Nissan Sentra. Manual - part 796

DIAGNOSIS SENSOR UNIT

SRC-19

< ECU DIAGNOSIS INFORMATION >

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ECU DIAGNOSIS INFORMATION

DIAGNOSIS SENSOR UNIT

DTC Index

INFOID:0000000009757939

DIAGNOSTIC CODE CHART

NOTE:

Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is

eliminated using air bag warning lamp or CONSULT each time repair is finished. If malfunction is still

observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.    

DTC

CONSULT name

DTC detecting condition

Repair order

U1000

CAN COMMUNICATION FAILURE

CAN system communication failure.

Refer to 

SRC-43, "Diag-

nosis Procedure"

.

U1010

CAN COMMUNICATION FAILURE

[CONTROL UNIT]

CAN system (control unit) failure.

Refer to 

SRC-44, "Diag-

nosis Procedure"

.

B0001

DRIVER AIRBAG MODULE CIRCUIT 

[OPEN]

Driver air bag module circuit (DR1) is open
(including the spiral cable).

Refer to 

SRC-46, "Diag-

nosis Procedure"

.

DRIVER AIRBAG MODULE CIRCUIT 

[VB-SHORT]

Driver air bag module circuit (DR1) is short-
ed to a power supply circuit
(including the spiral cable).

DRIVER AIRBAG MODULE CIRCUIT 

[GND-SHORT]

Driver air bag module circuit (DR1) is short-
ed to ground
(including the spiral cable).

DRIVER AIRBAG MODULE CIRCUIT 

[SHORT]

Driver air bag module circuits (DR1) are 
shorted to each other
(including the spiral cable).

B0002

DRIVER AIRBAG MODULE 2ND CIRCUIT 

[OPEN]

Driver air bag module circuit (DR2) is open
(including the spiral cable).

DRIVER AIRBAG MODULE 2ND CIRCUIT 

[VB-SHORT]

Driver air bag module circuit (DR2) is short-
ed to a power supply circuit
(including the spiral cable).

DRIVER AIRBAG MODULE 2ND CIRCUIT 

[GND-SHORT]

Driver air bag module circuit (DR2) is short-
ed to ground
(including the spiral cable).

DRIVER AIRBAG MODULE 2ND CIRCUIT 

[SHORT]

Driver air bag module circuits (DR2) are 
shorted to each other
(including the spiral cable).

B0010

ASSIST AIRBAG MODULE CIRCUIT 

[OPEN]

Front passenger air bag module circuit 
(AS1) is open.

Refer to 

SRC-49, "Diag-

nosis Procedure"

.

ASSIST AIRBAG MODULE CIRCUIT 

[VB-SHORT]

Front passenger air bag module circuit 
(AS1) is shorted to a power supply circuit.

ASSIST AIRBAG MODULE CIRCUIT 

[GND-SHORT]

Front passenger air bag module circuit 
(AS1) is shorted to ground.

ASSIST AIRBAG MODULE CIRCUIT 

[SHORT]

Front passenger air bag module circuits 
(AS1) are shorted to each other.

B0011

ASSIST AIRBAG MODULE 2ND CIRCUIT 

[OPEN]

Front passenger air bag module circuit 
(AS2) is open.

ASSIST AIRBAG MODULE 2ND CIRCUIT 

[VB-SHORT]

Front passenger air bag module circuit 
(AS2) is shorted to a power supply circuit.

ASSIST AIRBAG MODULE 2ND CIRCUIT 

[GND-SHORT]

Front passenger air bag module circuit 
(AS2) is shorted to ground.

ASSIST AIRBAG MODULE 2ND CIRCUIT 

[SHORT]

Front passenger air bag module circuits 
(AS2) are shorted to each other.

SRC-20

< ECU DIAGNOSIS INFORMATION >

DIAGNOSIS SENSOR UNIT

B0020

SIDE AIRBAG MODULE LH CIRCUIT 

[OPEN]

Front LH side air bag module circuit is open. Refer to 

SRC-51, "Diag-

nosis Procedure"

.

SIDE AIRBAG MODULE LH CIRCUIT 

[VB-SHORT]

Front LH side air bag module circuit is short-
ed to a power supply circuit.

SIDE AIRBAG MODULE LH CIRCUIT 

[GND-SHORT]

Front LH side air bag module circuit is short-
ed to ground.

SIDE AIRBAG MODULE LH CIRCUIT 

[SHORT]

Front LH side air bag module circuits are 
shorted to each other.

B0021

CURTAIN AIRBAG MODULE LH CIRCUIT 

[OPEN]

LH side curtain air bag module circuit is 
open.

Refer to 

SRC-54, "Diag-

nosis Procedure"

.

CURTAIN AIRBAG MODULE LH CIRCUIT 

[VB-SHORT]

LH side curtain air bag module circuit is 
shorted to a power supply circuit.

CURTAIN AIRBAG MODULE LH CIRCUIT 

[GND-SHORT]

LH side curtain air bag module circuit is 
shorted to ground.

CURTAIN AIRBAG MODULE LH CIRCUIT 

[SHORT]

LH side curtain air bag module circuits are 
shorted to each other.

B0028

SIDE AIRBAG MODULE RH CIRCUIT 

[OPEN]

Front RH side air bag module circuit is open. Refer to 

SRC-57, "Diag-

nosis Procedure"

.

SIDE AIRBAG MODULE RH CIRCUIT 

[VB-SHORT]

Front RH side air bag module circuit is short-
ed to a power supply circuit.

SIDE AIRBAG MODULE RH CIRCUIT 

[GND-SHORT]

Front RH side air bag module circuit is short-
ed to ground.

SIDE AIRBAG MODULE RH CIRCUIT 

[SHORT]

Front RH side air bag module circuits are 
shorted to each other.

B0029

CURTAIN AIRBAG MODULE RH CIRCUIT 

[OPEN]

RH side curtain air bag module circuit is 
open.

Refer to 

SRC-60, "Diag-

nosis Procedure"

.

CURTAIN AIRBAG MODULE RH CIRCUIT 

[VB-SHORT]

RH side curtain air bag module circuit is 
shorted to a power supply circuit.

CURTAIN AIRBAG MODULE RH CIRCUIT 

[GND-SHORT]

RH side curtain air bag module circuit is 
shorted to ground.

CURTAIN AIRBAG MODULE RH CIRCUIT 

[SHORT]

RH side curtain air bag module circuits are 
shorted to each other.

B0091

B-PILLAR SATELLITE SENSOR LH

[SENSOR FAIL]

Front side air bag satellite sensor LH has 
malfunctioned.

Refer to 

SRC-64, "Diag-

nosis Procedure"

.

B-PILLAR SATELLITE SENSOR LH

[COMM FAIL]

Front side air bag satellite sensor LH com-
munication error.

B-PILLAR SATELLITE SENSOR LH

[DISCONNECT]

Front side air bag satellite sensor LH is dis-
connected.

B-PILLAR SATELLITE SENSOR LH

[UNMATCH]

Front side air bag satellite sensor LH is out 
of specification.

B-PILLAR SATELLITE SENSOR LH

[GND-SHORT]

Front side air bag satellite sensor LH circuit 
is shorted to ground.

B0092

C-PILLAR SATELLITE SENSOR LH

[SENSOR FAIL]

Rear side air bag satellite sensor LH has 
malfunctioned.

Refer to 

SRC-67, "Diag-

nosis Procedure"

.

C-PILLAR SATELLITE SENSOR LH

[COMM FAIL]

Rear side air bag satellite sensor LH com-
munication error.

C-PILLAR SATELLITE SENSOR LH

[DISCONNECT]

Rear side air bag satellite sensor LH is dis-
connected.

C-PILLAR SATELLITE SENSOR LH

[UNMATCH]

Rear side air bag satellite sensor LH is out 
of specification.

C-PILLAR SATELLITE SENSOR LH

[GND-SHORT]

Rear side air bag satellite sensor LH circuit 
is shorted to ground.

DTC

CONSULT name

DTC detecting condition

Repair order

DIAGNOSIS SENSOR UNIT

SRC-21

< ECU DIAGNOSIS INFORMATION >

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B0093

DOOR SATELLITE SENSOR LH

[SENSOR FAIL]

Front door satellite sensor LH has malfunc-
tioned.

Refer to 

SRC-70, "Diag-

nosis Procedure"

.

DOOR SATELLITE SENSOR LH

[COMM FAIL]

Front door satellite sensor LH communica-
tion error.

DOOR SATELLITE SENSOR LH

[DISCONNECT]

Front door satellite sensor LH is disconnect-
ed.

DOOR SATELLITE SENSOR LH

[UNMATCH]

Front door satellite sensor LH is out of spec-
ification.

DOOR SATELLITE SENSOR LH

[GND-SHORT]

Front door satellite sensor LH circuit is 
shorted to ground.

B0094

CRASH ZONE SENSOR

[SENSOR FAIL]

Crash zone sensor has malfunctioned.

Refer to 

SRC-73, "Diag-

nosis Procedure"

.

CRASH ZONE SENSOR

[COMM FAIL]

Crash zone sensor communication error.

CRASH ZONE SENSOR

[DISCONNECT]

Crash zone sensor is disconnected.

CRASH ZONE SENSOR

[UNMATCH]

Crash zone sensor is out of specification.

CRASH ZONE SENSOR

[GND-SHORT]

Crash zone sensor circuit is shorted to 
ground.

B0096

B-PILLAR SATELLITE SENSOR RH

[SENSOR FAIL]

Front side air bag satellite sensor RH has 
malfunctioned.

Refer to 

SRC-76, "Diag-

nosis Procedure"

.

B-PILLAR SATELLITE SENSOR RH

[COMM FAIL]

Front side air bag satellite sensor RH com-
munication error.

B-PILLAR SATELLITE SENSOR RH

[DISCONNECT]

Front side air bag satellite sensor RH is dis-
connected.

B-PILLAR SATELLITE SENSOR RH

[UNMATCH]

Front side air bag satellite sensor RH is out 
of specification.

B-PILLAR SATELLITE SENSOR RH

[GND-SHORT]

Front side air bag satellite sensor RH circuit 
is shorted to ground.

B0097

C-PILLAR SATELLITE SENSOR RH

[SENSOR FAIL]

Rear side air bag satellite sensor RH has 
malfunctioned.

Refer to 

SRC-79, "Diag-

nosis Procedure"

.

C-PILLAR SATELLITE SENSOR RH

[COMM FAIL]

Rear side air bag satellite sensor RH com-
munication error.

C-PILLAR SATELLITE SENSOR RH

[DISCONNECT]

Rear side air bag satellite sensor RH is dis-
connected.

C-PILLAR SATELLITE SENSOR RH

[UNMATCH]

Rear side air bag satellite sensor RH is out 
of specification.

C-PILLAR SATELLITE SENSOR RH

[GND-SHORT]

Rear side air bag satellite sensor RH circuit 
is shorted to ground.

B0098

DOOR SATELLITE SENSOR RH

[SENSOR FAIL]

Front door satellite sensor RH has malfunc-
tioned.

Refer to 

SRC-82, "Diag-

nosis Procedure"

.

DOOR SATELLITE SENSOR RH

[COMM FAIL]

Front door satellite sensor RH communica-
tion error.

DOOR SATELLITE SENSOR RH

[DISCONNECT]

Front door satellite sensor RH is discon-
nected.

DOOR SATELLITE SENSOR RH

[UNMATCH]

Front door satellite sensor RH is out of spec-
ification.

DOOR SATELLITE SENSOR RH

[GND-SHORT]

Front door satellite sensor RH circuit is 
shorted to ground.

DTC

CONSULT name

DTC detecting condition

Repair order

SRC-22

< ECU DIAGNOSIS INFORMATION >

DIAGNOSIS SENSOR UNIT

B1421

FRONTAL COLLISION DETECTION

Frontal collision detected. Driver and/or 
front passenger air bag modules are de-
ployed.

Refer to 

SRC-98, "DTC 

Logic"

.

B1422

SIDE COLLISION DETECTION

Side collision detected. Curtain air bag mod-
ule and seat belt pre-tensioner are de-
ployed.

B1425

REAR COLLISION DETECTION

Rear collision has been detected.

B1426

AIRBAG DISPOSAL COMPLETION

Collision has been detected. Air bag diagno-
sis sensor unit has not yet been replaced 
following repairs.

B1428

SEAT BELT BUCKLE SW LH CIRCUIT 

[OPEN]

LH seat belt buckle switch circuit is open.

Refer to 

SRC-84, "Diag-

nosis Procedure"

.

SEAT BELT BUCKLE SW LH CIRCUIT 

[VB-SHORT]

LH seat belt buckle switch circuit is shorted 
to a power supply circuit.

SEAT BELT BUCKLE SW LH CIRCUIT 

[GND-SHORT]

LH seat belt buckle switch circuit is shorted 
to ground.

SEAT BELT BUCKLE SW LH CIRCUIT 

[UNDEFINED]

LH seat belt buckle switch circuit malfunc-
tion.

B1429

SEAT BELT BUCKLE SW RH CIRCUIT 

[OPEN]

RH seat belt buckle switch circuit is open.

Refer to 

SRC-87, "Diag-

nosis Procedure"

.

SEAT BELT BUCKLE SW RH CIRCUIT 

[VB-SHORT]

RH seat belt buckle switch circuit is shorted 
to a power supply circuit.

SEAT BELT BUCKLE SW RH CIRCUIT 

[GND-SHORT]

RH seat belt buckle switch circuit is shorted 
to ground.

SEAT BELT BUCKLE SW RH CIRCUIT 

[UNDEFINED]

RH seat belt buckle switch circuit malfunc-
tion.

B1430

FRONT PRE-TEN LH CIRCUIT 

[OPEN]

LH seat belt pre-tensioner circuit is open. 
(shoulder belt)

Refer to 

SRC-91, "Diag-

nosis Procedure"

.

FRONT PRE-TEN LH CIRCUIT 

[VB-SHORT]

LH seat belt pre-tensioner circuit is shorted 
to a power supply circuit. (shoulder belt)

FRONT PRE-TEN LH CIRCUIT 

[GND-SHORT]

LH seat belt pre-tensioner circuit is shorted 
to ground. (shoulder belt)

FRONT PRE-TEN LH CIRCUIT 

[SHORT]

LH seat belt pre-tensioner circuits are short-
ed to each other. (shoulder belt)

B1431

FRONT PRE-TEN RH CIRCUIT 

[OPEN]

RH seat belt pre-tensioner circuit is open. 
(shoulder belt)

Refer to 

SRC-94, "Diag-

nosis Procedure"

.

FRONT PRE-TEN RH CIRCUIT 

[VB-SHORT]

RH seat belt pre-tensioner circuit is shorted 
to a power supply circuit. (shoulder belt)

FRONT PRE-TEN RH CIRCUIT 

[GND-SHORT]

RH seat belt pre-tensioner circuit is shorted 
to ground. (shoulder belt)

FRONT PRE-TEN RH CIRCUIT 

[SHORT]

RH seat belt pre-tensioner circuits are short-
ed to each other. (shoulder belt)

B1432

FRONT PRE-TEN2 LH CIRCUIT 

[OPEN]

LH seat belt pre-tensioner circuit is open. 
(lap belt)

Refer to 

SRC-91, "Diag-

nosis Procedure"

.

FRONT PRE-TEN2 LH CIRCUIT 

[VB-SHORT]

LH seat belt pre-tensioner circuit is shorted 
to a power supply circuit. (lap belt)

FRONT PRE-TEN2 LH CIRCUIT 

[GND-SHORT]

LH seat belt pre-tensioner circuit is shorted 
to ground. (lap belt)

FRONT PRE-TEN2 LH CIRCUIT 

[SHORT]

LH seat belt pre-tensioner circuits are short-
ed to each other. (lap belt)

DTC

CONSULT name

DTC detecting condition

Repair order