Nissan Qashqai J11. Manual — part 355
COOLING FAN
ECM-397
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
C
D
E
F
G
H
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A
ECM
N
P
O
4.
CHECK COOLING FAN MOTOR CIRCUIT-1
1.
Check the continuity between cooling fan relay-2 harness connector and cooling fan motor harness con-
nector.
2.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK COOLING FAN MOTOR CIRCUIT-2
1.
Check the continuity between IPDM E/R harness connector and cooling fan motor-2 harness connector.
2.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 6.
6.
CHECK COOLING FAN MOTOR CIRCUIT-3
1.
Disconnect cooling fan resistor.
2.
Check the continuity between cooling fan resistor harness connector and cooling fan motor harness con-
nector.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace error-detected parts.
7.
CHECK COOLING FAN MOTOR CIRCUIT-4
1.
Check the continuity between IPDM E/R harness connector and cooling fan resistor harness connector.
2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace error-detected parts.
8.
CHECK COOLING FAN RESISTOR
+
−
Continuity
Cooling fan relay-2
Cooling fan motor
Connector
Terminal
Connector
Terminal
F69
2
F39
1
Exisited
+
−
Continuity
IPDM E/R
Cooling fan motor
Connector
Terminal
Connector
Terminal
F88
69
F39
1
Existed
+
−
Continuity
Cooling fan resistor
Cooling fan motor
Connector
Terminal
Connector
Terminal
F68
2
F39
1
Existed
+
−
Continuity
IPDM E/R
Cooling fan resistor
Connector
Terminal
Connector
Terminal
F88
69
F68
1
Existed
ECM-398
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
COOLING FAN
Check cooling fan resistor. Refer to
ECM-399, "Component Inspection (Cooling Fan Resistor)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace cooling fan resistor. Refer to
9.
CHECK COOLING FAN MOTOR CIRCUIT-3
1.
Check the continuity between cooling fan motor harness connector and ground.
2.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace error-detected parts.
10.
CHECK COOLING FAN RELAY-2
ECM-399, "Component Inspection (Cooling Fan Relay)"
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Replace malfunctioning cooling fan relay.
11.
CHECK COOLING FAN MOTOR
ECM-398, "Component Inspection (Cooling Fan Motor)"
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Replace malfunctioning cooling fan motor. Refer to
CO-47, "Removal and Installation"
.
12.
CHECK INTERMITTENT INCIDENT
Perform
GI-41, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-67, "Removal and Installation"
NO
>> Repair or replace error-detected parts.
Component Inspection (Cooling Fan Motor)
INFOID:0000000010703083
1.
CHECK COOLING FAN MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect cooling fan motor harness connector.
3.
Supply cooling fan motor terminals with battery voltage and check operation.
Check that cooling fan speed of condition B is higher than that of A.
Is the inspection result normal?
+
−
Continuity
Cooling fan motor
Connector
Terminal
F39
2
Ground
Existed
Cooling fan motor
Condition
Terminal
+
–
1
3 and 4
A
2
3 and 4
1 and 2
3
1 and 2
4
1, 2
3, 4
B
COOLING FAN
ECM-399
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
C
D
E
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A
ECM
N
P
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YES
>> INSPECTION END
NO
>> Replace cooling fan motor. Refer to
CO-47, "Removal and Installation"
.
Component Inspection (Cooling Fan Relay)
INFOID:0000000010703084
1.
CHECK COOLING FAN RELAYS
1.
Turn ignition switch OFF.
2.
Remove cooling fan relay-2.
3.
Check the continuity between cooling fan relay-2 terminals as per the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace cooling fan relay.
Component Inspection (Cooling Fan Resistor)
INFOID:0000000010715435
1.
CHECK COOLING FAN RESISTOR
1.
Disconnect cooling fan resistor connector.
2.
Check resistance between cooling fan resistor terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace cooling fan resistor. Refer to
Cooling fan relay-2
Conditions
Continuity
+
−
Terminal
1
2
12V direct current supply between terminals 3 and 4
Existed
No current supply
Not existed
Cooling fan resistor
Resistance
+
−
Terminal
1
2
0.72 – 0.88
Ω
ECM-400
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
MALFUNCTION INDICATOR LAMP (MIL)
MALFUNCTION INDICATOR LAMP (MIL)
Component Function Check
INFOID:0000000010703085
1.
CHECK MIL FUNCTION
1.
Turn ignition switch ON.
2.
Check that MIL illuminates.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
ECM-400, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010703086
1.
CHECK DTC
Check that DTC UXXXX is not displayed.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform trouble diagnosis for DTC UXXXX. Refer to
ECM-148, "Diagnosis Procedure"
2.
CHECK COMBINATION METER FUNCTION
Perform self-diagnosis for combination meter. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform the trouble diagnosis for the detected DTC.
3.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-80, "Removal and Installation"
NO
>> Repair or replace malfunctioning part.
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