
SRC-24
< ECU DIAGNOSIS INFORMATION >
DIAGNOSIS SENSOR UNIT
5. Count the short secondary flashes that follow the primary flashes.
6. Match the correct flashing pattern to the ma lfunctioning component and perform the Diagnosis Procedure.
Refer to the illustrations below fo r an example of each flashing pattern.
Front subsystem
Side subsystem
Air bag subsystem
AWHIA0430GB
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
21.5 1 Driver air bag module
SRC-45, "Diagnosis Proce-
dure"
2 Passenger air bag moduleSRC-49, "Diagnosis Proce-dure"
3 Front LH seat belt pre-tensioner (shoulder)SRC-64, "Diagnosis Proce-dure"
4 Front RH seat belt pre-tensioner (shoulder)
SRC-67, "Diagnosis Proce-dure"
5 Front LH seat belt pre-tensioner (lap)SRC-64, "Diagnosis Proce-dure"
6 Front RH seat belt pre-tensioner (lap)SRC-67, "Diagnosis Proce-dure"
AWHIA0431GB
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
31.5 1 Front LH side air bag module
SRC-52, "Diagnosis Proce-
dure"
2 Front RH side air bag moduleSRC-55, "Diagnosis Proce-dure"
3 LH side curtain air bag module
SRC-58, "Diagnosis Proce-dure"
4 RH side curtain air bag moduleSRC-61, "Diagnosis Proce-dure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DIAGNOSIS SENSOR UNITSRC-25
< ECU DIAGNOSIS INFORMATION >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
Sensor subsystem
AWHIA0432GB
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
13 1 Collision detection
SRC-103, "Diagnosis Proce-
dure"
2 Air bag diagnosis sensor unit
SRC-91, "Diagnosis Proce-dure"
3 Passenger air bag OFF indicatorSRC-94, "Diagnosis Proce-dure"
4 Occupant classification systemSRC-101, "Diagnosis Proce-dure"
AWHIA0433GB
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
23 1 Crash zone sensor
SRC-70, "Diagnosis Proce-
dure"
2 Front side air bag satellite sensor LHSRC-73, "Diagnosis Proce-dure"
3 Front side air bag satellite sensor RH
SRC-76, "Diagnosis Proce-dure"
4 Rear side air bag satellite sensor LHSRC-79, "Diagnosis Proce-dure"
5 Rear side air bag satellite sensor RHSRC-82, "Diagnosis Proce-dure"
6 Front door satellite sensor LH
SRC-85, "Diagnosis Proce-dure"
7 Front door satellite sensor RHSRC-88, "Diagnosis Proce-dure"
8 Seat belt buckle switch LHSRC-97, "Diagnosis Proce-dure"
9 Seat belt buckle switch RH
SRC-99, "Diagnosis Proce-dure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SRC-44
< DTC/CIRCUIT DIAGNOSIS >
B0001, B0002 DRIVER AIRBAG MODULE
DTC/CIRCUIT DIAGNOSIS
B0001, B0002 DRIVER AIRBAG MODULE
DescriptionINFOID:0000000009460741
DTC B0001, B0002 DRIVER AIRBAG MODULE
The driver air bag module is dual stage and wired to the air bag diagnosis sensor unit through the spiral cable.
The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the driver air bag mod-
ule including the spiral cable.
PA R T L O C AT I O N
Refer to SRC-5, "Component Parts Location".
DTC LogicINFOID:0000000009460742
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
CONSULT name DTC DTC detect ing condition Repair order
DRIVER AIRBAG MODULE CIRCUIT [OPEN]
B0001Driver air bag module circuit
(DR1) is open
(including the spiral cable). Refer to
SRC-45, "Diagnosis Proce-
dure".
DRIVER AIRBAG MODULE CIRCUIT [VB-SHORT] Driver air bag module circuit
(DR1) is shorted to a power sup-
ply circuit
(including the spiral cable).
DRIVER AIRBAG MODULE CIRCUIT [GND-SHORT] Driver air bag module circuit
(DR1) is shorted 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).
DRIVER AIRBAG MODULE 2ND CIRCUIT [OPEN]
B0002Driver 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 shorted to a power sup-
ply circuit
(including the spiral cable).
DRIVER AIRBAG MODULE 2ND CIRCUIT [GND-SHORT] Driver air bag module circuit
(DR2) is shorted 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).
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
2 1.5 1 Driver air bag module SRC-45, "Diagnosis Procedure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SRC-48
< DTC/CIRCUIT DIAGNOSIS >
B0010, B0011 PASSENGER AIRBAG MODULE
B0010, B0011 PASSENGER AIRBAG MODULE
DescriptionINFOID:0000000009460744
DTC B0010, B0011 PASSENGER AIR BAG MODULE
The passenger air bag module is dual stage and is wired to the air bag diagnosis sensor unit. The air bag
diagnosis sensor unit will monitor for opens and shorts in detected lines to the passenger air bag module.
PA R T L O C AT I O N
Refer to SRC-5, "Component Parts Location".
DTC LogicINFOID:0000000009460745
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check for DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to SRC-49, "Diagnosis Procedure".
YES (Past DTC)>>GO TO 2.
NO >> Inspection End.
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased?
CONSULT name DTC DTC detecting condition Repair order
ASSIST AIRBAG MODULE CIRCUIT [OPEN]
B0010Front passenger air bag module circuit
(AS1) is open. Refer to
SRC-49, "Diagnosis Proce-
dure".
ASSIST AIRBAG MODULE CIRCUIT [VB-SHORT] Front passenger air bag module circuit
(AS1) is shorted to a power supply cir-
cuit.
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 cir-
cuits (AS1) are shorted to each other.
ASSIST AIRBAG MODULE 2ND CIRCUIT [OPEN]
B0011Front 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 cir-
cuit.
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 cir-
cuits (AS2) are shorted to each other.
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
2 1.5 2 Passenger air bag module SRC-49, "Diagnosis Procedure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

B0020 SIDE AIRBAG MODULE LHSRC-51
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B0020 SIDE AIRBAG MODULE LH
DescriptionINFOID:0000000009460747
DTC B0020 FRONT LH SIDE AIR BAG MODULE
The front LH side air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the front LH side air bag module.
PA R T L O C AT I O N
Refer to SRC-5, "Component Parts Location".
DTC LogicINFOID:0000000009460748
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check for DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to SRC-52, "Diagnosis Procedure".
YES (Past DTC)>>GO TO 2.
NO >> Inspection End.
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased?
YES >> Inspection End.
NO >> Refer to SRC-52, "Diagnosis Procedure"
.
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-17, "Trouble Diagnosis without CONSULT"
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
CONSULT name DTC DTC detecting condition Repair order
SIDE AIRBAG MODULE LH CIRCUIT [OPEN]
B0020Front LH side air bag module circuit is
open. Refer to
SRC-52, "Diagnosis Procedure"
.
SIDE AIRBAG MODULE LH CIRCUIT [VB-SHORT] Front LH side air bag module circuit is
shorted to a power supply circuit.
SIDE AIRBAG MODULE LH CIRCUIT [GND-SHORT] Front LH side air bag module circuit is
shorted to ground.
SIDE AIRBAG MODULE LH CIRCUIT [SHORT] Front LH side air bag module circuits
are shorted to each other.
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
3 1.5 1 Front LH side air bag module SRC-52, "Diagnosis Procedure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SRC-54
< DTC/CIRCUIT DIAGNOSIS >
B0028 SIDE AIRBAG MODULE RH
B0028 SIDE AIRBAG MODULE RH
DescriptionINFOID:0000000009460750
DTC B0028 FRONT RH SIDE AIR BAG MODULE
The front RH side air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the front RH side air bag module.
PA R T L O C AT I O N
Refer to SRC-5, "Component Parts Location".
DTC LogicINFOID:0000000009460751
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check for DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to SRC-55, "Diagnosis Procedure".
YES (Past DTC)>>GO TO 2.
NO >> Inspection End.
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased?
YES >> Inspection End.
NO >> Refer to SRC-55, "Diagnosis Procedure"
.
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-17, "Trouble Diagnosis without CONSULT"
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
CONSULT name DTC DTC detecting condition Repair order
SIDE AIRBAG MODULE RH CIRCUIT [OPEN]
B0028Front RH side air bag module circuit is
open. Refer to
SRC-55, "Diagnosis Procedure"
.
SIDE AIRBAG MODULE RH CIRCUIT [VB-SHORT] Front RH side air bag module circuit is
shorted to a power supply circuit.
SIDE AIRBAG MODULE RH CIRCUIT [GND-SHORT] Front RH side air bag module circuit is
shorted to ground.
SIDE AIRBAG MODULE RH CIRCUIT [SHORT] Front RH side air bag module circuits
are shorted to each other.
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
3 1.5 2 Front RH side air bag module SRC-55, "Diagnosis Procedure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

B0021 SIDE CURTAIN AIR BAG MODULE LHSRC-57
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B0021 SIDE CURTAIN AIR BAG MODULE LH
DescriptionINFOID:0000000009460753
DTC B0021 LH SIDE CURTAIN AIR BAG MODULE
The LH side curtain air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the LH side curtain air bag module.
PA R T L O C AT I O N
Refer to SRC-5, "Component Parts Location".
DTC LogicINFOID:0000000009460754
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check for DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to SRC-58, "Diagnosis Procedure".
YES (Past DTC)>>GO TO 2.
NO >> Inspection End.
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased?
YES >> Inspection End.
NO >> Refer to SRC-58, "Diagnosis Procedure"
.
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-17, "Trouble Diagnosis without CONSULT"
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
CONSULT name DTC DTC detecting condition Repair order
CURTAIN AIRBAG MODULE LH CIRCUIT [OPEN]
B0021LH side curtain air bag module circuit
is open. Refer to
SRC-58, "Diagnosis Proce-
dure".
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.
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
3 1.5 3 LH side curtain air bag module SRC-58, "Diagnosis Procedure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

SRC-60
< DTC/CIRCUIT DIAGNOSIS >
B0029 SIDE CURTAIN AIR BAG MODULE RH
B0029 SIDE CURTAIN AIR BAG MODULE RH
DescriptionINFOID:0000000009460756
DTC B0029 RH SIDE CURTAIN AIR BAG MODULE
The RH side curtain air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the RH side curtain air bag module.
PA R T L O C AT I O N
Refer to SRC-5, "Component Parts Location".
DTC LogicINFOID:0000000009460757
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check for DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to SRC-61, "Diagnosis Procedure".
YES (Past DTC)>>GO TO 2.
NO >> Inspection End.
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased?
YES >> Inspection End.
NO >> Refer to SRC-61, "Diagnosis Procedure"
.
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-17, "Trouble Diagnosis without CONSULT"
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
CONSULT name DTC DTC detecting condition Repair order
CURTAIN AIRBAG MODULE RH CIRCUIT [OPEN]
B0029RH side curtain air bag module circuit
is open. Refer to
SRC-61, "Diagnosis Proce-
dure".
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 cir-
cuits are shorted to each other.
Flashes
(Primary) Flash Length
(seconds) Flashes
(Secondary) Malfunctioning Component or Circuit Reference
3 1.5 4 RH side curtain air bag module SRC-61, "Diagnosis Procedure"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM