Murano Cross Cabriolet Z51 (2013 year). Manual — part 48
HAC-48
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
DTC Logic
INFOID:0000000008460669
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010.
.
• If all of door motors DTC (B2632, B2633, B2634, B2635, B2636, B2637, B2638, B2639, B263D, B263E,
B263F, B2654, B2655, B2661, B2662, and B2663) are detected, check “DOOR MOTOR” circuit. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000008460670
1.
CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between air mix door motor LH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor LH and A/C auto amp. connector.
3.
Check continuity between air mix door motor LH harness connector and ground.
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
B2632
DR AIR MIX DOOR MOT
Air mix door motor (driver side) PBR
position 95% or more
• Harness or connectors
[Air mix door motor (driver side) circuit
is open or shorted]
• Air mix door motor (driver side) system
installation condition
• Air mix door motor (driver side)
• A/C auto amp.
B2633
Air mix door motor (driver side) PBR
position 5% or less
+
−
Voltage
(Approx.)
Air mix door motor LH
Connector
Terminal
M306
1
Ground
12 V
Revision: 2012 October
2013 Murano CrossCabriolet
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
HAC-49
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) LAN SIGNAL
1.
Connect air mix door motor LH and A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Confirm output waveform between air mix door motor LH harness connector and ground using oscillo-
scope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 6.
4.
CHECK INSTALLATION OF AIR MIX DOOR MOTOR (DRIVER SIDE) SYSTEM
Check air mix door motor (driver side) system is properly installed. Refer to
Is the inspection result normal?
YES
>> Replace air mix door motor (driver side). Refer to
HAC-86, "AIR MIX DOOR MOTOR : Removal
.
NO
>> Repair or replace malfunctioning part.
5.
CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor LH and A/C auto amp. connector.
3.
Check continuity between air mix door motor LH harness connector and A/C auto amp. harness connec-
tor.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
6.
CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) LAN SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor LH and A/C auto amp. connector.
3.
Check continuity between air mix door motor LH harness connector and A/C auto amp. harness connec-
tor.
Air mix door motor LH
—
Continuity
Connector
Terminal
M306
2
Ground
Existed
+
−
Output waveform
Air mix door motor LH
Connector
Terminal
M306
3
Ground
SJIA1453J
Air mix door motor LH
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M306
1
M50
11
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
HAC-50
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
Air mix door motor LH
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M306
3
M50
10
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
HAC-51
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
DTC Logic
INFOID:0000000008460671
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010.
.
• If all of door motors DTC (B2632, B2633, B2634, B2635, B2636, B2637, B2638, B2639, B263D, B263E,
B263F, B2654, B2655, B2661, B2662, and B2663) are detected, check “DOOR MOTOR” circuit. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000008460672
1.
CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between air mix door motor RH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor RH and A/C auto amp. connector.
3.
Check continuity between air mix door motor RH harness connector and ground.
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
B2634
PASS AIR MIX DOOR MOT
Air mix door motor (passenger side)
PBR position 95% or more
• Harness or connectors
[Air mix door motor (passenger side)
circuit is open or shorted]
• Air mix door motor (passenger side)
system installation condition
• Air mix door motor (passenger side)
• A/C auto amp.
B2635
Air mix door motor (passenger side)
PBR position 5% or less
+
−
Voltage
(Approx.)
Air mix door motor RH
Connector
Terminal
M307
1
Ground
12 V
Revision: 2012 October
2013 Murano CrossCabriolet
HAC-52
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) LAN SIGNAL
1.
Connect air mix door motor RH and A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Confirm output waveform between air mix door motor RH harness connector and ground using oscillo-
scope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 6.
4.
CHECK INSTALLATION OF AIR MIX DOOR MOTOR (PASSENGER SIDE) SYSTEM
Check air mix door motor (passenger side) system is properly installed. Refer to
.
Is the inspection result normal?
YES
>> Replace air mix door motor (passenger side). Refer to
NO
>> Repair or replace malfunctioning part.
5.
CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor RH and A/C auto amp. connector.
3.
Check continuity between air mix door motor RH harness connector and A/C auto amp. harness connec-
tor.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
6.
CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) LAN SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor RH and A/C auto amp. connector.
3.
Check continuity between air mix door motor RH harness connector and A/C auto amp. harness connec-
tor.
Air mix door motor RH
—
Continuity
Connector
Terminal
M307
2
Ground
Existed
+
−
Output waveform
Air mix door motor RH
Connector
Terminal
M307
3
Ground
SJIA1453J
Air mix door motor RH
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M307
1
M50
11
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
HAC-53
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
Air mix door motor RH
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M307
3
M50
10
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
HAC-54
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
DTC Logic
INFOID:0000000008460673
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010.
.
• If all of door motors DTC (B2632, B2633, B2634, B2635, B2636, B2637, B2638, B2639, B263D, B263E,
B263F, B2654, B2655, B2661, B2662, and B2663) are detected, check “DOOR MOTOR” circuit. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000008460674
1.
CHECK MODE DOOR MOTOR POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between mode door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK MODE DOOR MOTOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
B2636
DR VENT DOOR FAIL
When the malfunctioning door position
is detected at VENT position
• Harness or connectors
(Mode door motor circuit is open or
shorted)
• Mode door motor system installation
condition
• Mode door motor
• A/C auto amp.
B2637
DR B/L DOOR FAIL
When the malfunctioning door position
is detected at B/L position
B2638
DR D/F1 DOOR FAIL
When the malfunctioning door position
is detected at FOOT position
B2639
DR DEF DOOR FAIL
When the malfunctioning door position
is detected at DEF position
B2654
D/F2 DOOR FAIL
When the malfunctioning door position
is detected at D/F position
B2655
B/L DOOR FAIL
When the malfunctioning door position
is detected at B/L position
+
−
Voltage
(Approx.)
Mode door motor
Connector
Terminal
M310
1
Ground
12 V
Revision: 2012 October
2013 Murano CrossCabriolet
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
HAC-55
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
2.
Disconnect mode door motor and A/C auto amp. connector.
3.
Check continuity between mode door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK MODE DOOR MOTOR LAN SIGNAL
1.
Connect mode door motor and A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Confirm output waveform between mode door motor harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 6.
4.
CHECK INSTALLATION OF MODE DOOR MOTOR SYSTEM
Check mode door motor system is properly installed. Refer to
.
Is the inspection result normal?
YES
>> Replace mode door motor. Refer to
HAC-87, "MODE DOOR MOTOR : Removal and Installation"
.
NO
>> Repair or replace malfunctioning part.
5.
CHECK MODE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect mode door motor and A/C auto amp. connector.
3.
Check continuity between mode door motor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
6.
CHECK MODE DOOR MOTOR LAN SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect mode door motor and A/C auto amp. connector.
3.
Check continuity between mode door motor harness connector and A/C auto amp. harness connector.
Mode door motor
—
Continuity
Connector
Terminal
M310
2
Ground
Existed
+
−
Output waveform
Mode door motor
Connector
Terminal
M310
3
Ground
SJIA1453J
Mode door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M310
1
M50
11
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
HAC-56
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
Mode door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M310
3
M50
10
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
B263D, B263E, B263F INTAKE DOOR MOTOR
HAC-57
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B263D, B263E, B263F INTAKE DOOR MOTOR
DTC Logic
INFOID:0000000008460675
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010.
.
• If all of door motors DTC (B2632, B2633, B2634, B2635, B2636, B2637, B2638, B2639, B263D, B263E,
B263F, B2654, B2655, B2661, B2662, and B2663) are detected, check “DOOR MOTOR” circuit. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000008460676
1.
CHECK INTAKE DOOR MOTOR POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between intake door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK INTAKE DOOR MOTOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect intake door motor and A/C auto amp. connector.
3.
Check continuity between intake door motor harness connector and ground.
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
B263D
FRE DOOR FAIL
When the malfunctioning intake door
position is detected at FRE position
• Harness or connectors
(Intake door motor circuit is open or
shorted)
• Intake door motor system installation
condition
• Intake door motor
• A/C auto amp.
B263E
20P FRE DOOR FAIL
When the malfunctioning intake door
position is detected at 20% FRE posi-
tion
B263F
REC DOOR FAIL
When the malfunctioning intake door
position is detected at REC position
+
−
Voltage
(Approx.)
Intake door motor
Connector
Terminal
M304
1
Ground
12 V
Revision: 2012 October
2013 Murano CrossCabriolet
HAC-58
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B263D, B263E, B263F INTAKE DOOR MOTOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK INTAKE DOOR MOTOR LAN SIGNAL
1.
Connect intake door motor and A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Confirm output waveform between intake door motor harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 6.
4.
CHECK INSTALLATION OF INTAKE DOOR MOTOR SYSTEM
Check intake door motor system is properly installed. Refer to
Is the inspection result normal?
YES
>> Replace intake door motor. Refer to
HAC-88, "INTAKE DOOR MOTOR : Removal and Installa-
.
NO
>> Repair or replace malfunctioning part.
5.
CHECK INTAKE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect intake door motor and A/C auto amp. connector.
3.
Check continuity between intake door motor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
6.
CHECK INTAKE DOOR MOTOR LAN SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect intake door motor and A/C auto amp. connector.
3.
Check continuity between intake door motor harness connector and A/C auto amp. harness connector.
Intake door motor
—
Continuity
Connector
Terminal
M304
2
Ground
Existed
+
−
Output waveform
Intake door motor
Connector
Terminal
M304
3
Ground
SJIA1453J
Intake door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M304
1
M50
11
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
B263D, B263E, B263F INTAKE DOOR MOTOR
HAC-59
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
Intake door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M304
3
M50
10
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
HAC-60
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B2661, B2662, B2663 UPPER VENTILATOR DOOR MOTOR
B2661, B2662, B2663 UPPER VENTILATOR DOOR MOTOR
DTC Logic
INFOID:0000000008460677
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010.
.
• If all of door motors DTC (B2632, B2633, B2634, B2635, B2636, B2637, B2638, B2639, B263D, B263E,
B263F, B2654, B2655, B2661, B2662, and B2663) are detected, check “DOOR MOTOR” circuit. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000008460678
1.
CHECK UPPER VENTILATOR DOOR MOTOR POWER SUPPLY
1.
Turn ignition switch ON.
2.
Check voltage between upper vent door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK UPPER VENTILATOR DOOR MOTOR GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect upper vent door motor and A/C auto amp. connector.
3.
Check continuity between upper vent door motor harness connector and ground.
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
B2661
UPPER VENT DOOR MOT
When the malfunctioning upper ventila-
tor door position is detected at OPEN
position
• Harness or connectors
(Upper ventilator door motor circuit is
open or shorted)
• Upper ventilator door motor system in-
stallation condition
• Upper ventilator door motor
• A/C auto amp.
B2662
When the malfunctioning upper ventila-
tor door position is detected at middle
position
B2663
When the malfunctioning upper ventila-
tor door position is detected at shut po-
sition
+
−
Voltage
(Approx.)
Upper vent door motor
Connector
Terminal
M308
1
Ground
12 V
Revision: 2012 October
2013 Murano CrossCabriolet
B2661, B2662, B2663 UPPER VENTILATOR DOOR MOTOR
HAC-61
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK UPPER VENTILATOR DOOR MOTOR LAN SIGNAL
1.
Connect upper vent door motor and A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Confirm output waveform between upper vent door motor harness connector and ground using oscillo-
scope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 6.
4.
CHECK INSTALLATION OF UPPER VENTILATOR DOOR MOTOR
Check upper ventilator door motor is properly installed. Refer to
.
Is the inspection result normal?
YES
>> Replace upper ventilator door motor. Refer to
HAC-88, "UPPER VENTILATOR DOOR MOTOR :
.
NO
>> Repair or replace malfunctioning part.
5.
CHECK UPPER VENTILATOR DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect upper vent door motor and A/C auto amp. connector.
3.
Check continuity between upper vent door motor harness connector and A/C auto amp. harness connec-
tor.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
6.
CHECK UPPER VENTILATOR DOOR MOTOR LAN SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect upper vent door motor and A/C auto amp. connector.
3.
Check continuity between upper vent door motor harness connector and A/C auto amp. harness connec-
tor.
Upper vent door motor
—
Continuity
Connector
Terminal
M308
2
Ground
Existed
+
−
Output waveform
Upper vent door motor
Connector
Terminal
M308
3
Ground
SJIA1453J
Upper vent door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M308
1
M50
11
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
HAC-62
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B2661, B2662, B2663 UPPER VENTILATOR DOOR MOTOR
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
Upper vent door motor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M308
3
M50
10
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
POWER SUPPLY AND GROUND CIRCUIT
HAC-63
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
A/C AUTO AMP.
A/C AUTO AMP. : Diagnosis Procedure
INFOID:0000000008460679
1.
CHECK SYMPTOM
Check symptom (A or B).
Which symptom is detected?
A
>> GO TO 2.
B
>> GO TO 5.
2.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10A fuse (No. 3 and 19, located in fuse block (J/B)].
NOTE:
Refer to
PG-33, "Fuse, Connector and Terminal Arrangement"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
3.
CHECK A/C AUTO AMP. IGNITION POWER SUPPLY AND ACC POWER SUPPLY
1.
Disconnect A/C auto amp. connector.
2.
Turn ignition switch ON.
3.
Check voltage between A/C auto amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector between A/C auto amp. and fuse.
4.
CHECK A/C AUTO AMP. GROUND CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Check continuity between A/C auto amp. harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-79, "Removal and Installation"
NO
>> Repair harness or connector.
Symptom
A
• Air conditioning does not activate.
• Air conditioning cannot be controlled.
• Operation status of air conditioning is not indicated on display.
B
• Memory function does not operate normally.
• The setting is not maintained. (It returns to the initial condition)
+
−
Voltage
A/C auto amp.
Connector
Terminal
M50
17
Ground
Battery voltage
20
A/C auto amp.
—
Continuity
Connector
Terminal
M50
19
Ground
Existed
39
Revision: 2012 October
2013 Murano CrossCabriolet
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