Nissan Murano. Manual — part 1304

SRC-64

< DTC/CIRCUIT DIAGNOSIS >

[FOR USA AND CANADA]

B1430 SEAT BELT PRE-TENSIONER

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE SEAT BELT PRE-TENSIONER LH

1.

Replace seat belt pre-tensioner LH. Refer to

SR-28, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-63, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-63, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

B1431 SEAT BELT PRE-TENSIONER

SRC-65

< DTC/CIRCUIT DIAGNOSIS >

[FOR USA AND CANADA]

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B1431 SEAT BELT PRE-TENSIONER

DTC Logic

INFOID:0000000009718533

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Without CONSULT

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to

SRC-15, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to

SRC-65, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009718534

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.
Is the inspection result normal?

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

Possible cause

B1431

PRE-TEN FRONT RH
(Front seat belt pre-tension-
er squib right hand circuit)

[OPEN]

Seat belt pre-tensioner RH
circuit is open

• Connection malfunction or open

circuit of harness and connector

• Internal malfunction of seat belt

pre-tensioner RH

• Internal malfunction of air bag

diagnosis sensor unit

[VB-SHORT]

Seat belt pre-tensioner RH
circuit is shorted to power
supply circuit

• Connection malfunction or short

circuit to power supply of har-
ness and connector

• Internal malfunction of seat belt

pre-tensioner RH

• Internal malfunction of air bag

diagnosis sensor unit

[GND-SHORT]

Seat belt pre-tensioner RH
circuit is shorted to ground

• Connection malfunction or short

circuit to ground of harness and
connector

• Internal malfunction of seat belt

pre-tensioner RH

• Internal malfunction of air bag

diagnosis sensor unit

[SHORT]

Seat belt pre-tensioner RH
circuits are shorted to
each other

• Connection malfunction or short

circuit of harness and connector

• Internal malfunction of seat belt

pre-tensioner RH

• Internal malfunction of air bag

diagnosis sensor unit

SRC-66

< DTC/CIRCUIT DIAGNOSIS >

[FOR USA AND CANADA]

B1431 SEAT BELT PRE-TENSIONER

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE SEAT BELT PRE-TENSIONER RH

1.

Replace seat belt pre-tensioner RH. Refer to

SR-28, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-65, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to

SRC-65, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

DIAGNOSIS SENSOR UNIT

SRC-67

< ECU DIAGNOSIS INFORMATION >

[FOR USA AND CANADA]

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ECU DIAGNOSIS INFORMATION

DIAGNOSIS SENSOR UNIT

DTC Index

INFOID:0000000009718535

DTC

Diagnostic item

Number of times of warning lamp

blinking in diagnosis mode

Reference page

System display

Item display

U1000

CAN COMM CIRCUIT

—

—

—

SRC-21, "DTC
Logic"

U1010

CONTROL UNIT (CAN)

—

—

—

SRC-22, "DTC
Logic"

B0001

DRIVER AIRBAG MODULE

[OPEN]

Front air bag system

1

SRC-23, "DTC
Logic"

[VB-SHORT]

[GND-SHORT]

[SHORT]

B0002

DRIVER AIRBAG MODULE 2

[OPEN]

Front air bag system

1

SRC-26, "DTC
Logic"

[VB-SHORT]

[GND-SHORT]

[SHORT]

B0010

ASSIST A/B MODULE

[OPEN]

Front air bag system

2

SRC-29, "DTC
Logic"

[VB-SHORT]

[GND-SHORT]

[SHORT]

B0011

ASSIST A/B MODULE 2

[OPEN]

Front air bag system

2

SRC-31, "DTC
Logic"

[VB-SHORT]

[GND-SHORT]

[SHORT]

B0020

SIDE A/B MODULE LH

[OPEN]

Side air bag system

1

SRC-33, "DTC
Logic"

[VB-SHORT]

[GND-SHORT]

[SHORT]

B0021

CURTAIN A/B MODULE LH

[OPEN]

Side air bag system

3

SRC-35, "DTC
Logic"

[VB-SHORT]

[GND-SHORT]

[SHORT]

B0028

SIDE A/B MODULE RH

[OPEN]

Side air bag system

2

SRC-37, "DTC
Logic"

[VB-SHORT]

[GND-SHORT]

[SHORT]

B0029

CURTAIN A/B MODULE RH

[OPEN]

Side air bag system

4

SRC-39, "DTC
Logic"

[VB-SHORT]

[GND-SHORT]

[SHORT]