Nissan Rogue. Manual — part 783
HAC-154
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000011276690
Initial diagnosis of A/C auto amp.
DTC Logic
INFOID:0000000011276691
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF-DIAGNOSIS
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
HAC-154, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000011276692
1.
REPLACE FRONT AIR CONTROL
Replace front air control. Refer to
HAC-182, "Removal and Installation"
>> Inspection End.
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
U1010
CONTROL UNIT (CAN)
When detecting error during the initial diag-
nosis of CAN controller of front air control.
Front air control
B24A4 INTAKE SENSOR
HAC-155
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B24A4 INTAKE SENSOR
DTC Logic
INFOID:0000000011276693
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. Refer to
.
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
HAC-155, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000011276694
Regarding Wiring Diagram information, refer to
1.
CHECK INTAKE SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect intake sensor connector.
3. Turn ignition switch ON.
4. Check voltage between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK INTAKE SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between intake sensor harness connector and ground.
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
B24A4
INTAKE SENSOR
The intake sensor recognition temperature is
too high.
• Intake sensor
• A/C auto amp.
• Harness or connectors
(The sensor circuit is open or short-
ed.)
+
−
Voltage
(Approx.)
Intake sensor
Connector
Terminal
M135
1
Ground
5 V
HAC-156
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
B24A4 INTAKE SENSOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK INTAKE SENSOR
Check intake sensor. Refer to
HAC-156, "Component Inspection"
Is the inspection result normal?
YES
>> Replace front air control. Refer to
HAC-182, "Removal and Installation"
.
NO
>> Replace intake sensor. Refer to
HAC-183, "Removal and Installation"
4.
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect front air control connector.
3. Check continuity between intake sensor harness connector and front air control harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT TO GROUND
Check continuity between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT TO VOLTAGE
1. Turn ignition switch ON.
2. Check voltage between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace front air control. Refer to
HAC-182, "Removal and Installation"
.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000011276695
1.
CHECK INTAKE SENSOR
1. Turn ignition switch OFF.
2. Disconnect intake sensor connector.
Intake sensor
—
Continuity
Connector
Terminal
M135
2
Ground
Yes
Intake sensor
Front air control
Continuity
Connector
Terminal
Connector
Terminal
M135
1
M50
21
Yes
Intake sensor
—
Continuity
Connector
Terminal
M135
1
Ground
No
+
−
Voltage
(Approx.)
Intake sensor
Connector
Terminal
M135
1
Ground
0 V
B24A4 INTAKE SENSOR
HAC-157
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
3. Check resistance between intake sensor terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace intake sensor. Refer to
HAC-183, "Removal and Installation"
Terminal
Condition
Resistance: k
Ω
(Approx.)
Temperature:
°C (°F)
1
2
−15 (5)
17.73
−10 (14)
13.46
−5 (23)
10.33
0 (32)
8.00
5 (41)
6.25
10 (50)
4.93
15 (59)
3.92
20 (68)
3.14
25 (77)
2.54
30 (86)
2.06
35 (95)
1.69
40 (104)
1.39
45 (113)
1.15
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