Nissan Juke F15. Instruction — part 876
A/C INDICATOR
HAC-139
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
6.
CHECK A/C INDICATOR CIRCUIT FOR SHORT
1. Turn ignition switch OFF.
2. Disconnect A/C control connector and BCM connector.
3. Check continuity between A/C control harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-94, "Removal and Installation"
NO
>> Repair harness or connector.
A/C control
—
Continuity
Connector
Terminal
M53
2
Ground
Not existed
HAC-140
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
BLOWER MOTOR
BLOWER MOTOR
Diagnosis Procedure
INFOID:0000000012200130
1.
CHECK SYMPTOM
Check symptom (A or B).
Which symptom is detected?
A
>> GO TO 2.
B
>> GO TO 7.
2.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 15A fuses (Nos. 14 and 16, located in fuse block (J/B)].
NOTE:
PG-80, "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 BLOWER MOTOR POWER SUPPLY
1. Disconnect blower motor connector.
2. Turn ignition switch ON.
3. Check voltage between blower motor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK BLOWER RELAY
1. Turn ignition switch OFF.
2. Check blower relay. Refer to
HAC-142, "Component Inspection (Blower Relay)"
.
Is the inspection result normal?
YES
>> Repair harness or connector between blower motor and fuse.
NO
>> Replace blower relay.
5.
CHECK FAN SWITCH GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect A/C control connector.
3. Check continuity between A/C control harness connector and ground.
Is the inspection result normal?
Symptom
A
Blower motor does not operate at any dial position
B
Blower motor does not operate at any dial position other than 4, or oper-
ation speed is not normal.
+
−
Voltage
Blower motor
Connector
Terminal
M39
1
Ground
Battery voltage
A/C control
—
Continuity
Connector
Terminal
M53
9
Ground
Existed
BLOWER MOTOR
HAC-141
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK FAN SWITCH 4 POSITION CIRCUIT FOR OPEN
Check continuity between A/C control harness connector and blower motor harness connector.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair the harness or connector.
7.
CHECK BLOWER FAN RESISTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect blower fan resistor connector.
3. Turn ignition switch ON.
4. Check voltage between blower fan resistor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair harness or connector between blower fan resistor and blower motor.
8.
CHECK BLOWER FAN RESISTOR
1. Turn the ignition switch OFF.
2. Check blower fan resistor. Refer to
HAC-142, "Component Inspection (Blower Fan Resistor)"
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace blower fan resistor. Refer to
HAC-154, "Removal and Installation"
9.
CHECK FAN SWITCH 1, 2, 3 POSITION CIRCUIT FOR OPEN
Check continuity between A/C control harness connector and blower fan resistor.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair harness or connector.
10.
CHECK FAN SWITCH
Check fan switch. Refer to
HAC-142, "Component Inspection (Fan Switch)"
Is the inspection result normal?
YES
>> Replace blower motor. Refer to
VTL-14, "Removal and Installation"
.
NO
>> Replace A/C control. Refer to
HAC-151, "Removal and Installation"
A/C control
Blower motor
Continuity
Connector
Terminal
Connector
Terminal
M53
13
M39
2
Existed
+
−
Voltage
Blower fan resistor
Connector
Terminal
M346
4
Ground
Battery voltage
A/C control
Blower fan resistor
Continuity
Connector
Terminal
Connector
Terminal
M53
10
M346
1
Existed
11
2
12
3
HAC-142
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
BLOWER MOTOR
Component Inspection (Blower Motor)
INFOID:0000000012200131
1.
CHECK BLOWER MOTOR
1. Remove blower motor. Refer to
VTL-14, "Removal and Installation"
2. Check that there is not any mixing foreign object in the blower motor.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace blower motor. Refer to
VTL-14, "Removal and Installation"
.
2.
CHECK BLOWER MOTOR
Check that there is not breakage or damage in the blower motor.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace blower motor. Refer to
VTL-14, "Removal and Installation"
.
3.
CHECK BLOWER MOTOR
Check that blower motor turns smoothly.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower motor. Refer to
VTL-14, "Removal and Installation"
.
Component Inspection (Blower Relay)
INFOID:0000000012200132
1.
CHECK BLOWER RELAY
1. Remove blower relay. Refer to
PG-81, "Fuse and Fusible Link Arrangement"
.
2. Check continuity between blower relay terminal 3 and 5 when
the voltage is supplied between terminal 1 and 2.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower relay.
Component Inspection (Blower Fan Resistor)
INFOID:0000000012200133
1.
CHECK BLOWER FAN RESISTOR
1. Disconnect blower fan resistor connector.
2. Check resistance between blower fan resistor terminals. Refer to applicable table for the normal value.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower fan resistor. Refer to
HAC-154, "Removal and Installation"
Component Inspection (Fan Switch)
INFOID:0000000012200134
1.
CHECK FAN SWITCH
Terminal
Voltage
Continuity
3
5
ON
Existed
OFF
Not existed
JSIIA1551ZZ
Terminal
Resistance:
Ω
(Approx.)
4
3
0.43
2
1.03
1
3
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