Infiniti FX35, FX50 (S51). Manual - part 1792

RAS CONTROL UNIT

STC-109

< REMOVAL AND INSTALLATION >

[WITH REAR ACTIVE STEER]

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REMOVAL AND INSTALLATION

RAS CONTROL UNIT

Removal and Installation

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REMOVAL

1.

Turn the ignition switch OFF.

2.

Remove the luggage side finisher lower (LH). Refer to 

INT-28, "Exploded View"

.

3.

Remove E-SUS control unit. Refer to 

SCS-61, "Exploded View"

.

4.

Disconnect the RAS control unit connector and harness clip.

5.

Remove the RAS control unit mounting bolts.

6.

Remove the RAS control unit.

INSTALLATION

Install in the reverse order of removal.

STC-110

< REMOVAL AND INSTALLATION >

[WITH REAR ACTIVE STEER]

REAR ACTIVE STEER

REAR ACTIVE STEER

Exploded View

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COMPONENTS

Removal and Installation

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REMOVAL

1.

Remove coil spring and rear lower link. Refer to 

RSU-8, "Exploded View"

.

2.

Disconnect harness connector from RAS actuator assembly and rear suspension member.

3.

Remove fixing bolts and nuts of RAS actuator assembly, and then remove RAS actuator assembly from
rear suspension member.

INSTALLATION

Note the following, and install in the reverse order of removal.
• When installing RAS actuator assembly to rear suspension member, check the mounting surfaces of RAS

actuator assembly and rear suspension member for oil, dirt, sand, or other foreign materials.

• Check rear wheel alignment. Refer to 

RSU-6, "Inspection"

.

• Adjust neutral position of steering angle sensor. Refer to 

BRC-9, "ADJUSTMENT OF STEERING ANGLE

SENSOR NEUTRAL POSITION : Special Repair Requirement"

.

1.

RAS actuator assembly

Refer to 

GI-4, "Components"

, for the symbols in the figure.

JSGIA0473GB

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ENGINE

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SECTION 

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CONTENTS

STARTING SYSTEM

BASIC INSPECTION  ....................................

2

DIAGNOSIS AND REPAIR WORKFLOW  ..........

2

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

2

SYSTEM DESCRIPTION  ..............................

5

STARTING SYSTEM  ...........................................

5

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

5

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

5

VQ35HR .......................................................................

5

VQ35HR : Component Parts Location  ......................

6

VK50VE .......................................................................

6

VK50VE : Component Parts Location  .......................

7

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

7

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

8

B TERMINAL CIRCUIT  .......................................

8

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

8

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

8

S CONNECTOR CIRCUIT  ...................................

9

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

9

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

9

STARTING SYSTEM  ..........................................

10

Wiring Diagram - STARTING SYSTEM -  ................

10

SYMPTOM DIAGNOSIS  ..............................

15

STARTING SYSTEM  ..........................................

15

Symptom Table  .......................................................

15

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

16

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

16

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

16

PREPARATION ...........................................

17

PREPARATION .................................................

17

Special Service Tools  ..............................................

17

Commercial Service Tools .......................................

17

REMOVAL AND INSTALLATION  ...............

18

STARTER MOTOR  ...........................................

18

VQ35HR .....................................................................

18

VQ35HR : Exploded View  .......................................

18

VQ35HR : Removal and Installation (2WD)  ............

19

VQ35HR : Removal and Installation (AWD)  ............

20

VQ35HR : Inspection ...............................................

21

VK50VE ......................................................................

21

VK50VE : Exploded View  ........................................

21

VK50VE : Removal and Installation .........................

23

VK50VE : Inspection ................................................

23

SERVICE DATA AND SPECIFICATIONS 
(SDS) ............................................................

24

SERVICE DATA AND SPECIFICATIONS 
(SDS) .................................................................

24

Starter Motor ...........................................................

24

STR-2

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

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OVERALL SEQUENCE

DETAILED FLOW

JSBIA0022GB