Nissan Murano Z50 (2004 year). Manual — part 1

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 and SB section of this Service Man-
ual.

WARNING:

●

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

●

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

●

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.

ACCELERATOR CONTROL SYSTEM

ACC-3

ACC

Revision: 2004 November

2004 Murano

ACCELERATOR CONTROL SYSTEM

PFP:18005

Removal and Installation

ABS0033R

REMOVAL

Move accelerator and brake pedals to the front most position (Adjustable type).

Turn ignition switch “OFF” and disconnect negative battery terminal.

Disconnect accelerator pedal position sensor harness connector.

Disconnect drive cable from accelerator pedal assembly (Adjustable type).

●

Unlock (1) then pull (2) to disconnect drive cable.

Loosen nuts, and remove accelerator pedal assembly.

CAUTION:

●

Before removal and installation accelerator and brake pedals must be in front most position.
This is to align the base position of accelerator and brake pedals (Adjustable type).

●

Do not disassemble accelerator pedal assembly. Do not remove accelerator pedal position sen-
sor from accelerator pedal assembly.

●

Adjusting mechanism for accelerator pedal position is not able to disassemble (Adjustable
type).

●

Avoid impact from dropping etc. during handling.

●

Be careful to keep accelerator pedal assembly away from water.

NOTE:
Drive cable of the adjustable type accelerator pedal assembly is a component of brake pedal. Refer to

BR-6, "BRAKE PEDAL"

INSTALLATION

Install in the reverse order of removal.

Accelerator pedal assembly

SBIA0370E

SBIA0382E

ACC-4

ACCELERATOR CONTROL SYSTEM

Revision: 2004 November

2004 Murano

INSPECTION AFTER INSTALLATION

●

Make sure accelerator pedal moves smoothly within the whole operation range when it is fully depressed
and released.

●

Make sure accelerator pedal securely returns to the fully released position.

●

Check operation conditions in forward and rearward movement of accelerator pedal assembly (Adjustable
type). Refer to

BR-6, "BRAKE PEDAL"

●

For the electrical inspection of accelerator pedal position sensor, refer to

EC-568, "DTC P2122, P2123

APP SENSOR"

EC-574, "DTC P2127, P2128 APP SENSOR"

and

EC-588, "DTC P2138 APP SENSOR"

CAUTION:

When harness connector of accelerator pedal position sensor is disconnected, perform “Acceler-
ator Pedal Released Position Learning”. Refer to

EC-43, "Accelerator Pedal Released Position

Learning"

SERVICE DATA AND SPECIFICATIONS (SDS)

ACC-5

ACC

Revision: 2004 November

2004 Murano

SERVICE DATA AND SPECIFICATIONS (SDS)

PFP:00030

Tightening Torque

ABS0033S

Unit: N·m (kg-m, ft-lb)

Accelerator pedal assembly

12.7 - 15.7 (1.3 - 1.6, 10 - 11)

ACC-6

SERVICE DATA AND SPECIFICATIONS (SDS)

Revision: 2004 November

2004 Murano

ACS-1

AUTO CRUISE CONTROL SYSTEM

K ELECTRICAL

CONTENTS

SECTION

ACS

ACS

Revision: 2004 November

2004 Murano

AUTO CRUISE CONTROL SYSTEM

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

. . 2

Description . . . . . . . . . . . . . . . ... 2

ACS-2

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

Revision: 2004 November

2004 Murano

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

PFP:18930

Description

AKS007R3

Regarding the information for ASCD system, refer to

EC-665, "AUTOMATIC SPEED CONTROL DEVICE

(ASCD)"

AP-1

ADJUSTABLE PEDAL

I BODY

CONTENTS

SECTION

Revision: 2004 November

2004 Murano

ADJUSTABLE PEDAL

PRECAUTIONS . . . . . . . . . . . . . . .. 2

Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . . .. 2
Trouble Diagnosis Precaution . . . . . . . . .. 2

ADJUSTABLE PEDAL SYSTEM . . . . . . . . 3

Automatic Drive Positioner Interlocking Adjustable
Pedal . . . . . . . . . . . . . . . . . . 3
Adjustable Pedal (Only Manual Operation Model) . . 3
Removal and Installation . . . . . . . . . . 16

AP-2

PRECAUTIONS

Revision: 2004 November

2004 Murano

PRECAUTIONS

PFP:00001

Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”

AIS003I6

WARNING:

●

Trouble Diagnosis Precaution

AIS003I8

When you read wiring diagrams, refer to the following:

●

GI-14, "How to Read Wiring Diagrams"

in GI section

●

PG-3, "POWER SUPPLY ROUTING CIRCUIT"

in PG section

When you perform trouble diagnosis, refer to the following:

●

GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"

in GI section

●

GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident"

in GI section

Check for any service bulletins before servicing the vehicle.

ADJUSTABLE PEDAL SYSTEM

AP-3

Revision: 2004 November

2004 Murano

ADJUSTABLE PEDAL SYSTEM

PFP:98800

Automatic Drive Positioner Interlocking Adjustable Pedal

AIS003I4

Automatic drive positioner interlocking adjustable pedal. Refer to

SE-12, "AUTOMATIC DRIVE POSITIONER"

Adjustable Pedal (Only Manual Operation Model)

AIS002OE

SYSTEM DESCRIPTION

The pedal adjustable system is power supply controlled by pedal adjusting control unit.
Power is at all times supplied

●

through 50A fusible link [Letter F, located in the fuse block (J/B)],

●

to BCM (Body control module) terminal 55.

●

through 10A fuse [No. 18, located in the fuse block (J/B)],

●

through BCM terminal 42,

●

through BCM terminal 54,

●

to pedal adjusting control unit terminal 5.

●

through 10A fuse [No. 21, located in the fuse block (J/B)],

●

to Key switch and key lock solenoid terminal 3.

With ignition key inserted, power is supplied

●

through Key switch and key lock solenoid terminal 4,

●

to CVT device terminal 5.

With the ignition switch to ON position, power is supplied

●

through 10A fuse [No. 12, located in the fuse block (J/B)],

●

to pedal adjusting control unit terminal 4.

Ground is supplied

●

to BCM terminal 49 and 52,

●

through body grounds M14 and M78.

●

to pedal adjusting control unit terminal 1,

●

through body grounds M14 and M78.

When the ignition key inserted and CVT selector lever is shifted to a position other than P-position, power is
supplied

●

through CVT device terminal 6,

●

to pedal adjusting terminal 3.

Then pedal adjusting control unit recognizes that CVT selector lever is shifted to a position other than P-posi-
tion.
When ignition switch to OFF position or ON position and CVT selector lever is shifted to P-position, power is
supplied

●

through pedal adjusting control unit terminal 7,

●

to pedal adjusting switch terminal 64.

With power supplied, pedal adjusting switch is energized.
When pedal adjusting switch forward, power is supplied

●

through pedal adjusting switch terminal 30,

●

to pedal adjusting motor terminal 2.

Then ground is supplied

●

to pedal adjusting motor terminal 1,

●

through pedal adjusting switch terminal 15,

●

through pedal adjusting switch terminal 48C,

●

through body grounds B20 and B7.

With power and ground are supplied, accelerator and brake pedal moves forward.
When pedal adjusting switch backward, power is supplied

●

through pedal adjusting switch terminal 15,

AP-4

ADJUSTABLE PEDAL SYSTEM

Revision: 2004 November

2004 Murano

●

to pedal adjusting motor terminal 1.

Then ground is supplied

●

to pedal adjusting motor terminal 2,

●

through pedal adjusting switch terminal 30,

●

through pedal adjusting switch terminal 48C,

●

through body grounds B20 and B7.

With power and ground are supplied, accelerator and brake pedal moves backward.

COMPONENT PARTS AND HARNESS CONNECTOR LOCATION

PIIB0882E

ADJUSTABLE PEDAL SYSTEM

AP-5

Revision: 2004 November

2004 Murano

WIRING DIAGRAM —PEDAL—

TIWA0534E

AP-6

ADJUSTABLE PEDAL SYSTEM

Revision: 2004 November

2004 Murano

TIWA0327E

ADJUSTABLE PEDAL SYSTEM

AP-7

Revision: 2004 November

2004 Murano

TERMINAL AND REFERENCE VALUE FOR BCM

TERMINAL AND REFERENCE VALUE FOR PEDAL ADJUSTING CONTROL UNIT

WORK FLOW

Check the symptom and customer's requests.

Perform the preliminary check. Refer to

AP-7, "PRELIMINARY CHECK"

According to the trouble diagnosis chart, repair or replace the cause of the malfunction.
Refer to

AP-8, "TROUBLE DIAGNOSIS CHART BY SYMPTOM"

Does adjustable pedal system operate normally?
YES: GO TO 5.
NO: GO TO 3.

INSPECTION END

PRELIMINARY CHECK

CHECK ADJUSTABLE PEDAL MECHANISM

Check the following.

●

Movable part of accelerator pedal or brake pedal is deformed, or there is foreign material in it.

●

Accelerator pedal or brake pedal is deformed or broken.

OK or NG

>> Preliminary check is OK.

>> Repair the malfunctioning part and check again.

TERMINAL

WIRE

COLOR

ITEM

CONDITION

VOLTAGE (V)

(Approx)

BAT power supply

Ignition switch OFF

Battery voltage

49, 52

Ground

Ignition switch ON

W/R

Adjustable pedal power supply

Ignition switch OFF

Battery voltage

W/B

BAT power supply

Ignition switch OFF

Battery voltage

TERMINAL

WIRE

COLOR

ITEM

CONDITION

VOLTAGE (V)

(Approx)

Ground

Ignition switch turn ON

Detention switch (key) signal

Key switch ON
Selector lever in other than P-position

Battery voltage

Except the above

Ignition power supply

Ignition switch ON

Battery voltage

W/R

Battery power supply

Ignition switch OFF

Battery voltage

Pedal adjusting switch power supply
output

Ignition switch turn ON
Selector lever in other than P-position

Selector lever is shifted to P-position

Battery voltage

AP-8

ADJUSTABLE PEDAL SYSTEM

Revision: 2004 November

2004 Murano

TROUBLE DIAGNOSIS CHART BY SYMPTOM

NOTE:
Always check the "Work Flow" before troubleshooting. Refer to

AP-7, "WORK FLOW"

BCM POWER SUPPLY AND GROUND CIRCUIT INSPECTION

CHECK FUSE

●

Check 50A fusible link (letter F located in the fuse and fusible link box).

●

Check 10A fuse [No. 18, located in the fuse block (J/B)],

NOTE:
Refer to

AP-4, "COMPONENT PARTS AND HARNESS CONNECTOR LOCATION"

OK or NG

>> GO TO 2.

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to

PG-

3, "POWER SUPPLY ROUTING CIRCUIT"

CHECK BCM POWER SUPPLY

Turn ignition switch OFF.

Check voltage between BCM connector M35 terminal 42 (GR),
55 (W/B) and ground.

OK or NG

OK >> GO

>> Repair or replace harness between fuse and BCM.

CHECK BCM GROUND CIRCUIT

Check continuity between BCM connector M35 terminal 49 (B), 52
(B) and ground.

OK or NG

>> GO TO 4.

>> Repair or replace the harness between BCM and

ground.

Symptom

Diagnoses / service procedure

Refer to page

No adjustable pedal system operates.

BCM power supply and ground circuit inspection

AP-8

Pedal adjusting control unit supply and ground circuit
inspection

AP-10

Pedal adjusting switch power supply and ground inspection

AP-14

Pedal adjusting motor circuit inspection

AP-15

Replace pedal adjusting motor

AP-4

Adjustable pedal system does operate when igni-
tion switch turned ON and CVT selector lever is
other than P-position.

Key switch and CVT device circuit inspection

AP-11

Pedal adjusting control unit ignition signal inspection

AP-9

Replace pedal adjusting control unit

AP-4

Adjustable pedal system does not operate when
ignition switch turned ON and CVT selector lever
is other than P-position.

CVT device circuit inspection

AP-16

42 (GR) - Ground

: Battery voltage

55 (W/B) - Ground

: Battery voltage

PIIB0879E

49 (B) - Ground

: Continuity should exist.

52 (B) - Ground

: Continuity should exist.

PIIA6161E

Content .. 1 2 ..

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Nissan Murano Z50 (2004 year). Manual — part 1

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