Nissan X-Trail 32. Manual - part 1978

SRC-80

< DTC/CIRCUIT DIAGNOSIS >

B142A IGN VOLTAGE

3.

CHECK WIRING HARNESS

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

YES

>> GO TO 4.

NO

>> Replace malfunctioning harness and connector.

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-38, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-79, "DTC Description"

.

Is DTC detected?

YES

>>  GO TO 1.

NO

>> INSPECTION END

B1430 SEAT BELT PRE-TENSIONER

SRC-81

< DTC/CIRCUIT DIAGNOSIS >

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B1430 SEAT BELT PRE-TENSIONER

DTC Description

INFOID:0000000010688507

DTC DETECTION LOGIC

POSSIBLE CAUSE

[B1430–09, B1430–1A]

• Connection malfunction or short circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit

[B1430–11]

• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit

[B1430–12]

• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit

[B1430–13]

• Connection malfunction or open circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit

FAIL-SAFE

—

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.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-82, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1430–09

PRE-TEN FRONT LH
[front seat belt pre-tensioner squib left hand 
component failures (cross connection)]

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

B1430–11

PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand 
circuit short to GND)

Seat belt pre-tensioner LH circuit is shorted to ground

B1430–12

PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand 
circuit short to battery)

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

B1430–13

PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand 
circuit)

Seat belt pre-tensioner LH circuit is open

B1430–1A

PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand 
circuit resistance below threshold)

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

SRC-82

< DTC/CIRCUIT DIAGNOSIS >

B1430 SEAT BELT PRE-TENSIONER

Diagnosis Procedure

INFOID:0000000010688508

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 for disconnection, looseness or damage.

Is the inspection result normal?

YES

>> GO TO 2.

NO–1 >> Damage: Replace malfunctioning harness and connector.
NO–2 >> Disconnection or looseness: Securely lock the connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace malfunctioning harness and connector.

3.

REPLACE SEAT BELT PRE-TENSIONER LH

1.

Replace seat belt pre-tensioner LH. Refer to 

SR-36, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-81, "DTC Description"

.

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-38, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-81, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1. 

NO

>> INSPECTION END

B1431 SEAT BELT PRE-TENSIONER

SRC-83

< DTC/CIRCUIT DIAGNOSIS >

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B1431 SEAT BELT PRE-TENSIONER

DTC Description

INFOID:0000000010688509

DTC DETECTION LOGIC

POSSIBLE CAUSE

[B1431–09, B1431–1A]

• 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

[B1431–11]

• 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

[B1431–12]

• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit

[B1431–13]

• 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

FAIL-SAFE

—

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.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-84, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1431–09

PRE-TEN FRONT RH 
[front seat belt pre-tensioner squib right hand 
component failures (cross connection)]

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

B1431–11

PRE-TEN FRONT RH 
(front seat belt pre-tensioner squib right hand 
circuit short to GND)

Seat belt pre-tensioner RH circuit is shorted to ground

B1431–12

PRE-TEN FRONT RH 
(front seat belt pre-tensioner squib right hand 
circuit short to battery)

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

B1431–13

PRE-TEN FRONT RH 
(front seat belt pre-tensioner squib right hand 
circuit)

Seat belt pre-tensioner RH circuit is open

B1431–1A

PRE-TEN FRONT RH 
(front seat belt pre-tensioner squib right hand 
circuit resistance below threshold)

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