Nissan Qashqai (2007-2010). Manual — part 947

HAC-148

< COMPONENT DIAGNOSIS >

[MANUAL AIR CONDITIONER]

HIGH-LEVEL VENTILATOR DOOR MOTOR

2.

Turn ignition switch ON.

3.

Check voltage between heater control panel harness connector M54 terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 6.

3.

CHECK GROUND CIRCUIT FOR HEATER CONTROL PANEL

1.

Turn ignition switch OFF.

2.

Check continuity between heater control panel harness connector M54 terminal 20 and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK POWER SUPPLY FOR HIGH-LEVEL VENTILATOR DOOR MOTOR

1.

Reconnect heater control panel connector.

2.

Turn ignition switch ON.

3.

Check voltage between high-level ventilator door motor harness connector M43 terminal 1 and 2.

Is the inspection result normal?

YES

>> Replace high-level ventilator door motor.

NO

>> GO TO 5.

5.

CHECK CIRCUIT CONTINUITY BETWEEN HEATER CONTROL PANEL AND HIGH-LEVEL VENTILATOR

DOOR MOTOR

1.

Turn ignition switch OFF.

2.

Disconnect heater control panel connector and high-level ventilator door motor connector.

3.

Check continuity between heater control panel harness connector M54 terminal 13 and high-level ventila-
tor door motor harness connector M43 terminal 1.

4.

Check continuity between heater control panel harness connector M54 terminal 14 and high-level ventila-
tor door motor harness connector M43 terminal 2.

Is the inspection result normal?

YES

>> Replace heater control panel.

(+)

(

−

)

Voltage

Heater control panel

—

Connector

Terminal

M54

1

Ground

Battery voltage

Heater control panel

—

Continuity

Connector

Terminal

M54

20

Ground

Continuity should exist

(+)

(

−

)

Condition

Voltage

High-level ventilator door motor

Connector

Terminal

Connector

Terminal

M43

1

M43

2

High-level ventilator

SW: ON

Approx. 12

2

1

High-level ventilator

SW: OFF

Heater control panel

High-level ventilator door motor

Continuity

Connector

Terminal

Connector

Terminal

M54

13

M43

1

Continuity should exist

14

2

HIGH-LEVEL VENTILATOR DOOR MOTOR

HAC-149

< COMPONENT DIAGNOSIS >

[MANUAL AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

NO

>> Repair harness or connector.

6.

CHECK FUSE

Check 10A fuse [No.4 located in the fuse block (J/B)]. Refer to

PG-110, "Fuse, Connector and Terminal

Arrangement"

.

Is the inspection result normal?

YES

>> Repair harness or connector.

NO

>> Replace fuse.

Component Inspection

INFOID:0000000001117102

HIGH-LEVEL VENTILATOR SWITCH

Check continuity between high-level ventilator switch (1) M52 termi-
nal 2and 3.

JSIIA0304ZZ

High-level ventilator switch

Condition

Continuity

Connector

Terminal

Connector

Terminal

M52

2

M52

3

High-level VENT SW: OFF

Continuity should not exist

High-level VENT SW: ON

Continuity should exist

HAC-150

< COMPONENT DIAGNOSIS >

[MANUAL AIR CONDITIONER]

INTAKE DOOR MOTOR

INTAKE DOOR MOTOR

Description

INFOID:0000000001069965

COMPONENT DESCRIPTION

Intake Door Motor

The intake door motor (1) is attached to the A/C unit assembly. It
rotates so that air is drawn from inlets set by the heater control
panel. Motor rotation is conveyed to a lever which activates the
intake door.

Component Function Check

INFOID:0000000001069966

1.

CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK

1.

Press REC switch.

2.

REC indicator should illuminate.

3.

Listen for intake door position change. (Slight change of blower sound can be heard.)

4.

Press REC switch again.

5.

REC indicator should not illuminate.

Is the inspection result normal?

YES

>> END.

NO

>> Go to diagnosis procedure. Refer to

HAC-150, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001069967

1.

CHECK INTAKE DOOR CONTROL LINKAGE

Check intake door control linkage.

Is it installed normally?

YES

>> GO TO 2.

NO

>> Repair or adjust control linkage.

2.

CHECK POWER SUPPLY FOR HEATER CONTROL PANEL

1.

Disconnect heater control panel connector.

2.

Turn ignition switch ON.

3.

Check voltage between heater control panel harness connector M54 terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 6.

3.

CHECK GROUND CIRCUIT FOR HEATER CONTROL PANEL

1.

Turn ignition switch OFF.

2.

Check continuity between heater control panel harness connector M54 terminal 20 and ground.

JPIIA0027ZZ

(+)

(

−

)

Voltage

Heater control panel

—

Connector

Terminal

M54

1

Ground

Battery voltage

INTAKE DOOR MOTOR

HAC-151

< COMPONENT DIAGNOSIS >

[MANUAL 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 4.

NO

>> Repair harness or connector.

4.

CHECK POWER SUPPLY FOR INTAKE DOOR MOTOR

1.

Reconnect heater control panel connector.

2.

Turn ignition switch ON.

3.

Check voltage between intake door motor harness connector M68 (LHD models) or M303 (RHD models)
terminal 1 and 2.

LHD models

RHD models

Is the inspection result normal?

YES

>> Replace intake door motor.

NO

>> GO TO 5.

5.

CHECK CIRCUIT CONTINUITY BETWEEN HEATER CONTROL PANEL AND INTAKE DOOR MOTOR

1.

Turn ignition switch OFF.

2.

Disconnect heater control panel connector and intake door motor connector.

3.

Check continuity between heater control panel harness connector M54 terminal 10 and intake door motor
harness connector M68 terminal 1 (LHD models) or M303 terminal 1 (RHD models).

4.

Check continuity between heater control panel harness connector M54 terminal 11 and intake door motor
harness connector M68 terminal 2 (LHD models) or M303 terminal 2 (RHD models).

LHD models

RHD models

Is the inspection result normal?

YES

>> Replace heater control panel.

NO

>> Repair harness or connector.

Heater control panel

—

Continuity

Connector

Terminal

M54

20

Ground

Continuity should exist

(+)

(

−

)

Condition

Voltage

Intake door motor

Connector

Terminal

Connector

Terminal

M68

2

M68

1

REC SW: ON

Approx. 12

1

2

REC SW: OFF

(+)

(

−

)

Condition

Voltage

Intake door motor

Connector

Terminal

Connector

Terminal

M303

2

M303

1

REC SW: ON

Approx. 12

1

2

REC SW: OFF

Heater control panel

Intake door motor

Continuity

Connector

Terminal

Connector

Terminal

M54

10

M68

1

Continuity should exist

11

2

Heater control panel

Intake door motor

Continuity

Connector

Terminal

Connector

Terminal

M54

10

M303

1

Continuity should exist

11

2