Nissan Rogue. Manual — part 763
HAC-74
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B24B4 A/C CONTROL
YES
>> Replace A/C switch. Refer to
HAC-102, "Removal and Installation"
NO
>> Repair harness or connector.
B24B6 A/C CONTROL
HAC-75
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B24B6 A/C CONTROL
DTC Logic
INFOID:0000000011276619
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” of “HVAC”.
3. Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000011276620
Regarding Wiring Diagram information, refer to
1.
CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
1. Using CONSULT, perform “Self Diagnostic Result” of “HVAC”.
2. Check if any DTC No. is displayed in the self-diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
(U1010).
Is any DTC No. displayed?
YES
>> Perform diagnosis for the applicable DTC. Refer to
NO
>> GO TO 2.
2.
CHECK A/C SWITCH COMMUNICATION CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect the A/C switch and the A/C auto amp. connectors.
3. Check continuity between A/C switch harness connector and A/C auto amp. harness connector.
4. Check continuity between A/C switch harness connector and ground.
Is the inspection result normal?
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
B24B6
A/C CONTROL COMM
When A/C auto amp. is not transmitting
or receiving communication signal for 2
or more seconds.
• A/C switch
• A/C auto amp.
• Harness and connector
(Communication line is open or short-
ed)
A/C switch
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M51
8
M54
33
Yes
A/C switch
—
Continuity
Connector
Terminal
M51
8
Ground
No
HAC-76
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B24B6 A/C CONTROL
YES
>> Replace A/C switch. Refer to
HAC-102, "Removal and Installation"
NO
>> Repair harness or connector.
B24B7 INTAKE DOOR MOTOR
HAC-77
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B24B7 INTAKE DOOR MOTOR
DTC Logic
INFOID:0000000011276621
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 mode door motors DTC (B24B7 – B24B9) are detected, there is probably a disconnected connector or an
open circuit in mode door motor drive power supply harness.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Start engine.
2. Select “Self Diagnostic Result” of “HVAC”.
3. Check DTC.
Is DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000011276622
Regarding Wiring Diagram information, refer to
1.
CHECK INTAKE DOOR MOTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect intake door motor connector.
3. Turn ignition switch ON.
4. Check voltage between intake door motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK INTAKE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between intake door motor harness connector and A/C auto amp. harness connector.
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
B24B7
INTAKE DOOR MOTOR
Short or open circuit of intake door motor drive
signal.
• Intake door motor
• A/C auto amp.
• Harness or connectors
(The motor circuit is open or short-
ed.)
+
−
Voltage
(Approx.)
Intake door motor
Connector
Terminal
M147
2
Ground
Battery voltage
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