Nissan Versa Note. Instruction — part 500
A/C ON SIGNAL
HAC-35
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
DTC/CIRCUIT DIAGNOSIS
A/C ON SIGNAL
Component Function Check
INFOID:0000000009540997
1.
CHECK A/C ON SIGNAL
With CONSULT
1. Turn ignition switch ON.
2. Operate front blower motor.
3. Select “AIR CONDITIONER” of “BCM” using CONSULT.
4. Select “AIR COND SW” in “DATA MONITOR” mode, and check status under the following condition.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009702393
1.
CHECK A/C SWITCH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect front air control connector.
3. Turn ignition switch ON.
4. Check output waveform between front air control harness connector and ground with using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK A/C SWITCH GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Check continuity between front air control harness connector and ground.
Is the inspection result normal?
YES
>> Check A/C switch. Refer to
HAC-36, "Component Inspection"
NO
>> Repair harness or connector.
Monitor item
Condition
Status
AIR COND SW
A/C switch
ON
On
OFF
Off
+
−
Output waveform
Front air control
Connector
Terminal
M33
13
Ground
JPMIA0012GB
Front air control
—
Continuity
Connector
Terminal
M33
6
Ground
Yes
HAC-36
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
A/C ON SIGNAL
3.
CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between front air 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 front air control harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-70, "Removal and Installation"
(without Intelligent Key).
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000009540999
1.
CHECK A/C CONTROL
Check continuity front air control terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace front air control. Refer to
HAC-56, "Removal and Installation"
.
Front air control
BCM
Continuity
Connector
Terminal
Connector
Terminal
M33
13
M18 (without Intelligent Key)
27
Yes
M97 (with Intelligent Key)
Front air control
—
Continuity
Connector
Terminal
M33
13
Ground
No
Terminal
Condition
Continuity
13
6
A/C switch: ON
Yes
BLOWER FAN ON SIGNAL
HAC-37
< 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:0000000009541000
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
Diagnosis Procedure
INFOID:0000000009541001
Regarding Wiring Diagram information, refer to
.
1.
CHECK BLOWER FAN ON SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front air control harness connector.
3. Turn ignition switch ON.
4. Check output waveform between front air control and ground with using oscilloscope.
Is the inspection result normal?
YES
>> Replace front air control. Refer to
HAC-56, "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 front air control harness connector and BCM harness connector.
Monitor item
Condition
Status
FAN ON SIG
Fan control dial
Except OFF position
On
OFF position
Off
+
−
Output waveform
Front air control
Connector
Terminal
M33
5
Ground
PKIB4960J
Front air control
BCM
Continuity
Connector
Terminal
Connector
Terminal
M33
5
M18 (without Intelligent Key system)
28
Yes
M97 (with Intelligent Key system)
HAC-38
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
BLOWER FAN ON SIGNAL
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 front air control harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-70, "Removal and Installation"
(without Intelligent Key).
NO
>> Repair harness or connector.
Front air control
—
Continuity
Connector
Terminal
M33
5
Ground
No
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