Nissan Versa Note. Manual — part 362

EC-430

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

COOLING FAN

CVT models

M/T models

5. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair open circuit or short to ground or short to power in harness or connectors.

2.

CHECK COOLING FAN RELAY CIRCUIT

1. Disconnect cooling fan relay harness connector.

2. Disconnect IPDM E/R harness connector.

3. Check the continuity between IPDM E/R harness connector and cooling fan relay harness connector.

4. Check the continuity between cooling fan relay harness connector and ground.

5. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair open circuit or short to ground or short to power in harness or connectors.

3.

CHECK COOLING FAN RELAY

Refer to

EC-431, "Component Inspection (Cooling Fan Relay)"

.

YES or NO

YES

>> GO TO 4.

NO

>> Replace cooling fan relay.

4.

CHECK COOLING FAN MOTOR

Refer to

EC-431, "Component Inspection (Cooling Fan Motor)"

.

YES or NO

YES

>> GO TO 5.

NO

>> Replace cooling fan motor. Refer to

CO-17, "Exploded View"

.

5.

CHECK INTERMITTENT INCIDENT

Perform

GI-41, "Intermittent Incident"

.

YES or NO

YES

>> Replace IPDM E/R. Refer to

PCS-31, "Removal and Installation"

(with I-Key),

PCS-60, "Removal

and Installation"

(without I-Key).

NO

>> Repair or replace harness or connector.

Cooling fan motor

Ground

Continuity

Connector

Terminal

E5

2

Ground

Existed

Cooling fan motor

Ground

Continuity

Connector

Terminal

E31

3

Ground

Existed

IPDM E/R

Cooling fan relay

Continuity

Connector

Terminal

Connector

Terminal

E46

65

E62

1

Existed

59

2

Cooling fan relay

Ground

Continuity

Connector

Terminal

E62

3

Ground

Existed

COOLING FAN

EC-431

< DTC/CIRCUIT DIAGNOSIS >

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Component Inspection (Cooling Fan Motor)

INFOID:0000000009020921

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.

CVT models

M/T models

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace cooling fan motor. Refer to

CO-17, "Exploded View"

.

Component Inspection (Cooling Fan Relay)

INFOID:0000000009020922

1.

CHECK COOLING FAN RELAY

1. Turn ignition switch OFF.

2. Remove cooling fan relay.

3. Check continuity between cooling fan relay terminals under the

following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace cooling fan relay.

Cooling fan motor

Operation

Connector

+

−

terminals

E5

1

2

Cooling fan motor operates

E32

3

4

Cooling fan motor

Operation

Connector

+

−

terminals

E31

2

3

Cooling fan motor operates

1

4

Cooling fan relay

Conditions

Continuity

terminals

3

5

12 V direct current supply between
terminals 1 and 2

Existed

No current supply

Not existed

JSBIA0671ZZ

EC-432

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

ELECTRICAL LOAD SIGNAL

ELECTRICAL LOAD SIGNAL

Description

INFOID:0000000009020923

The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred to

ECM through the CAN communication line.

Component Function Check

INFOID:0000000009020924

1.

CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION

1. Turn ignition switch ON.

2. Select “DATA MONITOR” mode with CONSULT.

3. Select “LOAD SIGNAL” and check indication under the following conditions.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Go to

EC-432, "Diagnosis Procedure"

.

2.

CHECK LIGHTING SWITCH FUNCTION

Check “LOAD SIGNAL” indication under the following conditions.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Go to

EC-432, "Diagnosis Procedure"

.

3.

CHECK HEATER FAN CONTROL SWITCH FUNCTION

Select “HEATER FAN SW” and check indication under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to

EC-432, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009020925

1.

INSPECTION START

Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to

EC-432, "Compo-

nent Function Check"

.

Which circuit is related to the incident?

Rear window defogger>>GO TO 2

Headlamp>>GO TO 3.

Heater fan>>GO TO 4.

2.

CHECK REAR WINDOW DEFOGGER SYSTEM

Perform trouble diagnosis of rear window defogger system. Refer to

DEF-17, "Work Flow"

.

Monitor item

Condition

Indication

LOAD SIGNAL Rear window defogger switch

ON

ON

OFF

OFF

Monitor item

Condition

Indication

LOAD SIGNAL Lighting switch

ON at 2nd position

ON

OFF

OFF

Monitor item

Condition

Indication

HEATER FAN SW Heater fan control switch

ON

ON

OFF

OFF

ELECTRICAL LOAD SIGNAL

EC-433

< DTC/CIRCUIT DIAGNOSIS >

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C

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EC

N

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>> INSPECTION END

3.

CHECK HEADLAMP SYSTEM

Perform trouble diagnosis of headlamp system. Refer to

EXL-66, "Work Flow"

.

>> INSPECTION END

4.

CHECK AIR CONDITIONING SYSTEM

Perform trouble diagnosis of air conditioning system. Refer to

HA-12, "Workflow"

.

>> INSPECTION END