Nissan Rogue. Manual - part 768

 

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Nissan Rogue. Manual - part 768

 

 

HAC-94

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

A/C SWITCH ASSEMBLY
A/C SWITCH ASSEMBLY : Component Function Check

INFOID:0000000011276639

1.

CHECK OPERATION

1. Press the AUTO switch, and then check that “AUTO” is shown on the display. 

2. Operate the temperature control dial (driver side). Check that the fan speed or outlet changes. (The dis-

charge air temperature or fan speed varies depending on the ambient temperature, in-vehicle tempera-

ture, and temperature setting.) 

Does it operate normally?

YES

>> Inspection End.

NO

>> Perform trouble diagnosis for the A/C switch. Refer to 

HAC-94, "A/C SWITCH ASSEMBLY : Diag-

nosis Procedure"

.

A/C SWITCH ASSEMBLY : Diagnosis Procedure

INFOID:0000000011276640

Regarding Wiring Diagram information, refer to 

HAC-35, "Wiring Diagram"

.

1.

CHECK A/C SWITCH POWER SUPPLY

1. Disconnect the A/C switch connector.

2. Turn ignition switch ON. 

3. Check voltage between A/C switch harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK FUSE

Check 10A fuse [No. 20, located in the fuse block (J/B)].

NOTE:

Refer to 

PG-64, "Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace the blown fuse after repairing the affected circuit.

3.

CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR OPEN

1. Check continuity between A/C switch harness connector and fuse block (J/B) harness connector.

Is the inspection result normal?

YES

>> Inspection End. 

NO

>> Repair harness or connector.

4.

CHECK A/C SWITCH GROUND CIRCUIT

1. Turn ignition switch OFF.

(+)

(

−)

Voltage

(Approx.)

A/C switch

Connector

Terminal

M51

4

Ground

Battery voltage

A/C switch

Fuse block (J/B)

Continuity

Connector

Terminal

Connector

Terminal

M51

4

M34

16R

Yes

POWER SUPPLY AND GROUND CIRCUIT

HAC-95

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

2. Check continuity between A/C switch harness connector and ground. 

Is the inspection result normal?

YES

>> Replace the A/C switch. Refer to 

HAC-102, "Removal and Installation"

.

NO

>> Repair the harness or connectors.

A/C switch

Continuity

Connector

Terminal

M51

1

Ground

Yes

HAC-96

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

HEATER AND AIR CONDITIONING SYSTEM CONTROL SYMPTOMS

SYMPTOM DIAGNOSIS

HEATER AND AIR CONDITIONING SYSTEM CONTROL SYMPTOMS

Diagnosis Chart By Symptom

INFOID:0000000011276641

NOTE:

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

form the corresponding diagnosis.

Symptom

Corresponding malfunction part

Reference

• Air conditioning does not activate.
• Air conditioning cannot be controlled.
• Operation status of air conditioning is not indicated 

on display.

• A/C auto amp. ignition power supply 

circuit

• Front A/C control (A/C auto amp.)

HAC-56, "Diagnosis Procedure"

• Air outlet does not change.
• Mode door motor does not operate normally.

• Circuit between mode door motor 

and A/C auto amp. 

• Mode door motor control linkage
• Mode door motor
• A/C auto amp.

HAC-80, "Diagnosis Procedure"

• Discharge air temperature of driver side does not 

change.

• Air mix door motor LH does not operate normally.

• Circuit between air mix door motor 

LH and A/C auto amp. 

• Air mix door motor LH installation 

condition

• Air mix door motor LH
• A/C auto amp.

HAC-67, "Diagnosis Procedure"

• Discharge air temperature of passenger side does 

not change.

• Air mix door motor RH does not operate normally.

• Circuit between air mix door motor 

RH and A/C auto amp. 

• Air mix door motor RH installation 

condition

• Air mix door motor RH
• A/C auto amp.

HAC-70, "Diagnosis Procedure"

• Intake door does not change.
• Intake door motor does not operate normally.

• Circuit between intake door motor 

and A/C auto amp. 

• Intake door motor control linkage
• Intake door motor
• A/C auto amp.

HAC-77, "Diagnosis Procedure"

Blower motor operation is malfunctioning.

• Power supply system of front blower 

motor

• Circuit between front blower motor 

and A/C auto amp.

• Front blower motor
• A/C auto amp.

HAC-85, "Diagnosis Procedure"

A/C compressor does not operate.

• Circuit between magnet clutch and 

IPDM E/R

• Magnet clutch
• IPDM E/R (A/C relay)
• Circuit between ECM and refriger-

ant pressure sensor

• Refrigerant pressure sensor
• CAN communication circuit
• A/C auto amp.

HAC-91, "Diagnosis Procedure"

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

• Magnet clutch control system
• Drive belt slipping
• Refrigerant cycle
• ECV (electrical control valve)
• Air leakage from each duct
• A/C auto amp. connection recogni-

tion signal circuit

• Temperature setting trimmer (front)

HAC-98, "Diagnosis Procedure"

HEATER AND AIR CONDITIONING SYSTEM CONTROL SYMPTOMS

HAC-97

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

• Insufficient heating.
• No warm air comes out. (Air flow volume is nor-

mal.)

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

HAC-99, "Diagnosis Procedure"

Noise is heard when front 
air conditioning system op-
erates.

During A/C compres-
sor operation

Refrigerant cycle

HA-20, "Symptom Table"

During front blower 
motor operation

• Mixing any foreign object in front 

blower motor

• Front blower motor fan breakage
• Front blower motor rotation inferiori-

ty

HAC-88, "Component Inspection 
(Front Blower Motor)"

• Memory function does not operate.
• Setting temperature is not memorized.

• Battery power supply system of A/C 

auto amp.

• A/C auto amp.

HAC-56, "Diagnosis Procedure"

Symptom

Corresponding malfunction part

Reference

 

 

 

 

 

 

 

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