Nissan Versa Note. Manual — part 502
A/C INDICATOR
HAC-43
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
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A
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HAC
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A/C INDICATOR
Diagnosis Procedure
INFOID:0000000009702733
1.
CHECK SYMPTOM
Check symptom (A or B).
Which symptom is detected?
A
>> GO TO 2.
B
>> GO TO 6.
2.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse (No. 21, located in fuse block (J/B)].
NOTE:
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace the blown fuse after repairing the affected circuit.
3.
CHECK A/C INDICATOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between front air control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector between front air control and fuse.
4.
CHECK A/C INDICATOR CIRCUIT
Check voltage between front air control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace front air control. Refer to
HAC-56, "Removal and Installation"
.
5.
CHECK A/C INDICATOR CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect front air control connector and BCM connector.
3. Check continuity between front air control harness connector and BCM harness connector.
Symptom
A
A/C indicator does not turn ON.
B
A/C indicator does not turn OFF.
+
−
Voltage
(Approx.)
Front air control
Connector
Terminal
M33
15
Ground
Battery voltage
+
−
Voltage
(Approx.)
Front air control
Connector
Terminal
M33
14
Ground
Battery voltage
HAC-44
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
A/C INDICATOR
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-70, "Removal and Installation"
(without Intelligent Key).
NO
>> Repair harness or connector.
6.
CHECK A/C INDICATOR CIRCUIT FOR SHORT
1. Turn ignition switch OFF.
2. Disconnect front air control connector and BCM connector.
3. 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
BCM
Continuity
Connector
Terminal
Connector
Terminal
M33
14
M98 (with Intelligent Key)
72
Yes
M19 (without Intelligent Key)
48
Front air control
—
Continuity
Connector
Terminal
M33
14
Ground
No
FRONT BLOWER MOTOR
HAC-45
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
FRONT BLOWER MOTOR
Description
INFOID:0000000009541003
The front blower motor utilizes a brush-less motor with a rotating magnet. Quietness is improved over previous
motors where the brush was the point of contact and the coil rotated.
Diagnosis Procedure
INFOID:0000000009541004
Regarding Wiring Diagram information, refer to
.
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. 20 and 22, located in fuse block (J/B)].
NOTE:
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace the blown fuse after repairing the affected circuit.
3.
CHECK FRONT BLOWER MOTOR POWER SUPPLY
1. Disconnect front blower motor connector.
2. Turn ignition switch ON.
3. Check voltage between front 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-47, "Component Inspection (Blower Relay)"
.
Is the inspection result normal?
YES
>> Repair harness or connector between front blower motor and fuse.
NO
>> Replace blower relay.
5.
CHECK FAN SWITCH GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
Symptom
A
Front blower motor does not operate at any dial position
B
Front blower motor does not operate at any dial position other than 4th,
or operation speed is not normal.
+
−
Voltage (V)
(Approx.)
Front blower motor
Connector
Terminal
M62
1
Ground
Battery voltage
HAC-46
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
FRONT BLOWER MOTOR
2. Disconnect front air control connector.
3. Check continuity between front air control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK FAN SWITCH 4TH POSITION CIRCUIT FOR OPEN
Check continuity between front air control harness connector and front blower motor harness connector.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair the harness or connector.
7.
CHECK FRONT BLOWER MOTOR RESISTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect front blower motor resistor connector.
3. Turn ignition switch ON.
4. Check voltage between front blower motor resistor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair harness or connector between front blower motor resistor and front blower motor.
8.
CHECK FAN SWITCH 1ST, 2ND, AND 3RD POSITION CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect front air control.
3. Check continuity between front air control harness connector and front blower motor resistor.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair harness or connector.
9.
CHECK FRONT BLOWER MOTOR RESISTOR
Check front blower motor resistor. Refer to
HAC-47, "Component Inspection (Front Blower Motor Resistor)"
Is the inspection result normal?
YES
>> GO TO 10.
Front air control
—
Continuity
Connector
Terminal
M33
6
Ground
Yes
Front air control
Front blower motor
Continuity
Connector
Terminal
Connector
Terminal
M33
1
M62
2
Yes
+
−
Voltage (V)
(Approx.)
Front blower motor resistor
Connector
Terminal
M151
3
Ground
Battery voltage
Front air control
Front blower motor resistor
Continuity
Connector
Terminal
Connector
Terminal
M33
2
M151
1
Yes
3
4
4
2
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