Nissan Qashqai (2007-2010). Manual - part 952

HAC-168

< COMPONENT DIAGNOSIS >

[MANUAL AIR CONDITIONER]

PTC HEATER

Check continuity between terminal 3 and 5.

Terminal

Condition

Continuity

3 and 5

12V direct current supply between terminal 1 and 2

Exist

No current supply

Not exist

PBIB0098E

POWER SUPPLY AND GROUND CIRCUIT FOR HEATER CONTROL PANEL

HAC-169

< COMPONENT DIAGNOSIS >

[MANUAL AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

POWER SUPPLY AND GROUND CIRCUIT FOR HEATER CONTROL PAN-
EL

Description

INFOID:0000000001115374

COMPONENT DESCRIPTION

Heater Control Panel

Power Supply and Ground Circuit for Heater Control Panel

Component Function Check

INFOID:0000000001115375

1.

CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK

1.

Turn fan control dial to the desired (1 to 4 speed) position.

2.

Press A/C switch.

3.

A/C switch indicator will turn ON. Confirm that the magnet clutch engages (sound or visual inspection).

Does magnet clutch engaged?

YES

>> END.

NO

>> Go to Diagnosis Procedure. Refer to 

HAC-169, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001115376

1.

CHECK POWER SUPPLY CIRCUIT FOR HEATER CONTROL PANEL

1.

Disconnect heater control panel connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

1.

Heater control panel

JPIIA0032ZZ

JSIIA0305GB

(+)

(-)

Ignition switch position

Heater control panel

—

OFF

ACC

ON

Connector

Terminal

M54

1

Ground

Approx. 0 V

Approx. 0 V

Battery voltage

HAC-170

< COMPONENT DIAGNOSIS >

[MANUAL AIR CONDITIONER]

POWER SUPPLY AND GROUND CIRCUIT FOR HEATER CONTROL PANEL

2.

CHECK FUSE

Check 10A fuses [Nos. 4, located in the fuse block (J/B)]. Refer to 

PG-110, "Fuse, Connector and Terminal

Arrangement"

.

Is the inspection result normal?

YES

>> Check harness for open circuit. Repair or replace if necessary.

NO

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

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

>> Replace heater control panel.

NO

>> Repair harness or connector.

Heater control panel

—

Continuity

Connector

Terminal

M54

20

Ground

Continuity should exist

MANUAL AIR CONDITIONER SYSTEM

HAC-171

< COMPONENT DIAGNOSIS >

[MANUAL AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

MANUAL AIR CONDITIONER SYSTEM

Wiring Diagram — AIR CONDITIONER CONTROL SYSTEM —

INFOID:0000000001109245

JCIWA0042GB