Nissan Tiida C11. Manual - part 414

 

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Nissan Tiida C11. Manual - part 414

 

 

EC-306

< COMPONENT DIAGNOSIS >

[HR16DE (WITH EURO-OBD)]

ASCD INDICATOR

ASCD INDICATOR

Description

INFOID:0000000001671088

ASCD indicator lamp illuminates to indicate ASCD operation status. Lamp has two indicators, CRUISE and
SET, and is integrated in combination meter.
CRUISE lamp illuminates when MAIN switch on ASCD steering switch is turned ON to indicated that ASCD
system is ready for operation.
SET lamp illuminates when following conditions are met. 
• CRUISE lamp is illuminated.
• SET/COAST switch on ASCD steering switch is turned ON while vehicle speed is within the range of ASCD

setting.

SET lamp remains lit during ASCD control.
Refer to 

EC-61, "System Description"

 for the ASCD function.

Component Function Check

INFOID:0000000001671089

1.

ASCD INDICATOR FUNCTION

Check ASCD indicator under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to 

EC-306, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001671090

1.

CHECK DTC

Check that DTC U1000 or U1001 is not displayed.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Perform trouble diagnosis for DTC U1000, U1001. Refer to 

EC-128, "DTC Logic"

.

2.

CHECK COMBINATION METER OPERATION

Refer to 

MWI-22, "CONSULT-III Function (METER/M&A)"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check combination meter circuit. Refer to  

MWI-4, "METER SYSTEM : System Diagram"

.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-55, "Intermittent Incident"

.

>> INSPECTION END

ASCD INDICATOR

CONDITION

SPECIFICATION

CRUISE LAMP

• Ignition switch: ON

• MAIN switch: Pressed at the 

1st time 

at the 2nd time

ON 

 OFF

SET LAMP

• MAIN  switch:  ON
• When vehicle speed: Be-

tween 40 km/h (25 MPH) and 
144 km/h (89 MPH)

• ASCD: Operating

ON

• ASCD: Not operating

OFF

COOLING FAN

EC-307

< COMPONENT DIAGNOSIS >

[HR16DE (WITH EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

COOLING FAN

Description

INFOID:0000000001677297

Cooling fan operates at each speed when the current flows in the cooling fan motor as follows.
Refer to 

EC-70, "System Diagram"

 for cooling fan operation.

Component Function Check

INFOID:0000000001677298

1.

CHECK COOLING FAN LOW SPEED FUNCTION

With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-III and touch “LOW” on the CON-
SULT-III screen.

3.

Make sure that cooling fans operates at low speed.

Without CONSULT-III

1.

Start engine and let it idle.

2.

Turn air conditioner switch and blower fan switch ON.

3.

Make sure that cooling fan operates at low speed.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check cooling fan low speed control circuit. Refer to 

EC-307, "Diagnosis Procedure"

.

2.

CHECK COOLING FAN HIGH SPEED FUNCTION

With CONSULT-III

1.

Touch “HI” on the CONSULT-III screen.

2.

Make sure that cooling fans operates at higher speed than low speed.

Without CONSULT-III

1.

Perform IPDM E/R auto active test and check cooling fan motors operation.

2.

Make sure that cooling fan operates at high speed.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Check cooling fan high speed control circuit. Refer to 

EC-307, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001677299

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R harness connector.

3.

Check the voltage between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES-2 >> With A/C models: GO TO 3.
YES-2 >> Without A/C models: GO TO 5.
NO

>> GO TO 2.

2.

DETECT MALFUNCTIONING PART

Check the following.
• 50A fusible link (letter J) (with A/C models)
• 40A fusible link (letter J) (without A/C models)
• Harness for open or short between IPDM E/R and battery 

IPDM E/R

Ground

Continuity

Connector

Terminal

E44

22

Ground

Existed

EC-308

< COMPONENT DIAGNOSIS >

[HR16DE (WITH EURO-OBD)]

COOLING FAN

>> Repair or replace malfunctioning part.

3.

CHECK COOLING FAN MOTORS CIRCUIT FOR OPEN AND SHORT

1.

Disconnect cooling fan motor harness connector.

2.

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

3.

Check the continuity between cooling fan motor harness connector or IPDM E/R harness connector and
ground.

4.

Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 4.

4.

DETECT MALFUNCTIONING PART

Check the following.
• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground
• Harness for open or short between IPDM E/R and ground
• Resistor  E5

>> Repair or replace malfunctioning part.

5.

CHECK COOLING FAN MOTORS CIRCUIT FOR OPEN AND SHORT

1.

Disconnect cooling fan motor harness connector.

2.

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

3.

Check the continuity between cooling fan motor harness connector or IPDM E/R harness connector and
ground.

4.

Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 6.

IPDM E/R

Cooling fan motor

Continuity

Connector

Terminal

Connector

Terminal

E44

24

E3

1

Existed

E45

30

Cooling fan motor

IPDM E/R

Ground

Continuity

Connector

Terminal

Connector

Terminal

E3

2

E46

59

Ground

Existed

39

IPDM E/R

Cooling fan motor

Continuity

Connector

Terminal

Connector

Terminal

E44

23

E3

1

Existed

24

2

E45

30

3

Cooling fan motor

IPDM E/R

Ground

Continuity

Connector

Terminal

Connector

Terminal

E3

4

E46

59

Ground

Existed

39

COOLING FAN

EC-309

< COMPONENT DIAGNOSIS >

[HR16DE (WITH EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

6.

DETECT MALFUNCTIONING PART

Check the following.
• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground
• Harness for open or short between IPDM E/R and ground

>> Repair or replace malfunctioning part.

7.

CHECK GROUND CONNECTION

Check ground connection E24. Refer to Ground Inspection in 

GI-58, "Circuit Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace ground connection.

8.

CHECK COOLING FAN MOTOR

Refer to 

EC-309, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace malfunctioning cooling fan motor.

9.

CHECK INTERMITTENT INCIDENT

Perfor

GI-55, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R.

NO

>> Repair or replace harness or connector.

Component Inspection

INFOID:0000000001677300

1.

CHECK OVERALL FUNCTION

Check if the vehicle is equipped with an air conditioner.

Is it equipped with an air conditioner?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

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.

3.

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.

Terminals

Operation

(+)

(–)

1

2

Cooling fan operates.

 

 

 

 

 

 

 

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