Nissan Qashqai (2007-2010). Manual — part 750

SERVICE DATA AND SPECIFICATIONS (SDS)

ST-19

< SERVICE DATA AND SPECIFICATIONS (SDS)

C

D

E

F

H

I

J

K

L

M

A

B

ST

N

O

P

Rack Stroke

INFOID:0000000000953535

Unit: mm (in)

Socket Swing Force and Rotating Torque

INFOID:0000000000953536

Socket Axial End Play

INFOID:0000000000953537

Steering column length “L”

495 mm (19.49 in)

Item

Standard

SGIA1345J

Item

Standard

Tire size

215/65R16

215/60R17

Rack neutral position, dimension “L”

77.5 (3.051)

SGIA0629J

Item

Spring balance

Outer socket “P

1

”

Swinging torque

0.3 – 2.9 N·m (0.03 – 0.29 kg-m, 3.0 – 25 in-lb)

Spring balance measurement

5.0 – 54 N (0.51 – 5.5 kg-f, 1.12 – 12.14 lb-f)

Inner socket “P

2

”

Swinging torque

0.5 – 8.0 N·m (0.06 – 0.81 kg-m, 5.0 – 70 in-lb)

Spring balance measurement

4.0 – 60 N (0.41 – 6.12 kg-f, 0.90 – 13.49 lb-f)

SGIA1540E

ST-20

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Inner Socket Length

INFOID:0000000000953538

Unit: mm (in)

Item

Standard

Outer socket

No free play

Inner socket

No free play

Item

Standard

Rack neutral position, dimension “L”

100.7 (3.965)

SGIA1512E

STC-1

STEERING

C

D

E

F

H

I

J

K

L

M

SECTION

STC

A

B

STC

N

O

P

CONTENTS

STEERING CONTROL SYSTEM

BASIC INSPECTION . . . . . . . . .

3

DIAGNOSIS AND REPAIR WORKFLOW . . ..

3

Work Flow . . . . . . . . . . . . . . . .....

3

FUNCTION DIAGNOSIS . . . . . . . ...

4

EPS SYSTEM . . . . . . . . . . . . . ..

4

System Diagram . . . . . . . . . . . . . ....

4

System Description . . . . . . . . . . . . ...

4

Component Parts Location . . . . . . . . . ....

4

Component Description . . . . . . . . . . .....

6

DIAGNOSIS SYSTEM (EPS CONTROL UNIT)

. .

7

CONSULT-III Function (EPS) . . . . . . . . ...

7

COMPONENT DIAGNOSIS . . . . . . ..

8

C1601 BATTERY POWER SUPPLY . . . . ..

8

Description . . . . . . . . . . . . . . . ....

8

DTC Logic . . . . . . . . . . . . . . . .....

8

Diagnosis Procedure . . . . . . . . . . . .....

8

Special Repair Requirement . . . . . . . . .....

9

C1604 TORQUE SENSOR . . . . . . . . .

10

Description . . . . . . . . . . . . . . . ..

10

DTC Logic . . . . . . . . . . . . . . . ...

10

Diagnosis Procedure . . . . . . . . . . . ...

10

Special Repair Requirement . . . . . . . . ...

10

C1606 EPS MOTOR . . . . . . . . . . ...

11

Description . . . . . . . . . . . . . . . ..

11

DTC Logic . . . . . . . . . . . . . . . ...

11

Diagnosis Procedure . . . . . . . . . . . ...

11

Special Repair Requirement . . . . . . . . ...

11

C1607 EEPROM . . . . . . . . . . . . .

12

Description . . . . . . . . . . . . . . . ..

12

DTC Logic . . . . . . . . . . . . . . . ...

12

Diagnosis Procedure . . . . . . . . . . . ...

12

Special Repair Requirement . . . . . . . . ...

12

C1608 CONTROL UNIT . . . . . . . . .

13

Description . . . . . . . . . . . . . . . ...

13

DTC Logic . . . . . . . . . . . . . . . .

13

Diagnosis Procedure . . . . . . . . . . . ...

13

Special Repair Requirement . . . . . . . . .

14

U1200 VEHICLE SPEED SIGNAL (ABS) . . .

15

Description . . . . . . . . . . . . . . . ...

15

DTC Logic . . . . . . . . . . . . . . . .

15

Diagnosis Procedure . . . . . . . . . . . ...

15

Special Repair Requirement . . . . . . . . .

15

U14FF VEHICLE SPEED SIGNAL (METER) ...

16

Description . . . . . . . . . . . . . . . ...

16

DTC Logic . . . . . . . . . . . . . . . .

16

Diagnosis Procedure . . . . . . . . . . . ...

16

Special Repair Requirement . . . . . . . . .

16

U1000 CAN COMM CIRCUIT . . . . . . ...

17

Description . . . . . . . . . . . . . . . ...

17

DTC Logic . . . . . . . . . . . . . . . .

17

Diagnosis Procedure . . . . . . . . . . . ...

17

Special Repair Requirement . . . . . . . . .

17

ECU DIAGNOSIS . . . . . . . . . . .

18

EPS CONTROL UNIT . . . . . . . . . ...

18

Reference Value . . . . . . . . . . . . . ..

18

Wiring Diagram - ELECTRONICALLY CON-
TROLLED POWER STEERING SYSTEM - . . .

19

Fail-Safe . . . . . . . . . . . . . . . . ..

22

DTC No. Index . . . . . . . . . . . . . . .

22

SYMPTOM DIAGNOSIS . . . . . . . ..

24

EPS WARNING LAMP DOES NOT TURN ON ...

24

Diagnosis Procedure . . . . . . . . . . . ...

24

EPS WARNING LAMP DOES NOT TURN
OFF . . . . . . . . . . . . . . . . .

25

Diagnosis Procedure . . . . . . . . . . . ...

25

STC-2

STEERING WHEEL TURNING FORCE IS
HEAVY OR LIGHT . . . . . . . . . . . .

27

Diagnosis Procedure . . . . . . . . . . . ..

27

UNBALANCE STEERING WHEEL TURNING
FORCE AND RETURN BETWEEN RIGHT
AND LEFT . . . . . . . . . . . . . . ..

28

Diagnosis Procedure . . . . . . . . . . . ..

28

UNBALANCE STEERING WHEEL TURNING
FORCE (TORQUE VARIATION) . . . . . ...

29

Diagnosis Procedure . . . . . . . . . . . ..

29

PRECAUTION . . . . . . . . . . .

30

PRECAUTIONS . . . . . . . . . . . . .

30

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . .

30

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . ..

30

Service Notice or Precautions for EPS System . ..

30

ON-VEHICLE REPAIR . . . . . . . ...

32

EPS CONTROL UNIT . . . . . . . . . .

32

Removal and Installation . . . . . . . . . . .

32