Nissan Qashqai J11. Manual — part 1163
HAC-288
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL HEATER ]
BLOWER MOTOR
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair harness or connector.
Component Inspection (Blower Motor)
INFOID:0000000010499423
1.
CHECK BLOWER MOTOR-I
1.
Remove blower motor. Refer to
VTL-17, "Removal and Installation"
2.
Check that there is not any mixing foreign object in the blower motor.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace blower motor. Refer to
VTL-17, "Removal and Installation"
.
2.
CHECK BLOWER MOTOR-II
Check that there is not breakage or damage in the blower motor.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace blower motor. Refer to
VTL-17, "Removal and Installation"
.
3.
CHECK BLOWER MOTOR-III
Check that blower motor turns smoothly.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower motor. Refer to
VTL-17, "Removal and Installation"
.
Component Inspection (Blower Relay)
INFOID:0000000010499424
1.
CHECK BLOWER RELAY
1.
Remove blower relay. Refer to
PG-104, "Fuse, Connector and Terminal Arrangement"
2.
Check continuity between blower relay terminal 3 and 5 when
the voltage is supplied between terminal 1 and 2.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower relay.
Component Inspection (Fan Control Amp.)
INFOID:0000000010521152
1.
CHECK FAN CONTROL AMP.
1.
Remove fan control amp. Refer to
HAC-298, "Removal and Installation"
.
2.
Check continuity between fan control amp. terminals.
Fan control amp.
—
Voltage
Connector
Terminal
M181
2
Ground
0 V
Terminal
Voltage
Continuity
3
5
ON
Existed
OFF
Not existed
JSIIA1551ZZ
+
−
Continuity
Terminal
Terminal
1
3
Existed
3
1
Not existed
BLOWER MOTOR
HAC-289
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL HEATER ]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace fan control amp. Refer to
HAC-298, "Removal and Installation"
.
HAC-290
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL HEATER ]
PTC HEATER
PTC HEATER
Component Function Check
INFOID:0000000010499429
1.
CHECK PTC HEATER OPERATION
1.
Start the engine.
2.
Operate blower motor.
3.
Operate temperature control dial to full hot position.
4.
Check for warm air at discharge air outlet.
NOTE:
• Engine must be cold.
• Battery must be charged.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
HAC-290, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010499430
1.
CHECK FUSE AND FUSIBLE LINK
1.
Turn ignition switch OFF.
2.
Check 30 A fuses (Nos. 35, 36 and 40).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse is blown.
2.
CHECK PTC RELAY POWER SUPPLY
1.
Disconnect PTC relay connector.
2.
Turn ignition switch ON.
3.
Check voltage between PTC relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector between PTC relay and fuse.
3.
CHECK PTC RELAY CONTROL SIGNAL CIRCUIT FOR OPEN
1.
Disconnect BCM connector.
2.
Check continuity between PTC relay harness connector and BCM harness connector.
Is the inspection result normal?
Relay
+
−
Voltage
PTC relay
Connector
Terminal
1
E27
2
Ground
Battery voltage
3
2
E28
2
3
3
E29
2
3
PTC relay
BCM
Continuity
Relay
Connector
Terminal
Connector
Terminal
1
E27
1
E60
172
Existed
2
E28
173
3
E29
170
PTC HEATER
HAC-291
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL HEATER ]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK PTC HEATER POWER SUPPLY CIRCUIT FOR OPEN
Check continuity between PTC relay harness connector and PTC heater harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK PTC HEATER GROUND CIRCUIT FOR OPEN
Check continuity between PTC heater harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK PTC RELAY
Check PTC relay. Refer to
HAC-291, "Component Inspection (PTC Relay)"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace malfunctioning PTC relay.
7.
CHECK PTC HEATER
Check PTC heater. Refer to
HAC-292, "Component Inspection (PTC Heater)"
.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-135, "Removal and Installation"
.
NO
>> Replace PTC heater. Refer to
HAC-297, "Removal and Installation"
.
Component Inspection (PTC Relay)
INFOID:0000000010499431
1.
CHECK PTC RELAY
1.
Remove PTC relay.
2.
Check continuity between PTC relay terminals 3 and 5 when the
voltage is supplied between terminals 1 and 2.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace malfunctioning PTC relay.
PTC relay
PTC heater
Continuity
Relay
Connector
Terminal
Connector
Terminal
1
E27
5
E140
1
Existed
2
E28
3
3
E29
5
PTC heater
—
Continuity
Connector
Terminal
E140
2
Ground
Existed
4
Terminal
Voltage
Continuity
3
5
ON
Existed
OFF
Not existed
JSIIA1551ZZ
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