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
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.
Discharge air temperature does not
change.
Go to Adjustment for Air Mix Door.
Intake door does not change.
Go to Trouble Diagnosis Procedure for Intake Door Motor.
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.
High-level ventilator door motor
does not operate normally.
Blower motor operation is malfunc-
tioning.
Go to Trouble Diagnosis Procedure for Blower Motor.
Magnet clutch does not engage.
Go to Trouble Diagnosis Procedure for Magnet Clutch.
Insufficient cooling
Go to Trouble Diagnosis Procedure for Insufficient Cooling.
Insufficient heating
Go to Trouble Diagnosis Procedure for Insufficient Heating.
Noise
Go to Trouble Diagnosis Procedure for Noise.
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