Nissan Juke F15. Instruction — part 874
A/C SWITCH
HAC-131
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between A/C control harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR SHORT
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
BCM
Continuity
Connector
Terminal
Connector
Terminal
M53
1
M65
27
Existed
A/C control
—
Continuity
Connector
Terminal
M53
1
Ground
Not existed
HAC-132
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
BLOWER FAN ON SIGNAL
BLOWER FAN ON SIGNAL
Component Function Check
INFOID:0000000012200123
1.
CHECK BLOWER FAN ON SIGNAL
With CONSULT
1. Turn ignition switch ON.
2. Select “AIR CONDITIONER” of “BCM” using CONSULT.
3. Select “FAN ON SIG” in “DATA MONITOR” mode, and check status under the following condition.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
HAC-132, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000012200124
1.
CHECK FAN SWITCH POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Disconnect A/C control harness connector.
3. Turn ignition switch ON.
4. Check output waveform between A/C control and ground with using oscilloscope.
Is the inspection result normal?
YES
>> Replace A/C control. Refer to
HAC-151, "Removal and Installation"
.
NO
>> GO TO 2.
2.
CHECK BLOWER FAN ON SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity A/C control harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK BLOWER FAN ON SIGNAL CIRCUIT FOR SHORT
Check continuity between A/C control harness connector and ground.
Monitor item
Condition
Status
FAN ON SIG
Fan control dial
Except OFF position
On
OFF position
Off
+
−
Output waveform
A/C control
Connector
Terminal
M53
14
Ground
PIIB7730J
A/C control
BCM
Continuity
Connector
Terminal
Connector
Terminal
M53
14
M65
28
Existed
BLOWER FAN ON SIGNAL
HAC-133
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
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
14
Ground
Not existed
HAC-134
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
THERMO CONTROL AMPLIFIER
THERMO CONTROL AMPLIFIER
Component Function Check
INFOID:0000000012200125
1.
CHECK A/C ON SIGNAL
With CONSULT
1. Turn ignition switch ON.
2. Select “AIR CONDITIONER” of “BCM” using CONSULT.
3. Select “THERMO AMP” in “DATA MONITOR” mode, and check status under the following condition.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
HAC-134, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000012200126
1.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse (No. 15, located in fuse block (J/B)].
NOTE:
PG-80, "Fuse, Connector and Terminal Arrangement"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK THERMO CONTROL AMP. POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect thermo control amp. connector.
3. Turn ignition switch ON.
4. Check voltage between thermo control amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector between thermo control amp. and fuse.
3.
CHECK THERMO CONTROL AMP. GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Check continuity between thermo control amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
Monitor item
Condition
Status
THERMO AMP
Ignition switch
ON
On
OFF
Off
+
−
Voltage
Thermo control amp.
Connector
Terminal
M44
1
Ground
Battery voltage
Thermo control amp.
—
Continuity
Connector
Terminal
M44
3
Ground
Existed
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