Juke F15 (2012 year). Service Repair Manual — part 239

BLOWER MOTOR

HAC-79

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

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BLOWER MOTOR

Diagnosis Procedure

INFOID:0000000006545842

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check following fuses.

-

10A fuse [No. 15, located in fuse block (J/B)]

-

15A fuses [Nos. 14 and 16, located in fuse block (J/B)]

NOTE:
Refer to

PG-22, "Fuse, Connector and Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

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

2.

CHECK BLOWER MOTOR POWER SUPPLY

1.

Disconnect blower motor connector.

2.

Turn ignition switch ON.

3.

Check voltage between blower motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK BLOWER RELAY

1.

Turn ignition switch OFF.

2.

Check blower relay. Refer to

HAC-82, "Component Inspection (Blower Relay)"

.

Is the inspection result normal?

YES

>> Repair harness or connector between blower motor and fuse.

NO

>> Replace blower relay.

4.

CHECK BLOWER MOTOR CONTROL CIRCUIT

1.

Turn ignition switch OFF.

2.

Connect blower motor connector.

3.

Disconnect power transistor connector.

4.

Turn ignition switch ON.

5.

Check voltage between power transistor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK BLOWER MOTOR CONTROL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect blower motor connector.

3.

Check continuity between power transistor harness connector and blower motor harness connector.

+

−

Voltage

(Approx.)

Blower motor

Connector

Terminal

M39

1

Ground

Battery voltage

+

−

Voltage

(Approx.)

Power transistor

Connector

Terminal

M344

1

Ground

Battery voltage

HAC-80

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

BLOWER MOTOR

Is the inspection result normal?

YES

>> Replace blower motor. Refer to

VTL-15, "Removal and Installation (LHD models)"

or

VTL-16,

"Removal and Installation (RHD models)"

.

NO

>> Repair harness or connector.

6.

CHECK A/C AUTO AMP. IGNITION POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp.

3.

Turn ignition switch ON.

4.

Check voltage between A/C auto amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair harness or connector between A/C auto amp. and fuse.

7.

CHECK POWER TRANSISTOR IGNITION POWER SUPPLY

Check voltage between power transistor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair harness or connector between power transistor and fuse.

8.

CHECK POWER TRANSISTOR GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Check continuity between power transistor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair harness or connector.

9.

CHECK POWER TRANSISTOR CONTROL SIGNAL

1.

Connect blower motor connector and A/C auto amp. connector.

2.

Turn ignition switch ON.

3.

Set air outlet to VENT.

4.

Change fan speed from 1st – 7th, and check duty ratios between blower motor harness connector and
ground by using an oscilloscope.
NOTE:
Calculate the drive signal duty ratio as shown in the figure.

Power transistor

Blower motor

Continuity

Connector

Terminal

Connector

Terminal

M344

1

M39

2

Existed

+

−

Voltage

(Approx.)

A/C auto amp.

Connector

Terminal

M50

21

Ground

Battery voltage

+

−

Voltage

(Approx.)

Power transistor

Connector

Terminal

M344

4

Ground

Battery voltage

Power transistor

—

Continuity

Connector

Terminal

M344

3

Ground

Existed

BLOWER MOTOR

HAC-81

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

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T2 = Approx. 1.6 ms

Is the inspection result normal?

YES

>> Replace power transistor. Refer to

HAC-97, "Removal and Installation"

.

NO

>> GO TO 10.

10.

CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect power transistor connector and A/C auto amp. connector.

3.

Check continuity between power transistor harness connector and A/C auto amp. harness connector.

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Repair harness or connector.

11.

CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR SHORT

Check continuity between power transistor harness connector and ground.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to

HAC-91, "Removal and Installation"

.

NO

>> Repair harness or connector.

Component Inspection (Blower Motor)

INFOID:0000000006545843

1.

CHECK BLOWER MOTOR

1.

Remove blower motor. Refer to

VTL-15, "Removal and Installation (LHD models)"

or

VTL-16, "Removal

and Installation (RHD models)"

.

2.

Check that there is not any mixing foreign object in the blower motor.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace blower motor. Refer to

VTL-15, "Removal and Installation (LHD models)"

or

VTL-16,

"Removal and Installation (RHD models)"

.

2.

CHECK BLOWER MOTOR

Check that there is not breakage or damage in the blower motor.

+

−

Condition

Duty ratio

(Approx.)

Output waveform

Power transistor

Connector

Terminal

Fan speed (manual)

Air outlet: VENT

M344

2

Ground

1st

26%

2nd

34%

3rd

41%

4th

51%

5th

62%

6th

73%

7th

82%

JPIIA1646GB

Power transistor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M344

2

M50

13

Existed

Power transistor

—

Continuity

Connector

Terminal

M344

2

Ground

Not existed

HAC-82

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

BLOWER MOTOR

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace blower motor. Refer to

VTL-15, "Removal and Installation (LHD models)"

or

VTL-16,

"Removal and Installation (RHD models)"

.

3.

CHECK BLOWER MOTOR

Check that blower motor turns smoothly.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower motor. Refer to

VTL-15, "Removal and Installation (LHD models)"

or

VTL-16,

"Removal and Installation (RHD models)"

.

Component Inspection (Blower Relay)

INFOID:0000000006545844

1.

CHECK BLOWER RELAY

1.

Remove blower relay. Refer to

PG-22, "Fuse, Connector and Terminal Arrangement"

.

2.

Check continuity between blower relay terminal 3 and 5 when
the voltage is supplied between terminal 1 and 2.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower relay.

Terminal

Voltage

Continuity

3

5

ON

Existed

OFF

Not existed

JSIIA1551ZZ

MAGNET CLUTCH

HAC-83

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

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MAGNET CLUTCH

Component Function Check

INFOID:0000000006545846

1.

CHECK MAGNET CLUTCH OPERATION

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

PCS-12, "Diagnosis Description"

(with Intelligent Key) or

PCS-

43, "Diagnosis Description"

(without Intelligent Key).

Does it operate normally?

YES

>> INSPECTION END

NO

>> Refer to

HAC-83, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006545847

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check 10A fuse (No. 49, located in IPDM E/R).
NOTE:
Refer to

PG-25, "Fuse, Connector and Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

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

2.

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.

NO

>> Replace magnet clutch. Refer to

HA-88, "MAGNET CLUTCH : Removal and Installation of Com-

pressor Clutch"

.

3.

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-34, "Removal and Installation"

(with Intelligent Key) or

PCS-63,

"Removal and Installation"

(without Intelligent Key).

NO

>> Repair harness or connector.

IPDM E/R

Compressor

Continuity

Connector

Terminal

Connector

Terminal

E15

56

F17

1

Existed

HAC-84

< SYMPTOM DIAGNOSIS >

[TYPE 1]

AUTOMATIC AIR CONDITIONER SYSTEM

SYMPTOM DIAGNOSIS

AUTOMATIC AIR CONDITIONER SYSTEM

Symptom Table

INFOID:0000000006545848

NOTE:
Perform self-diagnoses with CONSULT-III 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-124, "Symptom Table"

Fail-safe does not acti-
vate

• A/C auto amp. ignition power supply

and ground circuit

• A/C auto amp.

HAC-73, "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-98, "Exploded View"

.

Air outlet does not change.

Mode door motor system installation
condition

Check mode door motor system
is properly installed. Refer to

HAC-98, "Exploded View"

.

Air inlet does not change.

Intake door motor system installation
condition

Check intake door motor system
is properly installed. Refer to

HAC-98, "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-79, "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-83, "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-86, "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-88, "Diagnosis Procedure"

AUTOMATIC AIR CONDITIONER SYSTEM

HAC-85

< SYMPTOM DIAGNOSIS >

[TYPE 1]

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Noise is heard when the A/C
system operates.

During compressor op-
eration

Cooler cycle

HA-85, "Symptom Table"

During blower motor op-
eration

• Mixing any foreign object in blower

motor

• Blower motor fan breakage
• Blower motor rotation inferiority

HAC-81, "Component Inspec-
tion (Blower Motor)"

• Memory function dose 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-73, "A/C AUTO AMP. : Di-
agnosis Procedure"

Symptom

Corresponding malfunction part

Check item/Reference

HAC-86

< SYMPTOM DIAGNOSIS >

[TYPE 1]

INSUFFICIENT COOLING

INSUFFICIENT COOLING

Description

INFOID:0000000006545849

Symptom

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

Diagnosis Procedure

INFOID:0000000006545850

NOTE:
Perform self-diagnoses with CONSULT-III before performing symptom diagnosis. If any DTC is detected, per-
form the corresponding diagnosis.

1.

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.

NO

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

Refer to

HAC-89, "Diagnosis Procedure"

.

2.

CHECK DRIVE BELT

Check tension of drive belt. Refer to

EM-20, "Checking"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

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

3.

CHECK REFRIGERANT CYCLE PRESSURE

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

HA-83, "Symptom Table"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

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

4.

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.

NO

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

5.

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.

NO

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

MWI-62,

"Diagnosis Procedure"

.

6.

CHECK SETTING OF TEMPERATURE SETTING TRIMMER

1.

Check setting value of temperature setting trimmer. Refer to

HAC-48, "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.

INSUFFICIENT COOLING

HAC-87

< SYMPTOM DIAGNOSIS >

[TYPE 1]

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3.

Set difference between the set temperature and control temperature to “0”.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Replace A/C auto amp. Refer to

HAC-91, "Removal and Installation"

.

HAC-88

< SYMPTOM DIAGNOSIS >

[TYPE 1]

INSUFFICIENT HEATING

INSUFFICIENT HEATING

Description

INFOID:0000000006545851

Symptom

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

Diagnosis Procedure

INFOID:0000000006545852

NOTE:
Perform self-diagnoses with CONSULT-III before performing symptom diagnosis. If any DTC is detected, per-
form the corresponding diagnosis.

1.

CHECK COOLING SYSTEM

1.

Check engine coolant level and check for leakage. Refer to

CO-11, "Inspection"

.

2.

Check radiator cap. Refer to

CO-15, "RADIATOR CAP : Inspection"

.

3.

Check water flow sounds of the engine coolant. Refer to

CO-12, "Refilling"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

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

2.

CHECK HEATER HOSE

Check installation of heater hose by visually or touching.

Is the inspection result normal?

YES

>> GO TO 3.

NO

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

3.

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.

NO

>> Replace heater core. Refer to

HA-116, "HEATER CORE : Removal and Installation"

.

4.

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.

NO

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

5.

CHECK SETTING OF TEMPERATURE SETTING TRIMMER

1.

Check setting value of temperature setting trimmer. Refer to

HAC-48, "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

NO

>> Replace A/C auto amp. Refer to

HAC-91, "Removal and Installation"

.

COMPRESSOR DOSE DOT OPERATE

HAC-89

< SYMPTOM DIAGNOSIS >

[TYPE 1]

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COMPRESSOR DOSE DOT OPERATE

Description

INFOID:0000000006545853

SYMPTOM

Compressor dose not operate.

Diagnosis Procedure

INFOID:0000000006545854

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

perform 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.

1.

CHECK MAGNET CLUTCH OPERATION

Check magnet clutch. Refer to

HAC-83, "Component Function Check"

.

Does it operate normally?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning parts.

2.

CHECK REFRIGERANT PRESSURE SENSOR

Check refrigerant pressure sensor. Refer to

EC-423, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace malfunctioning parts.

3.

CHECK A/C ON SIGNAL

Check A/C ON signal. Refer to

HAC-75, "Component Function Check"

.

Is inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace malfunctioning parts.

4.

CHECK BLOWER FAN ON SIGNAL

Check blower fan ON signal. Refer to

HAC-77, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace malfunctioning parts

5.

CHECK BCM OUTPUT SIGNAL

With CONSULT-III

1.

Select “DATA MONITOR” mode of “ECM” using CONSULT-III.

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-34, "Removal and Installation"

(with Intelligent Key) or

PCS-63,

"Removal and Installation"

(without Intelligent Key).

NO

>> Replace BCM. Refer to

BCS-93, "Removal and Installation"

(with Intelligent Key) or

BCS-161,

"Removal and Installation"

(without Intelligent Key).

Monitor item

Condition

Status

AIR COND SIG

A/C switch

OFF (A/C indicator: OFF)

Off

ON (A/C indicator: ON)

On

HEATER FAN SW

Blower motor

OFF

Off

ON

On

HAC-90

< REMOVAL AND INSTALLATION >

[TYPE 1]

CONTROLLER

REMOVAL AND INSTALLATION

CONTROLLER

Removal and Installation

INFOID:0000000006678687

REMOVAL

Remove multi display unit. Refer to

IP-13, "Removal and Installation"

.

INSTALLATION

Install in the reverse order of removal.

A/C AUTO AMP.

HAC-91

< REMOVAL AND INSTALLATION >

[TYPE 1]

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A/C AUTO AMP.

Removal and Installation

INFOID:0000000006545855

REMOVAL

1.

Remove audio unit. Refer to

AV-38, "Removal and Installation"

.

2.

Remove inside key antenna (instrument center). Refer to

DLK-188, "INSTRUMENT CENTER : Removal

and Installation"

.

3.

Remove fixing screws (A), and then remove A/C auto amp.

INSTALLATION

Install in the reverse order of removal.

JMIIA0894ZZ

HAC-92

< REMOVAL AND INSTALLATION >

[TYPE 1]

AMBIENT SENSOR

AMBIENT SENSOR

Removal and Installation

INFOID:0000000006545856

REMOVAL

1.

Remove bumper fascia assembly. Refer to

EXT-13, "Removal and Installation"

.

2.

Disengage fixing pawl, and then remove ambient sensor (1)
from air guide RH.

3.

Disconnect ambient sensor connector (2), and then remove
ambient sensor.

INSTALLATION

Install in the reverse order of removal.

: Pawl

JMIIA0895ZZ

IN-VEHICLE SENSOR

HAC-93

< REMOVAL AND INSTALLATION >

[TYPE 1]

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IN-VEHICLE SENSOR

Removal and Installation

INFOID:0000000006545857

REMOVAL

1.

Remove instrument lower panel (LH/RH). Refer to

IP-13, "Removal and Installation"

.

2.

Remove fixing screw, and then remove in-vehicle sensor from instrument lower panel (LH/RH).

INSTALLATION

Install in the reverse order of removal.

HAC-94

< REMOVAL AND INSTALLATION >

[TYPE 1]

SUNLOAD SENSOR

SUNLOAD SENSOR

Removal and Installation

INFOID:0000000006545858

REMOVAL

1.

Remove switch panel. Refer to

IP-13, "Removal and Installation"

.

2.

Disconnect sunload sensor connector, and then remove sunload sensor.

INSTALLATION

Install in the reverse order of removal.