Nissan March K13. Manual - part 254

COOLING FAN

EC-477

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 2)]

C

D

E

F

G

H

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J

K

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M

A

EC

N

P

O

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

4.

CHECK COOLING FAN MOTOR

Refer to 

EC-477, "Component Inspection"

.

YES or NO

YES

>> GO TO 5.

NO

>> Replace cooling fan motor.

5.

CHECK INTERMITTENT INCIDENT

Perform 

XX-XX, "*****"

.

YES or NO

YES

>> Replace IPDM E/R. Refer to 

XX-XX, "*****"

 (WITH I-KEY) or 

XX-XX, "*****"

 (WITHOUT I-KEY).

NO 

>> Repair or replace harness or connector.

Component Inspection

INFOID:0000000006037458

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.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace cooling fan motor.

Cooling fan motor

Operation

Connector

terminals

(+)

(

−

)

E62

1

4

Cooling fan operates.

2

3

EC-478

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 2)]

ELECTRICAL LOAD SIGNAL

ELECTRICAL LOAD SIGNAL

Description

INFOID:0000000006037459

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:0000000006037460

1.

CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION

1.

Turn ignition switch ON.

2.

Select “DATA MONITOR” mode with CONSULT-III.

3.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Go to 

EC-478, "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-478, "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-478, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006037461

1.

INSPECTION START

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

EC-478, "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

Refer to 

XX-XX, "*****"

.

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-479

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 2)]

C

D

E

F

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EC

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O

>> INSPECTION END

3.

CHECK HEADLAMP SYSTEM

Refer to 

XX-XX, "*****"

.

>> INSPECTION END

4.

CHECK HEATER FAN CONTROL SYSTEM

Refer to 

XX-XX, "*****"

 (AUTOMATIC AIR CONDITIONING) or 

XX-XX, "*****"

 (MANUAL AIR CONDITION-

ING).

>> INSPECTION END

EC-480

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 2)]

EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

Component Function Check

INFOID:0000000005886624

1.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE FUNCTION

With CONSULT-III

1.

Turn ignition switch OFF.

2.

Disconnect the EVAP purge hose from EVAP canister purge volume control solenoid valve (EVAP canis-
ter side).

3.

Start engine and let it idle.

4.

Select “PURG VOL CONT/V” in “ACTIVE TEST” mode wit CONSULT-III.

5.

Touch “Qu” and “Qd” on CONSULT-III screen to adjust “PURG VOL C/V” and check vacuum existence
under the following conditions.

Without CONSULT-III

1.

Turn ignition switch OFF.

2.

Disconnect the EVAP purge hose from EVAP canister purge volume control solenoid valve (EVAP canis-
ter side).

3.

Start engine and let it idle for at least 100 seconds.

4.

Check vacuum existence under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to 

EC-480, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005886625

1.

CHECK EVAP CANISTER

Refer to 

XX-XX, "*****"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace.

2.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect EVAP canister purge volume control solenoid valve harness connector.

3.

Turn ignition switch ON.

4.

Check the voltage between EVAP canister purge volume control solenoid valve harness connector and
ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

DETECT MALFUNCTIONING PART

PURG VOL C/V

Vacuum

100%

Existed

0 %

Not existed

Condition

Vacuum

At idle

Not existed

About 2,000 rpm

Existed

EVAP canister purge volume control solenoid valve

Ground

Voltage

Connector

Terminal

F32

1

Ground

Battery voltage