Nissan Rogue. Manual — part 786
HAC-166
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
B24BB LEFT AIR MIX DOOR MOTOR
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace air mix door motor. Refer to
HAC-186, "AIR MIX DOOR MOTOR : Removal and Installa-
.
Terminal
Resistance (
Ω)
(Approx.)
2
3
90
6
1
4
POWER SUPPLY AND GROUND CIRCUIT
HAC-167
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
FRONT A/C CONTROL
FRONT A/C CONTROL : Diagnosis Procedure
INFOID:0000000011276705
Regarding Wiring Diagram information, refer to
1.
CHECK FUSE
Check 10A fuse [No. 20, located in the fuse block (J/B)].
NOTE:
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit.
2.
CHECK FRONT AIR CONTROL POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect front air control connector.
3. Check voltage between front air control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK FRONT AIR CONTROL GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between front air control harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
+
−
Voltage
Front air control
Ignition switch position
Connector
Terminal
OFF
ACC
ON
M50
3
Ground
Approx. 0 V
Approx. 0 V
Battery voltage
Front air control
—
Continuity
Connector
Terminal
M50
19
Ground
Yes
HAC-168
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
FRONT BLOWER MOTOR
FRONT BLOWER MOTOR
Diagnosis Procedure
INFOID:0000000011276706
Regarding Wiring Diagram information, refer to
1.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 15A fuses [Nos. 17 and 27, located in fuse block (J/B)]
NOTE:
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit.
2.
CHECK FRONT BLOWER MOTOR POWER SUPPLY
1. Disconnect front blower motor connector.
2. Turn ignition switch ON.
3. Check voltage between front blower motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK FRONT BLOWER RELAY
1. Turn ignition switch OFF.
2. Check front blower relay. Refer to
HAC-171, "Component Inspection (Front Blower Relay)"
Is the inspection result normal?
YES
>> Repair harness or connector between front blower motor and fuse.
NO
>> Replace front blower relay.
4.
CHECK BLOWER MOTOR CONTROL CIRCUIT
1. Turn ignition switch OFF.
2. Connect front blower motor connector.
3. Disconnect variable blower control connector.
4. Turn ignition switch ON.
5. Check voltage between variable blower control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK FRONT BLOWER MOTOR CONTROL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
+
−
Voltage
(Approx.)
Front blower motor
Connector
Terminal
M144
1
Ground
Battery voltage
+
−
Voltage
(Approx.)
Variable blower control
Connector
Terminal
M146
1
Ground
Battery voltage
FRONT BLOWER MOTOR
HAC-169
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
2. Disconnect front blower motor connector.
3. Check continuity between variable blower control harness connector and front blower motor harness con-
nector.
Is the inspection result normal?
YES
>> Replace front blower motor. Refer to
VTL-16, "Removal and Installation"
NO
>> Repair harness or connector.
6.
CHECK VARIABLE BLOWER CONTROL GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Check continuity between variable blower control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair harness or connector.
7.
CHECK VARIABLE BLOWER CONTROL SIGNAL CIRCUIT
1. Turn blower control dial fully counterclockwise to the OFF position
2. While turning the blower control dial clockwise, through each detent, check voltage between variable
blower control and ground.
Variable blower control
Front blower motor
Continuity
Connector
Terminal
Connector
Terminal
M146
1
M144
2
Yes
Variable blower control
—
Continuity
Connector
Terminal
M146
3
Ground
Yes
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