Murano Cross Cabriolet Z51 (2013 year). Manual - part 99

POWER STEERING SOLENOID VALVE

STC-13

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

H

I

J

K

L

M

A

B

STC

N

O

P

Component Inspection

INFOID:0000000008461635

1.

CHECK POWER STEERING SOLENOID VALVE

1.

Turn the ignition switch OFF.

2.

Disconnect power steering solenoid valve harness connector.

3.

Check resistance between power steering solenoid valve connector terminals.

4.

Check power steering solenoid valve by listening for its operation sound while applying battery voltage to
power steering solenoid valve connector E52 terminals 1 (positive) and 2 (negative).

Is the inspection result normal?

 YES

>> INSPECTION END

 NO

>> Replace gear-sub assembly. Refer to 

ST-37, "Exploded View"

.

Power steering solenoid valve

Resistance

(Approx.)

Terminal

1 2

4 

– 

6 

Ω

Revision: 2012 October

2013 Murano CrossCabriolet

STC-14

< DTC/CIRCUIT DIAGNOSIS >

ENGINE SPEED SIGNAL CIRCUIT

ENGINE SPEED SIGNAL CIRCUIT

Description

INFOID:0000000008461636

ECM sends engine speed signal to power steering control unit.

Diagnosis Procedure

INFOID:0000000008461637

1.

PERFORM ECM SELF-DIAGNOSIS

With CONSULT

1.

Turn the ignition switch ON.

CAUTION:

Never start the engine

2.

Perform “ENGINE” self-diagnosis. Refer to 

EC-63, "CONSULT Function"

.

Is any DTC detected?

YES

>> Check the DTC.

NO

>> GO TO 2.

2.

CHECK HARNESS BETWEEN ECM AND POWER STEERING CONTROL UNIT

1.

Turn the ignition switch OFF.

2.

Disconnect ECM harness connectors.

3.

Disconnect power steering control unit harness connector.

4.

Check continuity between ECM harness connector and power steering control unit harness connector.

5.

Check continuity between power steering control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK ENGINE SPEED SIGNAL (1)

1.

Connect ECM harness connectors.

2.

Check signal between ECM harness connector and ground with oscilloscope.

ECM

Power steering control unit

Continuity

Connector

Terminal

Connector

Terminal

E16

94

M61

10

Existed

Power steering control unit

—

Continuity

Connector

Terminal

M61

10

Ground

Not existed

Revision: 2012 October

2013 Murano CrossCabriolet

ENGINE SPEED SIGNAL CIRCUIT

STC-15

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

H

I

J

K

L

M

A

B

STC

N

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace ECM. Refer to 

EC-118, "Description"

.

4.

CHECK ENGINE SPEED SIGNAL (2)

1.

Turn the ignition switch OFF.

2.

Connect power steering control unit harness connector.

3.

Check signal between power steering control unit harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace power steering control unit. Refer to 

STC-19, "Removal and Installation"

.

5.

CHECK TERMINALS AND HARNESS CONNECTORS

• Check power steering control unit pin terminals for damage or loose connection with harness connector.
• Check ECM pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace damaged parts.

ECM

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

E16

94

Ground

Engine is running
• Warm-up condition
• Idle speed

Engine is running
• Warm-up condition
• Engine speed: Approx. 2,000 rpm

JMBIA0076GB

JMBIA0077GB

Power steering control unit

—

Condition

Voltage

(Approx.)

Connector

Terminal

M61

10

Ground

Engine is running
• Warm-up condition
• Idle speed

Engine is running
• Warm-up condition
• Engine speed: Approx. 2,000 rpm

JMBIA0076GB

JMBIA0077GB

Revision: 2012 October

2013 Murano CrossCabriolet

STC-16

< DTC/CIRCUIT DIAGNOSIS >

VEHICLE SPEED SIGNAL CIRCUIT

VEHICLE SPEED SIGNAL CIRCUIT

Description

INFOID:0000000008461638

Combination meter sends vehicle speed signal to power steering control unit.

Diagnosis Procedure

INFOID:0000000008461639

1.

PERFORM COMBINATION METER SELF-DIAGNOSIS

With CONSULT

1.

Turn the ignition switch ON.

CAUTION:

Never start the engine

2.

Perform “METER/M&A” self-diagnosis. Refer to 

MWI-21, "CONSULT Function"

.

Is any DTC detected?

YES

>> Check the DTC.

NO

>> GO TO 2.

2.

CHECK HARNESS BETWEEN COMBINATION METER AND POWER STEERING CONTROL UNIT

1.

Turn the ignition switch OFF.

2.

Disconnect combination meter harness connector.

3.

Disconnect power steering control unit harness connector.

4.

Check continuity between combination meter harness connector and power steering control unit harness
connector.

5.

Check continuity between power steering control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK VEHICLE SPEED SIGNAL (1)

1.

Turn the ignition switch OFF.

2.

Connect combination meter harness connector.

3.

Check combination meter input/output standard values. Refer to 

MWI-25, "Reference Value"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace combination meter Refer to 

MWI-70, "Exploded View"

.

4.

CHECK VEHICLE SPEED SIGNAL (2)

1.

Turn the ignition switch OFF.

2.

Connect power steering control unit harness connector.

3.

Check signal between power steering control unit harness connector and ground with oscilloscope.

Combination meter

Power steering control unit

Continuity

Connector

Terminal

Connector

Terminal

M34

30

M61

8

Existed

Power steering control unit

—

Continuity

Connector

Terminal

M61

8

Ground

Not existed

Revision: 2012 October

2013 Murano CrossCabriolet

VEHICLE SPEED SIGNAL CIRCUIT

STC-17

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

H

I

J

K

L

M

A

B

STC

N

O

P

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace power steering control unit. Refer to 

STC-19, "Removal and Installation"

.

5.

CHECK TERMINALS AND HARNESS CONNECTORS

• Check power steering control unit pin terminals for damage or loose connection with harness connector.
• Check combination meter pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace damaged parts.

Power steering control unit

—

Condition

Voltage

(Approx.)

Connector

Terminal

M61

 8

Ground

Vehicle speed: 40 km/h (25 MPH)

CAUTION:

Check air pressure of tire under 
standard condition.

NOTE:
The maximum voltage varies de-
pending on the specification (desti-
nation unit).

JSNIA0015GB

Revision: 2012 October

2013 Murano CrossCabriolet

STC-18

< SYMPTOM DIAGNOSIS >

UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)

SYMPTOM DIAGNOSIS

UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIA-
TION)

Description

INFOID:0000000008461640

• Hard steering when fully turning the steering wheel.
• Light steering when driving at a high speed.

Diagnosis Procedure

INFOID:0000000008461641

1.

CHECK SYSTEM FOR POWER SUPPLY AND GROUND

Perform trouble diagnosis for power supply and ground. Refer to 

STC-11, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace damaged parts.

2.

CHECK SYSTEM FOR VEHICLE SPEED SIGNAL

Perform trouble diagnosis for vehicle speed signal. Refer to 

STC-16, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK SYSTEM FOR ENGINE SPEED SIGNAL

Perform trouble diagnosis for engine speed signal. Refer to 

STC-14, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

CHECK SYSTEM FOR POWER STEERING SOLENOID VALVE

Perform trouble diagnosis for power steering solenoid valve. Refer to 

STC-12, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Perform the symptom diagnosis for the steering system. Refer to 

ST-26, "NVH Troubleshooting

Chart"

.

NO

>> Repair or replace damaged parts.

Revision: 2012 October

2013 Murano CrossCabriolet

POWER STEERING CONTROL UNIT

STC-19

< REMOVAL AND INSTALLATION >

C

D

E

F

H

I

J

K

L

M

A

B

STC

N

O

P

REMOVAL AND INSTALLATION

POWER STEERING CONTROL UNIT

Removal and Installation

INFOID:0000000008461642

REMOVAL

1.

Remove instrument lower panel RH. Refer to 

IP-12, "Exploded View"

.

2.

Disconnect power steering control unit connector.

3.

Remove power steering control unit.

INSTALLATION

Install in the reverse order of removal.

Revision: 2012 October

2013 Murano CrossCabriolet

STR-1

ENGINE

C

D

E

F

G

H

I

J

K

L

M

SECTION 

STR

A

STR

N

O

P

CONTENTS

STARTING SYSTEM

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

2

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

2

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

2

Precaution for Battery Service  ..................................

2

Service Procedure Precautions for Models with a 
Pop-up Roll Bar .........................................................

2

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

3

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

3

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

3

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

3

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

4

COMPONENT PARTS  ........................................

4

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

4

STARTING SYSTEM : Component Parts Location 

......

4

STARTING SYSTEM : Component Description .......

4

SYSTEM ..............................................................

5

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

5

STARTING SYSTEM : System Diagram ...................

5

STARTING SYSTEM : System Description  ..............

5

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

6

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

6

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

6

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

7

DIAGNOSIS AND REPAIR WORK FLOW  ........

7

Work Flow (With GR8-1200 NI) ................................

7

Work Flow (Without GR8-1200 NI) ..........................

10

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

12

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

12

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

12

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

12

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

13

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

13

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

13

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

14

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

14

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

14

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

15

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

15

Exploded View .........................................................

15

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

16

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

17

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

17

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

17

Revision: 2012 October

2013 Murano CrossCabriolet

STR-2

< PRECAUTION >

PRECAUTIONS

PRECAUTION

PRECAUTIONS

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

INFOID:0000000008460910

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.

WARNING:

Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.

• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-

vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

WARNING:

Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the

ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.

• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the

battery, and wait at least 3 minutes before performing any service.

Precaution for Battery Service

INFOID:0000000008460911

Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.

Service Procedure Precautions for Models with a Pop-up Roll Bar

INFOID:0000000008460912

WARNING:

Always observe the following items for preventing accidental activation.
• Risk of passenger injury or death may increase if the pop-up roll bar does not deploy during a roll

over collision. In order to reduce the chance of an incident where the pop-up roll bar is inoperative,
all maintenance must be performed by a NISSAN or INFINITI dealer.

• Before removing and installing the pop-up roll bar component parts and harness, always turn the

ignition switch OFF, disconnect the battery negative terminal, and wait for 3 minutes or more. (The
purpose of this operation is to discharge electricity that is accumulated in the auxiliary power supply
circuit in the air bag diagnosis sensor unit.)

• When repairing, removing, and installing a pop-up roll bar, always refer to SRS AIR BAG and SRS

AIR BAG CONTROL warnings in the Service Manual.

Revision: 2012 October

2013 Murano CrossCabriolet

PREPARATION

STR-3

< PREPARATION >

C

D

E

F

G

H

I

J

K

L

M

A

STR

N

P

O

PREPARATION

PREPARATION

Special Service Tools

INFOID:0000000008954743

Commercial Service Tools

INFOID:0000000008460914

Tool number

(Kent-Moore No.)

Tool name

Description

—
(—) Model GR8-1200 NI
Multitasking battery and electrical di-
agnostic station

Tests batteries, starting and charging sys-
tems and charges batteries.
For operating instructions, refer to diagnos-
tic station instruction manual.

AWIIA1239ZZ

Tool name

Description

Power tool

Loosening bolts, nuts and screws

PIIB1407E

Revision: 2012 October

2013 Murano CrossCabriolet

STR-4

< SYSTEM DESCRIPTION >

COMPONENT PARTS

SYSTEM DESCRIPTION

COMPONENT PARTS

STARTING SYSTEM

STARTING SYSTEM : Component Parts Location

INFOID:0000000008460915

STARTING SYSTEM : Component Description

INFOID:0000000008460916

1.

Starter motor

2.

BCM
Refer to 

BCS-4, "BODY CONTROL 

SYSTEM : Component Parts Loca-
tion"

3.

TCM
Refer to 

TM-10, "CVT CONTROL 

SYSTEM : Component Parts Loca-
tion"

4.

IPDM E/R
Refer to 

PCS-4, "Component Parts 

Location"

A.

Cylinder block left side

B.

Behind the combination meter

C.

Engine room dash panel (LH)

JPBIA1756ZZ

Component part

Description

TCM

TCM supplies power to the starter relay and starter control relay 
inside IPDM E/R when the selector lever is shifted to the P or N 
position.

BCM

BCM controls the starter relay inside IPDM E/R.

IPDM E/R

CPU inside IPDM E/R controls the starter control relay.

Starter motor

The starter motor plunger closes and the motor is supplied with 
battery power, which in turn cranks the engine, when the “S” ter-
minal is supplied with electric power.

Revision: 2012 October

2013 Murano CrossCabriolet

SYSTEM

STR-5

< SYSTEM DESCRIPTION >

C

D

E

F

G

H

I

J

K

L

M

A

STR

N

P

O

SYSTEM

STARTING SYSTEM

STARTING SYSTEM : System Diagram

INFOID:0000000008460917

STARTING SYSTEM : System Description

INFOID:0000000008460918

The starter motor plunger closes and provides a closed circuit between the battery and starter motor. The
starter motor is grounded to the engine block. With power and ground supplied, cranking occurs and the
engine starts. 

JPBIA1665GB

Revision: 2012 October

2013 Murano CrossCabriolet

STR-6

< WIRING DIAGRAM >

STARTING SYSTEM

WIRING DIAGRAM

STARTING SYSTEM

Wiring Diagram

INFOID:0000000008460919

For connector terminal arrangements, harness layouts, and alphabets in a 

 (option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information"

.

JCBWM1068GB

Revision: 2012 October

2013 Murano CrossCabriolet

DIAGNOSIS AND REPAIR WORK FLOW

STR-7

< BASIC INSPECTION >

C

D

E

F

G

H

I

J

K

L

M

A

STR

N

P

O

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow (With GR8-1200 NI)

INFOID:0000000008954749

STARTING SYSTEM DIAGNOSIS WITH GR8-1200 NI

To test the starting system, use the following special service tool:
• GR8-1200 NI Multitasking battery and electrical diagnostic station
NOTE:
Refer to the diagnostic station Instruction Manual for proper starting system diagnosis procedures.

Revision: 2012 October

2013 Murano CrossCabriolet

STR-8

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORK FLOW

OVERALL SEQUENCE

DETAILED FLOW

NOTE:
To ensure a complete and thorough diagnosis, the battery, starter motor and alternator test segments must be
done as a set from start to finish.

1.

DIAGNOSIS WITH MULTITASKING BATTERY AND ELECTRICAL DIAGNOSTIC STATION GR8-1200 NI

JMBIA4453GB

Revision: 2012 October

2013 Murano CrossCabriolet

DIAGNOSIS AND REPAIR WORK FLOW

STR-9

< BASIC INSPECTION >

C

D

E

F

G

H

I

J

K

L

M

A

STR

N

P

O

Perform the starting system test with Multitasking battery and electrical diagnostic station GR8-1200 NI. For
details and operating instructions, refer to diagnostic station Instruction Manual.
Test result

CRANKING NORMAL>>GO TO 2.
LOW VOLTAGE>>GO TO 5.
CHARGE BATTERY>>Perform  the  slow  battery charging procedure. (Initial rate of charge is 10A for 12

hours.) Perform battery test again. Refer to diagnostic station instruction manual. 

REPLACE BATTERY>>Before replacing battery, clean the battery cable clamps and battery posts. Perform

battery test again. Refer to diagnostic station instruction manual. If second test result is
“REPLACE BATTERY”, then do so. Perform battery test again to confirm repair.

2.

CRANKING CHECK

Check that the starter motor operates correctly.

Does the engine crank normally?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

ENGINE START CHECK

Check that the engine starts.
Does the engine start?

YES

>> Starter motor is OK. INSPECTION END

NO

>> Perform further diagnosis of engine mechanical or engine control system. Refer EM and EC sec-

tions. Once resolved, perform battery test again.

4.

STARTER MOTOR ACTIVATION

Check that the starter motor operates.
Does the starter motor turn?

YES

>> Check ring gear and starter motor drive pinion. Once resolved, perform battery test again.

NO

>> GO TO 7.

5.

COMPARISON BETWEEN ENGINE COOLANT AND CRANKING VOLTAGE

Compare the engine coolant temperature and the cranking voltage with the specifications.

Minimum Specification of Cranking Voltage Referencing Coolant Temperature

Is the voltage less than the specified value?

YES

>> GO TO 7.

NO

>> GO TO 6.

6.

STARTER OPERATION

Check the starter operation status.
Does the starter motor turn smoothly?

YES

>> Starter motor is OK. INSPECTION END

NO

>> GO TO 7.

7.

“B” TERMINAL CIRCUIT INSPECTION

Check “B” terminal circuit. Refer to 

STR-12, "Diagnosis Procedure"

.

Is “B” terminal circuit normal?

YES

>> GO TO 8.

NO

>> Repair as needed.

8.

“S” CONNECTOR CIRCUIT INSPECTION

Check “S” connector circuit. Refer to 

STR-13, "Diagnosis Procedure"

.

Engine coolant temperature [

°

C (

°

F)]

Voltage [V]

−

30 to 

−

20 (

−

22 to 

−

4)

8.6

−

19 to 

−

10 (

−

2 to 14)

9.1

−

9 to 0 (16 to 32)

9.5

More than 1 (More than 34)

9.9

Revision: 2012 October

2013 Murano CrossCabriolet