Nissan Qashqai J11. Manual — part 1116
HAC-100
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B24BB LEFT AIR MIX DOOR MOTOR
B24BB LEFT AIR MIX DOOR MOTOR
DTC Logic
INFOID:0000000010432219
DTC DETECTION LOGIC
POSSIBLE CAUSE
[CIRCUIT SHORT TO BATTERY]
• Harness and connector [Air mix door motor (driver side) circuit is shorted to battery] (LHD models)
• Harness and connector [Air mix door motor (passenger side) circuit is shorted to battery] (RHD models)
• Air Mix door motor
• A/C auto amp.
[CIRC SHORT TO GRND OR OPEN]
• Harness and connector [Air mix door motor (driver side) circuit is open or shorted to ground] (LHD models)
• Harness and connector [Air mix door motor (passenger side) circuit is open or shorted to ground] (RHD
models)
• Air mix door motor
• A/C auto amp.
FAIL-SAFE
—
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
HAC-100, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010432220
1.
CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]
POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor LH connector.
3.
Turn ignition switch ON.
4.
Check voltage between air mix door motor LH harness connector and ground for several seconds after
operating the temperature control dial (driver side) while DUAL switch is OFF.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B24BB
LEFT AIR MIX DOOR MOTOR
(Left side air mix door motor)
[CIRCUIT SHORT TO BATTERY]
Detect short to battery circuit of air mix door
motor [driver side (LHD models), passenger
side (RHD models)] circuits.
[CIRC SHORT TO GRND OR OPEN]
Detect open or short to ground circuit of air mix
door motor [driver side (LHD models), passen-
ger side (RHD models)] circuits.
+
−
Voltage
Air mix door motor LH
Connector
Terminal
M352
2
Ground
11 - 14 V
B24BB LEFT AIR MIX DOOR MOTOR
HAC-101
< 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 4.
NO
>> GO TO 2.
2.
CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]
POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect 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
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]
POWER SUPPLY CIRCUIT FOR SHORT
Check continuity between air mix door motor LH harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-129, "Removal and Installation"
.
NO
>> Repair harness or connector.
4.
CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]
DRIVE SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect 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
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]
DRIVE SIGNAL CIRCUIT FOR SHORT
1.
Check continuity between air mix door motor LH harness connector and ground.
Air mix door motor LH
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M352
2
M140
40
Existed
Air mix door motor LH
—
Continuity
Connector
Terminal
M352
2
Ground
Not existed
Air mix door motor LH
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M352
1
M140
1
Existed
3
2
4
21
6
22
HAC-102
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B24BB LEFT AIR MIX DOOR MOTOR
2.
Check voltage between air mix door motor LH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]
Check air mix door motor [driver side (LHD models), passenger side (RHD models)]. Refer to
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-129, "Removal and Installation"
.
NO
>> Replace air mix door motor [driver side (LHD models), passenger side (RHD models)]. Refer to
HAC-138, "AIR MIX DOOR MOTOR : Removal and Installation"
Component Inspection
INFOID:0000000010432221
1.
CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]
1.
Remove air mix door motor [driver side (LHD models), passenger side (RHD models)]. Refer to
"AIR MIX DOOR MOTOR : Removal and Installation"
.
2.
Check resistance between air mix door motor [driver side (LHD models), passenger side (RHD models)]
terminals. Refer to applicable table for the normal value.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace air mix door motor [driver side (LHD models), passenger side (RHD models)]. Refer to
HAC-138, "AIR MIX DOOR MOTOR : Removal and Installation"
Air mix door motor LH
—
Continuity
Connector
Terminal
M352
1
Ground
Not existed
3
4
6
+
−
Voltage
Air mix door motor LH
Connector
Terminal
M352
1
Ground
0 V
3
4
6
Terminal
Resistance (
Ω
)
(Approx.)
2
1
90
3
4
6
B24BD RIGHT AIR MIX DOOR MOTOR
HAC-103
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B24BD RIGHT AIR MIX DOOR MOTOR
DTC Logic
INFOID:0000000010432225
DTC DETECTION LOGIC
POSSIBLE CAUSE
[CIRCUIT SHORT TO BATTERY]
• Harness and connector [Air mix door motor (passenger side) circuit is shorted to battery] (LHD models)
• Harness and connector [Air mix door motor (driver side) circuit is shorted to battery] (RHD models)
• Air Mix door motor
• A/C auto amp.
[CIRC SHORT TO GRND OR OPEN]
• Harness and connector [Air mix door motor (passenger side) circuit is open or shorted to ground] (LHD mod-
els)
• Harness and connector [Air mix door motor (driver side) circuit is open or shorted to ground] (RHD models)
• Air mix door motor
• A/C auto amp.
FAIL-SAFE
—
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
HAC-103, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010432226
1.
CHECK AIR MIX DOOR MOTOR [PASSENGER SIDE (LHD MODELS), DRIVER SIDE (RHD MODELS)]
POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect air mix door motor RH connector.
3.
Turn ignition switch ON.
4.
Check voltage between air mix door motor RH harness connector and ground for several seconds after
operating the temperature control dial (driver side) while DUAL switch is OFF.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B24BD
RIGHT AIR MIX DOOR MOTOR
(Right side air mix door motor)
[CIRCUIT SHORT TO BATTERY]
Detect short to battery circuit of air mix door
motor [passenger side (LHD models), driver
side (RHD models)] circuits.
[CIRC SHORT TO GRND OR OPEN]
Detect open or short to ground circuit of air mix
door motor [passenger side (LHD models),
driver side (RHD models)] circuits.
+
−
Voltage
Air mix door motor RH
Connector
Terminal
M351
2
Ground
11 - 14 V
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