Nissan Qashqai (2007-2010). Manual - part 956

HAC-184

< ECU DIAGNOSIS >

[MANUAL AIR CONDITIONER]

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE)

Reference Value

INFOID:0000000001117189

VALUES ON THE DIAGNOSIS TOOL

Monitor Item

Condition

Value/Status

AIR COND SW

A/C switch OFF

Off

A/C switch ON

On

FAN ON SIG

Fan switch OFF

Off

Fan switch ON

On

IGN ON SW

Ignition switch OFF or ACC

Off

Ignition switch ON

On

BCM (BODY CONTROL MODULE)

HAC-185

< ECU DIAGNOSIS >

[MANUAL AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

TERMINAL LAYOUT

PHYSICAL VALUES

CAUTION:

• Check combination switch system terminal waveform under the loaded condition with lighting

switch, turn signal switch and wiper switch OFF is not to be fluctuated by being overloaded.

• Turn wiper intermittent dial position to 4 except when checking waveform or voltage of wiper inter-

mittent dial position. Wiper intermittent dial position can be confirmed on CONSULT -III. Refer to

BCS-26, "COMB SW : CONSULT-III Function (BCM - COMB SW)"

.

• BCM reads the status of the combination switch at 10ms internal normally. Refer to 

BCS-7, "System

Description"

.

JPMIA0145GB

HAC-186

< ECU DIAGNOSIS >

[MANUAL AIR CONDITIONER]

BCM (BODY CONTROL MODULE)

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

14

(L/R)

Ground

A/C switch

Output

A/C switch

Not pressed

Battery voltage

Pressed

0 V

15

(LG/B)

Ground

Fan switch

Output

Fan switch

OFF

Battery voltage

EXCEPT OFF

0 V

AIR CONDITIONER CONTROL

HAC-187

< SYMPTOM DIAGNOSIS >

[MANUAL AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

SYMPTOM DIAGNOSIS

AIR CONDITIONER CONTROL

Diagnosis Chart By Symptom

INFOID:0000000001070002

Symptom

Reference

Air outlet does not change.

Go to Adjustment for Mode Door.

VTL-65, "Exploded View"

Discharge air temperature does not 
change.

Go to Adjustment for Air Mix Door.

VTL-67, "Exploded View"

Intake door does not change.

Go to Trouble Diagnosis Procedure for Intake Door Motor.

HAC-150, "Diagnosis Proce-

dure"

Intake door motor does not operate 
normally.

High-level ventilator door does not 
change.

Go to Trouble Diagnosis Procedure for High-level Ventilator 
Door Motor.

HAC-147, "Diagnosis Proce-

dure"

High-level ventilator door motor 
does not operate normally.

Blower motor operation is malfunc-
tioning.

Go to Trouble Diagnosis Procedure for Blower Motor.

HAC-153, "Diagnosis Proce-

dure"

Magnet clutch does not engage.

Go to Trouble Diagnosis Procedure for Magnet Clutch.

HAC-157, "Diagnosis Proce-

dure"

Insufficient cooling

Go to Trouble Diagnosis Procedure for Insufficient Cooling.

HAC-188, "Inspection proce-

dure"

Insufficient heating

Go to Trouble Diagnosis Procedure for Insufficient Heating.

HAC-189, "Inspection proce-

dure"

Noise

Go to Trouble Diagnosis Procedure for Noise.

HAC-191, "Inspection proce-

dure"