Nissan Murano Z51 (2008 year). Manual — part 357
SRC-128
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000003367517
DTC B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
Detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the air
bag warning lamp in the combination meter. Malfunctioning part can be detected by on board self-diagnosis
system and electro-diagnosis tester CONSULT-III.
OPERATION
It detects a shock that exceeds specified level and monitors such systems as the driver and passenger air
bag, side air bag, curtain air bag, pre-tensioner seat belts and Occupant Classification System (OCS) operate
properly.
STRUCTURE
It contains the “G” sensors for both frontal and side collisions and spare battery function in case of main bat-
tery damage in collision.
INSTALLATION
Air bag diagnosis sensor unit is installed under the center console with fixed bolts.
DTC Logic
INFOID:0000000003367518
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-III)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
SRC-129, "Diagnosis Procedure"
NO
>> INSPECTION END.
DTC CONFIRMATION PROCEDURE (Without CONSULT-III)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
INSPECTION START
Turn ignition switch ON.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1202
B1203
B1204
B1205
B1206
B1207
CONTROL UNIT
Air bag diagnosis sensor unit is out of
order or mis-match
• Internal breakdown in air bag diag-
nosis sensor unit
• Mis-match between specification on
vehicle and configuration in air bag
diagnosis sensor unit
Revision: 2008 October
2009 Murano
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
SRC-129
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
>> GO TO 2.
2.
CHECK AIR BAG WARNING LAMP
Check the air bag warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to warning lamp flash code chart.
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000003367519
With CONSULT-III
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness connectors.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace wiring harness.
3.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit.
2.
Check the screen of CONSULT-III.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
Revision: 2008 October
2009 Murano
SRC-130
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
B1209 FRONTAL COLLISION DETECTION
B1209 FRONTAL COLLISION DETECTION
Description
INFOID:0000000003367520
DTC B1209 FRONTAL COLLISION DETECTION
When detect a component damage resulting from a front collision, blinks or illuminates the air bag warning
lamp to inform the driver. Malfunctioning can be detected by the CONSULT-III.
OPERATION
The air bags and seat belt pre-tensioners for driver and front passenger are operated by the decision of the air
bag diagnosis sensor unit out signal transmitted because of the frontal collision.
STRUCTURE
It consists of crash zone sensor, air bag diagnosis sensor unit, air bags and seat belt pre-tensioners for driver
and front passenger.
INSTALLATION
SR-15, "Removal and Installation"
,
SR-19, "Removal and Installation"
,
SR-5, "Removal and Installation"
,
SR-11, "Removal and Installation"
DTC Logic
INFOID:0000000003367521
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-III)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
SRC-130, "Diagnosis Procedure"
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000003367522
With CONSULT-lll
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK FRONT AIR BAG MODULE
Check front air bag modules. (driver air bag module and/or front passenger air bag module.)
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1209
FRONTAL COLLISION
DETECTION
Front seat belt pre-tensioner, front air
bag is deployed
—
Revision: 2008 October
2009 Murano
B1209 FRONTAL COLLISION DETECTION
SRC-131
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
Is the front air bag module deployed?
YES
>> Replace front air bag modules. Refer to
SR-5, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK FRONT SEAT BELT PRE-TENSIONER
Check front seat belt pre-tensioner.
Is the front seat belt pre-tensioner activated?
YES
>> Replace front seat belt pre-tensioner. Refer to
SR-21, "Removal and Installation"
.
NO
>> GO TO 3.
3.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check air bag diagnosis sensor unit.
Is the front air bag module and/or front seat belt pre-tensioner activated?
YES
>> Replace air bag diagnosis sensor unit. Refer to
SR-19, "Removal and Installation"
.
NO
>> GO TO 4.
4.
CHECK STEERING WHEEL
Check steering wheel.
Is the steering wheel normal?
YES
>> GO TO 5.
NO
>> Replace steering wheel.
5.
CHECK SPIRAL CABLE
1.
Check the continuity of spiral cable.Refer to
2.
Operate the steering wheel to check excessive heavy operation force, abnormal noise or damage.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace spiral cable. Refer to
SR-8, "Removal and Installation"
6.
CHECK WIRING HARNESS/HARNESS CONNECTOR
Check wiring harness/harness connector.
Is the wiring harness/harness connector normal?
YES
>> GO TO 7.
NO
>> Repair or replace wiring harness/harness connector.
7.
FINAL CHECK
Check the screen of CONSULT-III and/or Air bag warning lamp status.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
Revision: 2008 October
2009 Murano
SRC-132
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
B1210 SIDE COLLISION DETECTION
B1210 SIDE COLLISION DETECTION
Description
INFOID:0000000003367523
DTC B1210 SIDE COLLISION DETECTION
When detect a component damage resulting from a side collision, brinks or illuminates the air bag warning
lamp to inform the driver. Malfunctioning can be detected by the CONSULT-III.
OPERATION
The front side air bag and side curtain air bag are operated by the decision of the air bag diagnosis sensor unit
signal of the side collision.
STRUCTURE
It consists of satellite sensor, air bag diagnosis sensor unit, front side air bag and side curtain air bag.
INSTALLATION
SR-17, "Removal and Installation"
,
SR-19, "Removal and Installation"
.
DTC Logic
INFOID:0000000003367524
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-III)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
SRC-132, "Diagnosis Procedure"
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000003367525
With CONSULT-III
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor)
• Do not use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK FRONT SIDE AIR BAG MODULE
Check front side air bag module.
Is the front side air bag module deployed?
YES
>> Replace front side air bag module.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1210
SIDE COLLISION DE-
TECTION
Front side air bag, side curtain air bag is
deployed
—
Revision: 2008 October
2009 Murano
B1210 SIDE COLLISION DETECTION
SRC-133
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
NO
>> GO TO 2.
2.
CHECK SIDE CURTAIN AIR BAG MODULE
Check side curtain air bag module.
Is the side curtain air bag module deployed?
YES
>> Replace side curtain air bag module. Refer to
SR-13, "Removal and Installation"
.
NO
>> GO TO 3.
3.
CHECK SATELLITE SENSOR
Check satellite sensor.
Is the front side air bag module and/or side curtain air bag module deployed?
YES
>> Replace satellite sensor. Refer to
SR-17, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check air bag diagnosis sensor unit.
Is the front side air bag module and/or side curtain air bag module deployed?
YES
>> Replace air bag diagnosis sensor unit. Refer to
SR-19, "Removal and Installation"
.
NO
>> GO TO 5.
5.
FINAL CHECK
Check the screen of CONSULT-III and/or Air bag warning lamp status.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
Revision: 2008 October
2009 Murano
SRC-134
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
B1211 ROLLOVER DETECTION
B1211 ROLLOVER DETECTION
Description
INFOID:0000000003470197
DTC B1211 ROLLOVER DETECTION
When detect a component damage resulting from a rollover, brinks or illuminates the air bag warning lamp to
inform the driver. Malfunctioning can be detected by the CONSULT-III.
OPERATION
The front seat belt pre-tensioner and side curtain air bag are operated by the decision of the air bag diagnosis
sensor unit signal of the rollover.
STRUCTURE
It consists of front seat belt pre-tensioner, side curtain air bag and air bag diagnosis sensor unit.
INSTALLATION
SR-21, "Removal and Installation"
SR-13, "Removal and Installation"
DTC Logic
INFOID:0000000003470198
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-III)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
SRC-134, "Diagnosis Procedure"
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000003470199
With CONSULT-lll
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor)
• Do not use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK FRONT SEAT BELT PRE-TENSIONER
Check front seat belt pre-tensioner.
Is the front seat belt pre-tensioner deployed?
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1211
ROLLOVER DETEC-
TION
Front seat belt pre-tensioner. side cur-
tain air bag module are deployed be-
cause of rollover detection
—
Revision: 2008 October
2009 Murano
B1211 ROLLOVER DETECTION
SRC-135
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
YES
>> Replace front seat belt pre-tensioner. Refer to
SR-21, "Removal and Installation"
.
NO
>> GO TO 2.
2.
CHECK SIDE CURTAIN AIR BAG MODULE
Check side curtain air bag module.
Is the side curtain air bag module deployed?
YES
>> Replace side curtain air bag module. Refer to
SR-13, "Removal and Installation"
.
NO
>> GO TO 3.
3.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check air bag diagnosis sensor unit.
Is the front seat belt pre-tensioner and/or side curtain air bag module deployed?
YES
>> Replace air bag diagnosis sensor unit. Refer to
SR-19, "Removal and Installation"
.
NO
>> GO TO 4.
4.
FINAL CHECK
Check the screen of CONSULT-III and/or Air bag warning lamp status.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-40, "Intermittent Incident"
.
Revision: 2008 October
2009 Murano
SRC-136
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
B1212, B1213, B1214 RH1 SAT-SENS
B1212, B1213, B1214 RH1 SAT-SENS
Description
INFOID:0000000004185391
Main “G” sensor generates signal voltage, when it detects deceleration beyond the specified level by vehicle
side collision.
OPERATION
When air bag diagnosis sensor unit judges both signal voltage of the “G” sensor and the Safing algorithm to be
that of collision which exceeds specified level, the driving circuit switches on and feeds the electric ignitor of
both the front side air bag and side curtain air bag.
STRUCTURE
Integrated type of the “G” sensor element for side collision with output terminals for signal voltage.
INSTALLATION
RH satellite sensor is installed at the underside of center pillar with fixed nuts.
DTC Logic
INFOID:0000000004185392
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “AIR BAG” Self Diagnostic Result.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-18, "Diagnosis Description"
.
NOTE:
SRS does not enter diagnosis mode if no malfunction is detected in user mode.
Is malfunctioning part detected?
YES
>> Refer to
SRC-136, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000004185393
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (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?
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.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1212
B1213
B1214
RH1 SAT-SENS
RH satellite sensor is malfunctioning
• Disconnection of wiring harness
• Malfunction in RH satellite sensor
• Malfunction in air bag diagnosis sen-
sor unit
Revision: 2008 October
2009 Murano
B1212, B1213, B1214 RH1 SAT-SENS
SRC-137
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
3.
REPLACE SATELLITE SENSOR
1.
Replace RH satellite sensor. Refer to
2.
Perform DTC confirmation procedure. Refer to
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
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
Revision: 2008 October
2009 Murano
SRC-138
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
B1215, B1216, B1217 LH1 SAT-SENS
B1215, B1216, B1217 LH1 SAT-SENS
Description
INFOID:0000000004185394
Main “G” sensor generates signal voltage, when it detects deceleration beyond the specified level by vehicle
side collision.
OPERATION
When air bag diagnosis sensor unit judges both signal voltage of the “G” sensor and the Safing algorithm to be
that of collision which exceeds specified level, the driving circuit switches on and feeds the electric ignitor of
both the front side air bag and side curtain air bag.
STRUCTURE
Integrated type of the “G” sensor element for side collision with output terminals for signal voltage.
INSTALLATION
LH satellite sensor is installed at the underside of center pillar with fixed nuts.
DTC Logic
INFOID:0000000004185395
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “AIR BAG” Self Diagnostic Result.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-18, "Diagnosis Description"
.
NOTE:
SRS does not enter diagnosis mode if no malfunction is detected in user mode.
Is malfunctioning part detected?
YES
>> Refer to
SRC-138, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000004185396
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (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?
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.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1215
B1216
B1217
LH1 SAT-SENS
LH satellite sensor is malfunctioning
• Disconnection of wiring harness
• Malfunction in LH satellite sensor
• Malfunction in air bag diagnosis sen-
sor unit
Revision: 2008 October
2009 Murano
B1215, B1216, B1217 LH1 SAT-SENS
SRC-139
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
3.
REPLACE SATELLITE SENSOR
1.
Replace LH satellite sensor. Refer to
2.
Perform DTC confirmation procedure. Refer to
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
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
Revision: 2008 October
2009 Murano
SRC-140
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
B1218, B1219 DIAGNOSIS SENSOR UNIT
B1218, B1219 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000004185867
Checks the entire SRS and displays the malfunction either by illuminating or blinking the air bag warning lamp
on the combination meter. Malfunctioning part can be detected by on board self-diagnosis system and CON-
SULT-III.
OPERATION
It detects a shock that exceeds a specified level and monitors whether the driver and passenger air bags, front
side air bag, side curtain air bag and pre-tensioner seat belts operate normally.
STRUCTURE
It contains the “G” sensors for both frontal and side collisions and spare battery function in case of main bat-
tery damage in collision.
INSTALLATION
Air bag diagnosis sensor unit is installed under the center console with fixed bolts.
DTC Logic
INFOID:0000000004185868
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “AIR BAG” Self Diagnostic Result.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-18, "Diagnosis Description"
.
NOTE:
SRS does not enter diagnosis mode if no malfunction is detected in user mode.
Is malfunctioning part detected?
YES
>> Refer to
SRC-140, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000004185869
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (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?
YES
>> GO TO 2.
NO
>> Replace harness connectors.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1218
B1219
CONTROL UNIT
Air bag diagnosis sensor unit is mal-
functioning or out of the specification
• Malfunction in air bag diagnosis sen-
sor unit
• Configuration in air bag diagnosis
sensor unit does not match the vehi-
cles specification
Revision: 2008 October
2009 Murano
B1218, B1219 DIAGNOSIS SENSOR UNIT
SRC-141
< COMPONENT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
NO
>> Replace wiring harness.
3.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
Revision: 2008 October
2009 Murano
SRC-142
< ECU DIAGNOSIS >
[FOR USA AND CANADA]
DIAGNOSIS SENSOR UNIT
ECU DIAGNOSIS
DIAGNOSIS SENSOR UNIT
DTC Index
INFOID:0000000003367526
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
.
• 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
Revision: 2008 October
2009 Murano
DIAGNOSIS SENSOR UNIT
SRC-143
< ECU DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
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
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”
Revision: 2008 October
2009 Murano
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