Nissan Qashqai (2007-2010). Manual — part 924
HAC-56
< COMPONENT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
AIR MIX DOOR MOTOR
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair harness or connector.
8.
CHECK AIR MIX DOOR MOTOR (LEFT SIDE) GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor (left side) connector.
3.
Check continuity between air mix door motor (left side) harness connector M306 terminal 2 and ground.
Is the inspection result normal?
YES
>> Replace air mix door motor (left side).
NO
>> Repair harness or connector.
9.
CHECK AIR MIX DOOR MOTOR (RIGHT SIDE)
Check air mix door motor (right side). Refer to
.
Is it installed normally?
YES
>> GO TO 10.
NO
>> Replace air mix door motor (right side).
10.
CHECK POWER SUPPLY FOR AUTO AMP.
1.
Turn ignition switch ON.
2.
Check voltage between auto amp. harness connector M53 terminal 20 and ground.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Replace auto amp.
11.
CHECK SIGNAL FOR AUTO AMP.
Confirm A/C LAN signal between auto amp. harness connector M53 terminal 3 and ground using an oscillo-
scope.
(+)
(
−
)
Voltage
Air mix door motor (left side)
—
Connector
Terminal
M306
3
Ground
SJIA1453J
Air mix door motor (left side)
—
Continuity
Connector
Terminal
M306
2
Ground
Continuity should exist
(+)
(
−
)
Voltage
Auto amp.
—
Connector
Terminal
M53
20
Ground
Battery voltage
AIR MIX DOOR MOTOR
HAC-57
< 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 12.
NO
>> Replace auto amp.
12.
CHECK POWER SUPPLY FOR AIR MIX DOOR MOTOR (RIGHT SIDE)
Check voltage between air mix door motor (right side) harness connector M307 terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 13.
NO
>> Repair harness or connector.
13.
CHECK SIGNAL FOR AIR MIX DOOR MOTOR (RIGHT SIDE)
Confirm A/C LAN signal between air mix door motor (right side) harness connector M307 terminal 3 and
ground using an oscilloscope.
Is the inspection result normal?
YES
>> GO TO 14.
NO
>> Repair harness or connector.
14.
CHECK AIR MIX DOOR MOTOR (RIGHT SIDE) GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor (right side) connector.
3.
Check continuity between air mix door motor (right side) harness connector M307 terminal 2 and ground.
(+)
(
−
)
Voltage
Auto amp.
—
Connector
Terminal
M53
3
Ground
SJIA1453J
(+)
(
−
)
Voltage
Air mix door motor (right side)
—
Connector
Terminal
M307
1
Ground
Battery voltage
(+)
(
−
)
Voltage
Air mix door motor (right side)
—
Connector
Terminal
M307
3
Ground
SJIA1453J
Air mix door motor (right side)
—
Continuity
Connector
Terminal
M307
2
Ground
Continuity should exist
HAC-58
< COMPONENT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
AIR MIX DOOR MOTOR
Is the inspection result normal?
YES
>> Replace air mix door motor (right side).
NO
>> Repair harness or connector.
INTAKE DOOR MOTOR
HAC-59
< COMPONENT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
INTAKE DOOR MOTOR
Description
INFOID:0000000000954649
COMPONENT DESCRIPTION
Intake Door Motor
The intake door motor (1) is attached to the A/C unit. It rotates so
that air is drawn from inlets set by the auto amp. Motor rotation is
conveyed to a lever which activates the intake door.
Component Function Check
INFOID:0000000000954650
1.
CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK
1.
Press recirculation (REC) switch.
2.
REC indicator should illuminate.
3.
Listen for intake door position change. (Slight change of blower sound can be heard.)
4.
Press fresh (FRE) switch.
5.
FRE indicator should illuminate.
Is the inspection result normal?
YES
>> END.
NO
>> Go to diagnosis procedure. Refer to
Diagnosis Procedure
INFOID:0000000000954651
1.
PERFORM SELF-DIAGNOSIS STEP-2
Perform self-diagnosis STEP-2. Refer to
HAC-27, "Diagnosis Description"
, see No. 1 to 3.
Does code No. 20 appear on the display?
YES
>> GO TO 2.
NO
>> Go to appropriate malfunctioning sensor circuit. Refer to
HAC-27, "Diagnosis Description"
No. 11.
2.
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 3.
3.
CHECK INTAKE DOOR CONTROL LINKAGE
Check intake door control linkage.
Is it installed normally?
YES
>> GO TO 4.
NO
>> Repair or adjust control linkage.
4.
CHECK POWER SUPPLY FOR AUTO AMP.
1.
Turn ignition switch ON.
2.
Check voltage between auto amp. harness connector M53 terminal 20 and ground.
:
Vehicle front
JPIIA0027ZZ
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