Nissan Maxima. Manual — part 1123

SERVICE DATA AND SPECIFICATIONS (SDS)

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Steering Wheel

INFOID:0000000009465792

Steering Angle

INFOID:0000000009465793

Unit: Degree minute (Decimal Degree)

Steering Column

INFOID:0000000009465794

STEERING COLUMN LENGTH

Unit: mm (in)

STEERING COLUMN ROTATING TORQUE

Unit: N·m (kg-m, in-lb)

TILT MECHANISM OPERATING RANGE

Steering wheel axial end play

0 mm (0 in)

Steering wheel play

0 - 35 mm (0 - 1.38 in)

Steering wheel turning force

39 N (4 kg-f, 9 lb-f) or less

Tire size

P245/45R18

P245/40R19

Inner wheel angle (A)

Minimum

33

° 30′ (33.5°)

33

° 30′ (33.5°)

Nominal

36

° 30′ (36.5°)

36

° 30′ (36.5°)

Maximum

37

° 30′ (37.5°)

37

° 30′ (37.5°)

Outer wheel angle (B)

Nominal

31

° 0′ (31.0°)

31

° 0′ (31.0°)

SGIA0055E

Steering column length (L)

Telescopic maximum

513 - 543 (20.20 - 21.38)

Telescopic minimum

503 - 513 (19.80 - 20.20)

SGIA1177E

Rotating torque

0 - 0.25 (0 - 0.03, 0 - 2)

ST-38

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SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

Steering Gear

INFOID:0000000009465795

STEERING OUTER SOCKET AND INNER SOCKET

RACK STROKE

Without electric motor

With electric motor

Tilt operating range (L

1

)

41 (1.61)

49.63 (1.95)

Telescopic operating range (L

2

)

40 (1.57)

40 (1.57)

SGIA1179E

Steering gear type

PR26AF

Outer socket

Swinging torque

0.1 - 2.9 N·m (0.01 - 0.29 kg-m, 1.0 - 25 in-lb)

• Measurement on spring balance
• Measuring point: cotter pin hole of stud

1.4 - 42.7 N (0.14 - 4.4 kg, 12 - 31 lb)

Rotating torque

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

Axial end play

0.5 mm (0.020 in) or less

Inner socket

Swinging torque

0.1 - 7.8 N·m (0.01 - 0.79 kg-m, 1.0 - 69 in-lb)

• Measurement on spring balance
• Measuring point at * mark shown

0.8 - 64 N (0.082 - 6.5 kg, 0.18 - 14.4 lb)

Axial end play

0.2 mm (0.008 in) or less

Inner socket length (L)

119.5 mm (4.705 in) or less

SGIA0950E

SERVICE DATA AND SPECIFICATIONS (SDS)

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RACK SLIDING FORCE

Oil Pump

INFOID:0000000009465796

Steering Fluid

INFOID:0000000009465797

Steering gear model

PR26AF

Tire size

P245/45R18

P245/40R19

Rack stroke in neutral position (L)

69.5

±0.75 mm (2.735 ± 0.030 in)

AWGIA0003GB

Standard

301

± 49 N (30.7 ± 5 kg-f, 67.7 ± 11 lb-f)

Minimum

210 N (21.4 kg-f, 47.2 lb-f)

Relief oil pressure at 1,000 rpm

9,800 + 500/ - 300 kPa (99.96 + 5.10/ - 3.06 kg/cm

2

, 1,421.0 + 72.5/ - 43.5 psi)

Fluid type and capacity

Refer to

MA-15, "FOR USA AND CANADA : Fluids and Lubricants"

(United States

and Canada),

MA-16, "FOR MEXICO : Fluids and Lubricants"

(Mexico).

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CONTENTS

STEERING CONTROL SYSTEM

BASIC INSPECTION . . . . . . . . .

2

DIAGNOSIS AND REPAIR WORKFLOW . . ..

2

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

2

SYSTEM DESCRIPTION . . . . . . . ..

3

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

3

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

3

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

3

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

4

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

5

DTC/CIRCUIT DIAGNOSIS . . . . . . ..

6

POWER SUPPLY AND GROUND CIRCUIT . ...

6

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

6

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

6

POWER STEERING SOLENOID VALVE . . ...

7

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

7

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

7

Component Inspection . . . . . . . . . . . ..

8

ENGINE SPEED SIGNAL CIRCUIT . . . . ...

10

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

10

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

10

VEHICLE SPEED SIGNAL CIRCUIT . . . . .

13

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

13

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

13

ECU DIAGNOSIS INFORMATION . . . ..

15

POWER STEERING CONTROL UNIT . . . ..

15

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

15

Fail Safe . . . . . . . . . . . . . . . . ..

16

WIRING DIAGRAM . . . . . . . . . ..

17

ELECTRONICALLY CONTROLLED POWER
STEERING SYSTEM . . . . . . . . . . .

17

Wiring Diagram . . . . . . . . . . . . . .

17

SYMPTOM DIAGNOSIS . . . . . . . ..

20

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

20

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

20

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

20

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

21

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

21

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

21

Precaution for Work . . . . . . . . . . . . .

21

UNIT REMOVAL AND INSTALLATION . ..

22

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

22

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

22