Nissan Qashqai (2007-2010). Manual — part 922

HAC-48

< COMPONENT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

MODE DOOR MOTOR

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace auto amp.

4.

CHECK SIGNAL FOR AUTO AMP.

Confirm A/C LAN signal between auto amp. harness connector M53 terminal 3 and ground using an oscillo-
scope.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace auto amp.

5.

CHECK POWER SUPPLY FOR MODE DOOR MOTOR

Check voltage between mode door motor harness connector M310 terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK SIGNAL FOR MODE DOOR MOTOR

Confirm A/C LAN signal between mode door motor harness connector M310 terminal 3 and ground using an
oscilloscope.

(+)

(

−

)

Voltage

Auto amp.

—

Connector

Terminal

M53

20

Ground

Battery voltage

(+)

(

−

)

Voltage

Auto amp.

—

Connector

Terminal

M53

3

Ground

SJIA1453J

(+)

(

−

)

Voltage

Mode door motor

—

Connector

Terminal

M310

1

Ground

Battery voltage

MODE DOOR MOTOR

HAC-49

< COMPONENT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair harness or connector.

7.

CHECK MODE DOOR MOTOR GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect mode door motor connector.

3.

Check continuity between mode door motor harness connector M310 terminal 2 and ground.

Is the inspection result normal?

YES

>> Replace mode door motor.

NO

>> Repair harness or connector.

8.

PERFORM SELF-DIAGNOSIS STEP-4

Perform self-diagnosis STEP-4. Refer to

HAC-27, "Diagnosis Description"

, see No. 1 to 6.

Is it operated normally?

YES

>> END.

NO

>> GO TO 9.

9.

CHECK MODE DOOR CONTROL LINKAGE

Check mode door control linkage.

Is it installed normally?

YES

>> Refer to

VTL-35, "Exploded View"

.

NO

>> Repair or adjust control linkage.

(+)

(

−

)

Voltage

Mode door motor

—

Connector

Terminal

M310

3

Ground

SJIA1453J

Mode door motor

—

Continuity

Connector

Terminal

M310

2

Ground

Continuity should exist

HAC-50

< COMPONENT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

HIGH-LEVEL VENTILATOR DOOR MOTOR

HIGH-LEVEL VENTILATOR DOOR MOTOR

Description

INFOID:0000000000955128

COMPONENT DESCRIPTION

High-level Ventilator Door Motor

The high-level ventilator door motor (1) are attached to the A/C unit assembly. It rotates so that air is dis-
charged from the outlet set by the auto amp. Motor rotation is conveyed to a link which activates the high-level
ventilator door.
LHD models

RHD models

Component Function Check

INFOID:0000000000955129

1.

CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK

1.

Press high-level ventilator switch.

2.

High-level ventilator switch indicator turn ON.

3.

Confirm that discharge air comes out high-level ventilator.

Is the inspection result normal?

YES

>> END.

NO

>> Go to diagnosis procedure. Refer to

HAC-50, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000955130

1.

PERFORM SELF-DIAGNOSIS STEP-3

Perform self-diagnosis STEP-3. Refer to

HAC-27, "Diagnosis Description"

, see No. 1 to 4.

Does code No. 30 appear on the display?

YES

>> GO TO 7.

NO-1

>> Code No. 33, 34, 35 or 36 appear on the display: Go to mode door motor circuit. Refer to

HAC-47,

"Diagnosis Procedure"

.

NO-2

>> Code No. 37, 38 or 39 appear on the display: Go to Intake Door Motor Circuit. Refer to

HAC-59,

"Diagnosis Procedure"

.

NO-3

>> Code No. 31 or 32 appear on the display: GO TO 2.

2.

CHECK POWER SUPPLY FOR AUTO AMP.

1.

Turn ignition switch ON.

:

Vehicle front

JPIIA0024ZZ

:

Vehicle front

JPIIA0025ZZ

HIGH-LEVEL VENTILATOR DOOR MOTOR

HAC-51

< COMPONENT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

2.

Check voltage between auto amp. harness connector M53 terminal 20 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace auto amp.

3.

CHECK SIGNAL FOR AUTO AMP.

Confirm A/C LAN signal between auto amp. harness connector M53 terminal 3 and ground using an oscillo-
scope.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace auto amp.

4.

CHECK POWER SUPPLY FOR HIGH-LEVEL VENTILATOR DOOR MOTOR

Check voltage between high-level ventilator door motor harness connector M44 terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK SIGNAL FOR HIGH-LEVEL VENTILATOR DOOR MOTOR

Confirm A/C LAN signal between high-level ventilator door motor harness connector M44 terminal 3 and
ground using an oscilloscope.

(+)

(

−

)

Voltage

Auto amp.

—

Connector

Terminal

M53

20

Ground

Battery voltage

(+)

(

−

)

Voltage

Auto amp.

—

Connector

Terminal

M53

3

Ground

SJIA1453J

(+)

(

−

)

Voltage

High-level VENT door motor

—

Connector

Terminal

M44

1

Ground

Battery voltage