Nissan Juke (2012 year). Service Repair Manual — part 146

HAC-114

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

A/C SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between A/C control harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR SHORT

Check continuity between A/C control harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-141, "Removal and Installation"

.

NO

>> Repair harness or connector.

A/C control

BCM

Continuity

Connector

Terminal

Connector

Terminal

M53

1

M65

27

Existed

A/C control

—

Continuity

Connector

Terminal

M53

1

Ground

Not existed

Revision: 2011 October

2012 JUKE

BLOWER FAN ON SIGNAL

HAC-115

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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BLOWER FAN ON SIGNAL

Component Function Check

INFOID:0000000007577682

1.

CHECK BLOWER FAN ON SIGNAL

With CONSULT

1.

Turn ignition switch ON.

2.

Select “AIR CONDITIONER” of “BCM” using CONSULT.

3.

Select “FAN ON SIG” in “DATA MONITOR” mode, and check status under the following condition.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to

HAC-115, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000007577683

1.

CHECK FAN SWITCH POWER SUPPLY SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect A/C control harness connector.

3.

Turn ignition switch ON.

4.

Check output waveform between A/C control and ground with using oscilloscope.

Is the inspection result normal?

YES

>> Replace A/C control. Refer to

HAC-134, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK BLOWER FAN ON SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity A/C control harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK BLOWER FAN ON SIGNAL CIRCUIT FOR SHORT

Check continuity between A/C control harness connector and ground.

Monitor item

Condition

Status

FAN ON SIG

Fan control dial

Except OFF position

On

OFF position

Off

+

−

Output waveform

A/C control

Connector

Terminal

M53

14

Ground

PIIB7730J

A/C control

BCM

Continuity

Connector

Terminal

Connector

Terminal

M53

14

M65

28

Existed

Revision: 2011 October

2012 JUKE

HAC-116

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER FAN ON SIGNAL

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-141, "Removal and Installation"

.

NO

>> Repair harness or connector.

A/C control

—

Continuity

Connector

Terminal

M53

14

Ground

Not existed

Revision: 2011 October

2012 JUKE

THERMO CONTROL AMPLIFIER

HAC-117

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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THERMO CONTROL AMPLIFIER

Component Function Check

INFOID:0000000007577684

1.

CHECK A/C ON SIGNAL

With CONSULT

1.

Turn ignition switch ON.

2.

Select “AIR CONDITIONER” of “BCM” using CONSULT.

3.

Select “THERMO AMP” in “DATA MONITOR” mode, and check status under the following condition.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to

HAC-117, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000007577685

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check 10A fuse (No. 15, located in fuse block (J/B)].
NOTE:
Refer to

PG-31, "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 THERMO CONTROL AMP. POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect thermo control amp. connector.

3.

Turn ignition switch ON.

4.

Check voltage between thermo control amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector between thermo control amp. and fuse.

3.

CHECK THERMO CONTROL AMP. GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Check continuity between thermo control amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

Monitor item

Condition

Status

THERMO AMP

Ignition switch

ON

On

OFF

Off

+

−

Voltage

Thermo control amp.

Connector

Terminal

M44

1

Ground

Battery voltage

Thermo control amp.

—

Continuity

Connector

Terminal

M44

3

Ground

Existed

Revision: 2011 October

2012 JUKE

HAC-118

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

THERMO CONTROL AMPLIFIER

4.

CHECK THERMO CONTROL AMP. SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between thermo control amp. harness connector and ground.

Is the inspection result normal?

YES

>> Replace thermo control amp. Refer to

HAC-135, "Removal and Installation"

.

NO

>> GO TO 5.

5.

CHECK THERMO CONTROL AMP. SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between thermo control amp. harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-141, "Removal and Installation"

.

NO

>> Repair harness or connector.

+

−

Voltage

(Approx.)

Thermo control amp.

Connector

Terminal

M44

2

Ground

12 V

Thermo control amp.

BCM

Continuity

Connector

Terminal

Connector

Terminal

M44

2

M65

26

Existed

Revision: 2011 October

2012 JUKE

DEFROSTER POSITION SIGNAL

HAC-119

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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DEFROSTER POSITION SIGNAL

Component Function Check

INFOID:0000000007577686

1.

CHECK DEFROSTER POSITION SIGNAL

With CONSULT

1.

Turn ignition switch ON.

2.

Select “AIR CONDITIONER” of “BCM” using CONSULT.

3.

Select “FR DEF SW” in “DATA MONITOR” mode, and check status under the following condition.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to

HAC-119, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000007577687

1.

CHECK MODE SWITCH POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect A/C control connector.

3.

Turn ignition switch ON.

4.

Check output waveform between A/C control harness connector and ground with using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK MODE SWITCH GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Check continuity between A/C control harness connector and ground.

Is the inspection result normal?

YES

>> Replace A/C control. Refer to

HAC-134, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK MODE SWITCH POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

Monitor item

Condition

Status

FR DEF SW

MODE dial

D/F or DEF

On

VENT, B/L or FOOT

Off

+

−

Output waveform

A/C control

Connector

Terminal

M52

18

Ground

JPMIA0012GB

A/C control

—

Continuity

Connector

Terminal

M52

19

Ground

Existed

Revision: 2011 October

2012 JUKE

HAC-120

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

DEFROSTER POSITION SIGNAL

3.

Check continuity between A/C control harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK MODE SWITCH POWER SUPPLY CIRCUIT FOR SHORT

Check continuity between A/C control harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-141, "Removal and Installation"

.

NO

>> Repair harness or connector.

A/C control

BCM

Continuity

Connector

Terminal

Connector

Terminal

M52

18

M65

31

Existed

A/C control

—

Continuity

Connector

Terminal

M52

18

Ground

Not existed

Revision: 2011 October

2012 JUKE

A/C INDICATOR

HAC-121

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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A/C INDICATOR

Diagnosis Procedure

INFOID:0000000007577688

1.

CHECK SYMPTOM

Check symptom.

A/C indicator does not turn ON>>GO TO 2.
A/C indicator does not turn OFF>>GO TO 6.

2.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check 10A fuse (No. 15, located in fuse block (J/B)].
NOTE:
Refer to

PG-31, "Fuse, Connector and Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

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

3.

CHECK A/C INDICATOR POWER SUPPLY

1.

Turn ignition switch ON.

2.

Check voltage between A/C control harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

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

4.

CHECK A/C INDICATOR CIRCUIT

Check voltage between A/C control harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace A/C control. Refer to

HAC-134, "Removal and Installation"

.

5.

CHECK A/C INDICATOR CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C control connector and BCM connector.

3.

Check continuity between A/C control harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-141, "Removal and Installation"

.

NO

>> Repair harness or connector.

+

−

Voltage

A/C control

Connector

Terminal

M53

7

Ground

Battery voltage

+

−

Voltage

(Approx.)

A/C control

Connector

Terminal

M53

2

Ground

12 V

A/C control

BCM

Continuity

Connector

Terminal

Connector

Terminal

M53

2

M66

63

Existed

Revision: 2011 October

2012 JUKE

HAC-122

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

A/C INDICATOR

6.

CHECK A/C INDICATOR CIRCUIT FOR SHORT

1.

Turn ignition switch OFF.

2.

Disconnect A/C control connector and BCM connector.

3.

Check continuity between A/C control harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-141, "Removal and Installation"

.

NO

>> Repair harness or connector.

A/C control

—

Continuity

Connector

Terminal

M53

2

Ground

Not existed

Revision: 2011 October

2012 JUKE

BLOWER MOTOR

HAC-123

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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BLOWER MOTOR

Diagnosis Procedure

INFOID:0000000007577689

1.

CHECK SYMPTOM

Check symptom (A or B).

Which symptom is detected?

A

>> GO TO 2.

B

>> GO TO 7.

2.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check 15A fuses (Nos. 14 and 16, located in fuse block (J/B)].
NOTE:
Refer to

PG-31, "Fuse, Connector and Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

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

3.

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 5.

NO

>> GO TO 4.

4.

CHECK BLOWER RELAY

1.

Turn ignition switch OFF.

2.

Check blower relay. Refer to

HAC-125, "Component Inspection (Blower Relay)"

.

Is the inspection result normal?

YES

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

NO

>> Replace blower relay.

5.

CHECK FAN SWITCH GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C control connector.

3.

Check continuity between A/C control harness connector and ground.

Is the inspection result normal?

Symptom

A

Blower motor does not operate at any dial position

B

Blower motor does not operate at any dial position other than 4, or oper-
ation speed is not normal.

+

−

Voltage

Blower motor

Connector

Terminal

M39

1

Ground

Battery voltage

A/C control

—

Continuity

Connector

Terminal

M53

9

Ground

Existed

Revision: 2011 October

2012 JUKE

HAC-124

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER MOTOR

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK FAN SWITCH 4 POSITION CIRCUIT FOR OPEN

Check continuity between A/C control harness connector and blower motor harness connector.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair the harness or connector.

7.

CHECK BLOWER FAN RESISTOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect blower fan resistor connector.

3.

Turn ignition switch ON.

4.

Check voltage between blower fan resistor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair harness or connector between blower fan resistor and blower motor.

8.

CHECK BLOWER FAN RESISTOR

1.

Turn the ignition switch OFF.

2.

Check blower fan resistor. Refer to

HAC-125, "Component Inspection (Blower Fan Resistor)"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace blower fan resistor. Refer to

HAC-137, "Removal and Installation"

.

9.

CHECK FAN SWITCH 1, 2, 3 POSITION CIRCUIT FOR OPEN

Check continuity between A/C control harness connector and blower fan resistor.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair harness or connector.

10.

CHECK FAN SWITCH

Check fan switch. Refer to

HAC-125, "Component Inspection (Fan Switch)"

.

Is the inspection result normal?

YES

>> Replace blower motor. Refer to

VTL-13, "Removal and Installation"

.

NO

>> Replace A/C control. Refer to

HAC-134, "Removal and Installation"

.

A/C control

Blower motor

Continuity

Connector

Terminal

Connector

Terminal

M53

13

M39

2

Existed

+

−

Voltage

Blower fan resistor

Connector

Terminal

M346

4

Ground

Battery voltage

A/C control

Blower fan resistor

Continuity

Connector

Terminal

Connector

Terminal

M53

10

M346

1

Existed

11

2

12

3

Revision: 2011 October

2012 JUKE

BLOWER MOTOR

HAC-125

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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Component Inspection (Blower Motor)

INFOID:0000000007577690

1.

CHECK BLOWER MOTOR

1.

Remove blower motor. Refer to

VTL-13, "Removal and Installation"

.

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-13, "Removal and Installation"

.

2.

CHECK BLOWER MOTOR

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace blower motor. Refer to

VTL-13, "Removal and Installation"

.

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-13, "Removal and Installation"

.

Component Inspection (Blower Relay)

INFOID:0000000007577691

1.

CHECK BLOWER RELAY

1.

Remove blower relay. Refer to

PG-32, "Fuse and Fusible Link 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.

Component Inspection (Blower Fan Resistor)

INFOID:0000000007577692

1.

CHECK BLOWER FAN RESISTOR

1.

Disconnect blower fan resistor connector.

2.

Check resistance between blower fan resistor terminals. Refer to applicable table for the normal value.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower fan resistor. Refer to

HAC-137, "Removal and Installation"

.

Component Inspection (Fan Switch)

INFOID:0000000007577693

1.

CHECK FAN SWITCH

Terminal

Voltage

Continuity

3

5

ON

Existed

OFF

Not existed

JSIIA1551ZZ

Terminal

Resistance:

Ω

(Approx.)

4

3

0.43

2

1.03

1

3

Revision: 2011 October

2012 JUKE

HAC-126

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER MOTOR

Check continuity between A/C control terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace A/C control. Refer to

HAC-134, "Removal and Installation"

.

Terminal

Condition

Continuity

Fan control dial po-

sition

9

10

1st

Existed

11

2nd

12

3rd

13

4th

Revision: 2011 October

2012 JUKE

MAGNET CLUTCH

HAC-127

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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MAGNET CLUTCH

Component Function Check

INFOID:0000000007577694

1.

CHECK MAGNET CLUTCH OPERATION

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

PCS-40, "Diagnosis Description"

.

Does it operate normally?

YES

>> INSPECTION END

NO

>> Refer to

HAC-127, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000007577695

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

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

PG-33, "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-29, "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-59, "Removal and Installation"

.

NO

>> Repair harness or connector.

IPDM E/R

Compressor

Continuity

Connector

Terminal

Connector

Terminal

E15

56

F17

1

Existed

Revision: 2011 October

2012 JUKE

HAC-128

< SYMPTOM DIAGNOSIS >

[MANUAL AIR CONDITIONING]

MANUAL AIR CONDITIONING SYSTEM

SYMPTOM DIAGNOSIS

MANUAL AIR CONDITIONING SYSTEM

Symptom Table

INFOID:0000000007577696

NOTE:
Perform self-diagnosis with CONSULT before performing the symptom diagnosis. If any malfunction result or
DTC is detected, perform the corresponding diagnosis.

Symptom

Corresponding malfunction part

Check item/Reference

• Blower motor does not operate at any dial position.
• Blower motor does not operate at any dial position other

than 4, or operation speed is not normal.

• Blower motor
• Blower motor power supply circuit
• The circuit between blower motor

and fan switch

• The circuit between blower motor

and blower fan resistor

• The circuit between blower fan re-

sistor and fan switch (A/C control)

• Blower fan resistor
• Fan switch (A/C control)

HAC-123, "Diagnosis Proce-
dure"

• A/C indicator does not turn ON.

(Compressor operates)

• A/C indicator does not turn OFF.

(Compressor stops)

• A/C indicator (A/C control) power

supply circuit

• The circuit between A/C indicator

(A/C control) and BCM

• A/C indicator (A/C control)
• BCM

HAC-121, "Diagnosis Proce-
dure"

Compressor does not operate.
(Blower motor operates)

• Magnet clutch
• The circuit between magnet clutch

and IPDM E/R

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

frigerant pressure sensor

• Refrigerant pressure sensor
• A/C ON signal circuit
• Blower fan ON signal circuit
• CAN communication line
• A/C control
• Thermo control amp.
• BCM

HAC-132, "Diagnosis Proce-
dure"

When the MODE dial is set to D/F or DEF, there is the com-
pressor does not operate. (A/C switch is normal)

• Defroster position signal circuit
• A/C control
• BCM

HAC-119, "Component Function
Check"

• 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

HAC-130, "Diagnosis Proce-
dure"

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

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

HAC-131, "Diagnosis Proce-
dure"

Noise is heard when the A/C
system operates.

During compressor op-
eration

Cooler cycle

HA-26, "Symptom Table"

During blower motor op-
eration

• Mixing any foreign object in blower

motor

• Blower motor fan breakage
• Blower motor rotation inferiority

HAC-125, "Component Inspec-
tion (Blower Motor)"

Discharge air temperature does not change.

• A/C control
• Air mix door cable
• Air mix door

Check the air mix door installa-
tion and door operation

Revision: 2011 October

2012 JUKE

MANUAL AIR CONDITIONING SYSTEM

HAC-129

< SYMPTOM DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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Air outlet does not change.

• A/C control
• Mode door cable
• Mode door

Check the mode door installa-
tion and door operation

Air inlet does not change.

• A/C control
• Intake door cable
• Intake door

Check the intake door installa-
tion and door operation

Symptom

Corresponding malfunction part

Check item/Reference

Revision: 2011 October

2012 JUKE