Nissan Juke F15. Manual — part 860
POWER SUPPLY AND GROUND CIRCUIT
HAC-75
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
A/C AUTO AMP.
A/C AUTO AMP. : Diagnosis Procedure
INFOID:0000000012200064
1.
CHECK SYMPTOM
Check symptom (A or B).
Which symptom is detected?
A
>> GO TO 2.
B
>> GO TO 5.
2.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse (No. 3).
NOTE:
PG-81, "Fuse and Fusible Link 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 A/C AUTO AMP. IGNITION POWER SUPPLY
1. Disconnect A/C auto amp. connector.
2. Turn ignition switch ON.
3. Check voltage between A/C auto amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector between A/C auto amp. and fuse.
4.
CHECK A/C AUTO AMP. GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Check continuity between A/C auto amp. harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-93, "Removal and Installation"
NO
>> Repair harness or connector.
5.
CHECK FUSE
Symptom
A
• Air conditioning system does not activate.
• Air conditioning system cannot be controlled.
• Operation status of air conditioning system is not indicated on display.
NOTE:
Fail-safe does not activate.
B
• Memory function does not operate normally.
• The setting is not maintained. (It returns to the initial condition)
+
−
Voltage
A/C auto amp.
Connector
Terminal
M50
11
Ground
Battery voltage
A/C auto amp.
—
Continuity
Connector
Terminal
M50
30
Ground
Existed
HAC-76
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
POWER SUPPLY AND GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check 10A fuse [No.13, located in fuse block (J/B)].
NOTE:
PG-80, "Fuse, Connector and Terminal Arrangement"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
6.
CHECK A/C AUTO AMP. BATTERY POWER SUPPLY
1. Disconnect A/C auto amp. connector.
2. Check voltage between A/C auto amp. harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-93, "Removal and Installation"
NO
>> Repair harness or connector between A/C auto amp. and fuse.
+
−
Voltage
A/C auto amp.
Connector
Terminal
M50
12
Ground
Battery voltage
A/C ON SIGNAL
HAC-77
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
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A
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HAC
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A/C ON SIGNAL
Component Function Check
INFOID:0000000012200065
1.
CHECK A/C ON SIGNAL
With CONSULT
1. Turn ignition switch ON.
2. Operate blower motor.
3. Select “AIR CONDITIONER” of “BCM” using CONSULT.
4. Select “AIR COND SW” in “DATA MONITOR” mode.
5. Check A/C ON signal when the A/C switch is operated.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000012200066
1.
CHECK A/C ON SIGNAL
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Turn ignition switch ON.
4. Check output waveform between A/C auto amp. harness connector and ground with using oscilloscope.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-93, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK A/C ON SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between A/C auto amp. harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
Monitor item
Condition
Status
AIR COND SW
A/C switch
ON (A/C indicator:
ON)
On
OFF (A/C indicator:
OFF)
Off
+
−
Output waveform
A/C auto amp.
Connector
Terminal
M50
15
Ground
JPMIA0012GB
A/C auto amp.
BCM
Continuity
Connector
Terminal
Connector
Terminal
M50
15
M68
27
Existed
HAC-78
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
A/C ON SIGNAL
NO
>> Repair harness or connector.
3.
CHECK A/C ON SIGNAL CIRCUIT FOR SHORT
Check continuity between A/C auto amp. 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 auto amp.
—
Continuity
Connector
Terminal
M50
15
Ground
Not existed
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