Nissan Cube. Manual — part 581
HAC-162
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
DEFROSTER POSITION SIGNAL
YES
>> GO TO 3.
NO
>> Repair the harness or connector.
3.
CHECK CONTINUITY BETWEEN A/C CONTROL AND GROUND
Check continuity between A/C control harness connector and the ground.
Is inspection result normal?
YES
.
NO
>> Repair the harness or connector.
A/C control
—
Continuity
Connector
Terminal
M53
6
Ground
Not existed
A/C INDICATOR
HAC-163
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
A/C INDICATOR
Component Function Check
INFOID:0000000009951084
1.
PERFORM AUTO ACTIVE TEST OF A/C INDICATOR
With CONSULT
1.
Select the “AIR COND IND” on “ACTIVE TEST” in BCM.
2.
Check the A/C indicator status.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
HAC-163, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009951085
1.
DEFINE THE MALFUNCTION
Define the A/C indicator malfunction.
A/C indicator dose not turn ON>>GO TO 2.
A/C indicator dose not turn OFF>>GO TO 6.
2.
CHECK FUSE
Check 10A fuse [No. 16, located in the fuse block (J/B)].
NOTE:
Refer to
PG-77, "Fuse, Connector and Terminal Arrangement"
.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Replace fuse after repairing the applicable circuit.
3.
CHECK VOLTAGE BETWEEN A/C CONTROL POWER SUPPLY
1.
Turn the ignition switch ON.
2.
Check voltage between A/C control harness connector and the ground.
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Repair the harness or connector between A/C control and fuse.
4.
CHECK VOLTAGE BETWEEN A/C CONTROL AND GROUND
Check voltage between A/C control harness connector and the ground.
Is inspection result normal?
YES
>> GO TO 5.
NO
>> Replace the A/C control (A/C indicator).
On
: A/C indicator ON
Off
: A/C indicator OFF
(+)
(
−
)
Voltage
A/C control
—
Connector
Terminal
M53
14
Ground
Battery voltage
(+)
(
−
)
Voltage
(Approx.)
A/C control
—
Connector
Terminal
M53
13
Ground
12 V
HAC-164
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
A/C INDICATOR
5.
CHECK CONTINUITY BETWEEN A/C CONTROL AND BCM
1.
Turn the ignition switch OFF.
2.
Disconnect the A/C control connector.
3.
Disconnect the BCM connector.
4.
Check continuity between A/C control harness connector and BCM harness connector.
With Intelligent Key
Without Intelligent Key
Is inspection result normal?
YES
>> GO TO 6.
NO
>> Repair the harness or connector.
6.
CHECK CONTINUITY BETWEEN A/C CONTROL AND GROUND
1.
Check continuity between A/C control harness connector and the ground.
Is inspection result normal?
YES
.
NO
>> Repair the harness or connector.
A/C control
BCM
Continuity
Connector
Terminal
Connector
Terminal
M53
13
M71
72
Existed
A/C control
BCM
Continuity
Connector
Terminal
Connector
Terminal
M53
13
M66
50
Existed
A/C control
—
Continuity
Connector
Terminal
M53
13
Ground
Not existed
BLOWER FAN ON SIGNAL
HAC-165
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
BLOWER FAN ON SIGNAL
Component Function Check
INFOID:0000000009951086
1.
CHECK BLOWER FAN ON SIGNAL
With CONSULT
1.
Turn the ignition switch ON.
2.
Select the “FAN ON SIG” on “DATA MONITOR” in BCM.
3.
Check the fan ON signal when the fan control dial is operated.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
HAC-165, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009951087
1.
CHECK BLOWER FAN ON SIGNAL OUTPUT
1.
Turn the ignition switch OFF.
2.
Disconnect the fan switch connector.
3.
Turn the ignition switch ON.
4.
Check output waveform between fan switch harness connector and the ground with using oscilloscope.
Is inspection result normal?
YES
>> Replace the fan switch (A/C control).
NO
>> GO TO 2.
2.
CHECK CONTINUITY BETWEEN FAN SWITCH AND BCM
1.
Turn the ignition switch OFF.
2.
Disconnect the BCM connector.
3.
Check continuity between fan switch harness connector and BCM harness connector.
With Intelligent Key
Monitor item
Condition
Status
FAN ON SIG
Fan control dial
OFF position
Off
Except OFF position
On
(+)
(
−
)
Output waveform
Fan switch
—
Connector
Terminal
M73
6
Ground
Approx. 1.5
∼
2.0 V
PIIB7730J
Fan switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
M73
6
M68
28
Existed
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