Nissan Qashqai J11. Manual - part 355

COOLING FAN

ECM-397

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

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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 

CO-47, "Exploded View"

.

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

Refer to 

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

Refer to 

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]

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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 

CO-47, "Exploded View"

.

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 

MWI-39, "DTC Index"

.

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.