.)

Diagnosis Procedure

INFOID:0000000012200076

NOTE:

Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, per-

form the corresponding diagnosis.

CHECK MAGNET CLUTCH OPERATION

1. Turn ignition switch ON.

2. Operate fan control dial.

3. Press A/C switch.

4. Check that A/C indicator turns ON. Check visually and by sound that compressor operates.

5. Press A/C switch again.

6. Check that A/C indicator turns OFF. Check that compressor stops.
Is the inspection result normal?

YES

>> GO TO 2.

>> Perform diagnosis of “COMPRESSOR DOES NOT OPERATE” in “SYMPTOM DIAGNOSIS”.

Refer to

HAC-91, "Diagnosis Procedure"

CHECK DRIVE BELT

Check tension of drive belt. Refer to

EM-21, "Inspection"

Is the inspection result normal?

YES

>> GO TO 3.

>> Adjust or replace drive belt depending on the inspection results.

CHECK REFRIGERANT CYCLE PRESSURE

Connect recovery/recycling recharging equipment to the vehicle and perform pressure inspection with gauge.

Refer to

HA-25, "Symptom Table"

Is the inspection result normal?

YES

>> GO TO 4.

>> Repair or replace parts depending on the inspection results.

CHECK AIR LEAKAGE FROM EACH DUCT

Check duct and nozzle, etc. of the air conditioning system for leakage.
Is the inspection result normal?

YES

>> GO TO 5.

>> Repair or replace parts depending on the inspection results.

CHECK AMBIENT TEMPERATURE DISPLAY

Check that there is not much difference between actual ambient temperature and indicated temperature on

information display in combination meter.
Is the inspection result normal?

YES

>> GO TO 6.

>> Perform diagnosis for the A/C auto amp. connection recognition signal circuit. Refer to

MWI-58,

"Diagnosis Procedure"

CHECK SETTING OF TEMPERATURE SETTING TRIMMER

1. Check setting value of temperature setting trimmer. Refer to

HAC-50, "Temperature Setting Trimmer"

2. Check that temperature setting trimmer is set to “+ direction”.

NOTE:

The control temperature can be set with the setting of the temperature setting trimmer.

Revision: November 2015

2016 JUKE

INSUFFICIENT COOLING

HAC-89

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

HAC

3. Set difference between the set temperature and control temperature to “0”.
Is inspection result normal?

YES

>> INSPECTION END

>> Replace A/C auto amp. Refer to

HAC-93, "Removal and Installation"

Revision: November 2015

2016 JUKE

HAC-90

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

INSUFFICIENT HEATING

INSUFFICIENT HEATING

Description

INFOID:0000000012200077

Symptom

• Insufficient heating

• No warm air comes out. (Air flow volume is normal.)

Diagnosis Procedure

INFOID:0000000012200078

NOTE:

Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, per-

form the corresponding diagnosis.

CHECK COOLING SYSTEM

1. Check engine coolant level and check for leakage. Refer to

CO-10, "Inspection"

2. Check radiator cap. Refer to

CO-14, "RADIATOR CAP : Inspection"

3. Check water flow sounds of the engine coolant. Refer to

CO-11, "Refilling"

Is the inspection result normal?

YES

>> GO TO 2.

>> Refill engine coolant and repair or replace the parts depending on the inspection results.

CHECK HEATER HOSE

Check installation of heater hose by visually or touching.
Is the inspection result normal?

YES

>> GO TO 3.

>> Repair or replace parts depending on the inspection results.

CHECK HEATER CORE

1. Check temperature of inlet hose and outlet hose of heater core.

2. Check that inlet side of heater core is hot and the outlet side is slightly lower than/almost equal to the inlet

side.

CAUTION:

Always perform the temperature inspection in a short period of time because the engine coolant

temperature is very hot.

Is the inspection result normal?

YES

>> GO TO 4.

>> Replace heater core. Refer to

HA-46, "HEATER CORE : Removal and Installation"

CHECK AIR LEAKAGE FROM EACH DUCT

Check duct and nozzle, etc. of the air conditioning system for air leakage.
Is the inspection result normal?

YES

>> GO TO 5.

>> Repair or replace parts depending on the inspection results.

CHECK SETTING OF TEMPERATURE SETTING TRIMMER

1. Check setting value of temperature setting trimmer. Refer to

HAC-50, "Temperature Setting Trimmer"

2. Check that temperature setting trimmer is set to “

−

direction”.

NOTE:

The control temperature can be set by the temperature setting trimmer.

3. Set difference between the set temperature and control temperature to “0”.
Are the symptoms solved?

YES

>> INSPECTION END

>> Replace A/C auto amp. Refer to

HAC-93, "Removal and Installation"

Revision: November 2015

2016 JUKE

COMPRESSOR DOES NOT OPERATE

HAC-91

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

HAC

COMPRESSOR DOES NOT OPERATE

Description

INFOID:0000000012200079

SYMPTOM

Compressor does not operate.

Diagnosis Procedure

INFOID:0000000012200080

NOTE:

• Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, per-

form the corresponding diagnosis.

• Check that refrigerant is enclosed in cooler cycle normally. If refrigerant amount is shortage from proper

amount, perform the inspection of refrigerant leakage.

CHECK MAGNET CLUTCH OPERATION

Check magnet clutch. Refer to

HAC-85, "Component Function Check"

Does it operate normally?

YES

>> GO TO 2.

>> Repair or replace malfunctioning parts.

CHECK REFRIGERANT PRESSURE SENSOR

Check refrigerant pressure sensor. Refer to

EC-568, "Component Function Check"

Is the inspection result normal?

YES

>> GO TO 3.

>> Repair or replace malfunctioning parts.

CHECK A/C ON SIGNAL

Check A/C ON signal. Refer to

HAC-77, "Component Function Check"

Is inspection result normal?

YES

>> GO TO 4.

>> Repair or replace malfunctioning parts.

CHECK BLOWER FAN ON SIGNAL

Check blower fan ON signal. Refer to

HAC-79, "Component Function Check"

Is the inspection result normal?

YES

>> GO TO 5.

>> Repair or replace malfunctioning parts

CHECK BCM OUTPUT SIGNAL

With CONSULT

1. Select “DATA MONITOR” mode of “ENGINE” using CONSULT.

2. Select “AIR COND SIG” and “HEATER FAN SW”, and check status under the following conditions.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to

PCS-37, "Removal and Installation"

>> Replace BCM. Refer to

BCS-94, "Removal and Installation"

Monitor item

Condition

Status

AIR COND SIG

A/C switch

OFF (A/C indicator: OFF)

Off

ON (A/C indicator: ON)

HEATER FAN SW

Blower motor

OFF

Off

Revision: November 2015

2016 JUKE

HAC-92

< REMOVAL AND INSTALLATION >

[AUTOMATIC AIR CONDITIONING]

CONTROLLER

REMOVAL AND INSTALLATION

CONTROLLER

Removal and Installation

INFOID:0000000012200081

REMOVAL

Remove multi display unit. Refer to

IP-13, "Removal and Installation"

INSTALLATION

Install in the reverse order of removal.

Revision: November 2015

2016 JUKE

Content .. 429 430 431 432 ..