Nissan Murano Z51. Manual - part 1347

SRC-158

< DTC/CIRCUIT DIAGNOSIS >

[FOR USA AND CANADA]

B1218, B1219 DIAGNOSIS SENSOR UNIT

NO

>> Replace wiring harness.

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-25, "Exploded View"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-157, "DTC Logic"

.

Is DTC detected?

YES

>>  GO TO 1.

NO

>> INSPECTION END

DIAGNOSIS SENSOR UNIT

SRC-159

< ECU DIAGNOSIS INFORMATION >

[FOR USA AND CANADA]

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

ECU DIAGNOSIS INFORMATION

DIAGNOSIS SENSOR UNIT

DTC Index

INFOID:0000000005513691

DTC No. Index (With CONSULT-lll)

(“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
NOTE:
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp or CONSULT-III each time repair is completed. If malfunction is still
observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.    

Diagnostic item

Explanation

Repair order

“Recheck SRS at each replacement”

NO DTC IS DETECT-
ED.

Malfunction is indicated 
by the “AIR BAG” warn-
ing lamp in User mode.

• Low battery voltage (Less than 9 V)

• Self-diagnosis result “SELF-DIAG 

[PAST]” (previously stored in the 
memory) might not be erased after re-
pair.

• Intermittent malfunction has been de-

tected in the past.

Go to 

SRC-17, "Diagnosis Descrip-

tion"

.

• No malfunction is detected.

—

CONTROL UNIT
[B1001-B1015]

• Air bag diagnosis sensor unit is out of order or mis-match

Replace air bag diagnosis sensor unit

OCCUPANT SENS C/U
[UNIT FAIL]
[B1017]
[B1020]
[B1021]

• Trouble occurs in OCS-C/U

1.

Repair or replace wiring harness/
harness connector

2.

Replace front passenger seat 
cushion and occupant classifica-
tion system (C/U) as an assembly

OCCUPANT SENS 
[UNIT FAIL]
[B1018]

• Trouble occurs in OCS-SENSOR

1.

Repair or replace wiring harness/
harness connector

2.

Replace front passenger seat 
cushion and occupant classifica-
tion system (C/U) as an assembly

OCCUPANT SENS C/U
[COMM FAIL]
[B1022]

• Trouble occurs in OCS-C/U, circuit of OCS-C/U~Air bag diagno-

sis sensor unit, or Air bag diagnosis sensor unit

1.

Repair or replace wiring harness/
harness connector

2.

Replace front passenger seat 
cushion and occupant classifica-
tion system (C/U) as an assembly

3.

Replace air bag diagnosis sensor 
unit

PASS A/B INDCTR CKT
[B1023]

• Cut-off telltale circuit is open or shorted to ground or the circuits 

are shorted each other

1.

Repair or replace wiring harness/
harness connector

2.

Replace front passenger air bag 
OFF indicator

3.

Replace air bag diagnosis sensor 
unit

OCS SENSOR
[B1025]
[B1032]
[B1048]

Malfunction occurs in Occupant Detection System control unit, cir-
cuit of Occupant Detection System control unit air bag diagnosis 
sensor unit, or air bag diagnosis sensor unit

1.

Repair or replace wiring harness/
harness connector

2.

Replace front passenger seat 
cushion and occupant classifica-
tion system (C/U) as an assembly

3.

Replace air bag diagnosis sensor 
unit

CONTROL UNIT
[B1026-B1031]

• Air bag diagnosis sensor unit is out of order or mis-match

Replace air bag diagnosis sensor unit

SRC-160

< ECU DIAGNOSIS INFORMATION >

[FOR USA AND CANADA]

DIAGNOSIS SENSOR UNIT

CRASH ZONE SEN
[UNIT FAIL]
[B1033]
[B1034]
CRASH ZONE SEN
[COMM FAIL]
[B1035]
[UNMATCH]
[B1036]

[OPEN/UPR-VB-
SHORT]
[B1038]

[SHORT/UPR-GND-
SHORT]
[B1040]

• Crash zone sensor is out of order

1.

Repair or replace wiring harness/
harness connector

2.

Replace crash zone sensor

3.

Replace air bag diagnosis sensor 
unit

CRASH ZONE SEN1
[B1037]
[B1039]
[B1041]

Crash zone sensor is malfunctioning

1.

Repair or replace wiring harness/
harness connector

2.

Replace crash zone sensor

3.

Replace air bag diagnosis sensor 
unit

CONTROL UNIT
[B1042-B1047]

• Air bag diagnosis sensor unit is out of order or mis-match

Replace air bag diagnosis sensor unit

DRIVER AIRBAG MOD-
ULE
[OPEN]
[B1049] [B1054]

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

1.

Repair or replace wiring harness/
harness connector

2.

Replace driver air bag module

3.

Replace spiral cable. Refer to 

SRC-48, "Diagnosis Procedure"

4.

Replace air bag diagnosis sensor 
unit

DRIVER AIRBAG MOD-
ULE
[VB-SHORT]
[B1050] [B1055]

• Driver air bag module circuit is shorted to some power supply cir-

cuit (including the spiral cable)

DRIVER AIRBAG MOD-
ULE
[GND-SHORT]
[B1051] [B1056]

• Driver air bag module circuit is shorted to ground (including the 

spiral cable)

DRIVER AIRBAG MOD-
ULE
[SHORT]
[B1052] [B1057]

• Driver air bag module circuits are shorted to each other (includ-

ing spiral cable)

CONTROL UNIT
[B1058-B1063]

• Air bag diagnosis sensor unit is out of order or mis-match

Replace air bag diagnosis sensor unit

ASSIST A/B MODULE
[OPEN]
[B1065] [B1070]

• Front passenger air bag module circuit is open

1.

Repair or replace wiring harness/
harness connector

2.

Replace front passenger air bag 
module

3.

Replace air bag diagnosis sensor 
unit

ASSIST A/B MODULE
[VB-SHORT]
[B1066] [B1071]

• Front passenger air bag module circuit is shorted to some power 

supply circuit

ASSIST A/B MODULE
[GND-SHORT]
[B1067] [B1072]

• Front passenger air bag module circuit is shorted to ground

ASSIST A/B MODULE
[SHORT]
[B1068] [B1073]

• Front passenger air bag module circuits are shorted to each oth-

er

Diagnostic item

Explanation

Repair order

“Recheck SRS at each replacement”

DIAGNOSIS SENSOR UNIT

SRC-161

< ECU DIAGNOSIS INFORMATION >

[FOR USA AND CANADA]

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

CONTROL UNIT
[B1074-B1079]

• Air bag diagnosis sensor unit is out of order or mis-match

Replace air bag diagnosis sensor unit

DRIVER AIRBAG MOD-
ULE
[SHORT]
[B1080]
[B1096]

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

1.

Repair or replace wiring harness/
harness connector

2.

Replace driver air bag module

3.

Replace spiral cable. Refer to 

SRC-71, "Diagnosis Procedure"

4.

Replace air bag diagnosis sensor 
unit

PRE-TEN FRONT RH
[OPEN]
[B1081]

• Front RH seat belt pre-tensioner circuit is open

1.

Repair or replace wiring harness/
harness connector

2.

Replace front RH seat belt pre-
tensioner

3.

Replace air bag diagnosis sensor 
unit

PRE-TEN FRONT RH
[VB-SHORT]
[B1082]

• Front RH seat belt pre-tensioner circuit is shorted to some power 

supply circuit

PRE-TEN FRONT RH
[GND-SHORT]
[B1083]

• Front RH seat belt pre-tensioner circuit is shorted to ground

PRE-TEN FRONT RH
[SHORT]
[B1084]

• Front RH seat belt pre-tensioner circuits are shorted to each oth-

er

PRE-TEN FRONT LH
[OPEN]
[B1086]

• Front LH seat belt pre-tensioner circuit is open

1.

Repair or replace wiring harness/
harness connector

2.

Replace front LH seat belt pre-
tensioner

3.

Replace air bag diagnosis sensor 
unit

PRE-TEN FRONT LH
[VB-SHORT]
[B1087]

• Front LH seat belt pre-tensioner circuit is shorted to some power 

supply circuit

PRE-TEN FRONT LH
[GND-SHORT]
[B1088]

• Front LH seat belt pre-tensioner circuit is shorted to ground

PRE-TEN FRONT LH
[SHORT]
[B1089]

• Front LH seat belt pre-tensioner circuits are shorted to each oth-

er

CONTROL UNIT
[B1090-B1093]

Air bag diagnosis sensor unit is malfunctioning or out of the speci-
fied specification

Replace air bag diagnosis sensor unit

CONTROL UNIT
[B1106-B1111]

• Air bag diagnosis sensor unit is out of order or mis-match

Replace air bag diagnosis sensor unit

SATELLITE SENS RH
[UNIT FAIL]
[B1113]
[B1114]
SATELLITE SENS RH
[COMM FAIL]
[B1115]
[UNMATCH]
[B1116]

• RH satellite sensor is out of order

1.

Repair or replace wiring harness/
harness connector

2.

Replace RH satellite sensor

3.

Replace air bag diagnosis sensor 
unit

SATELLITE SENS LH
[UNIT FAIL]
[B1118]
[B1119]
SATELLITE SENS LH
[COMM FAIL]
[B1120]
[UNMATCH]
[B1121]

• LH satellite sensor unit is out of order

1.

Repair or replace wiring harness/
harness connector

2.

Replace LH satellite sensor

3.

Replace air bag diagnosis sensor 
unit

Diagnostic item

Explanation

Repair order

“Recheck SRS at each replacement”