SRS-28
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
Warning lamp examples
“AIR BAG” warning lamp operation-User mode- SRS condition Reference item
No malfunction is detected.
No further action is necessary.—
The system is malfunctioning and
needs to be repaired as indicated.Go to SRS-33, "
WARNING LAMP
FLASH CODE CHART" or SRS-29,
"DTC No. Index (“SELF-DIAG
[CURRENT]” “SELF-DIAG [PAST]”
or TROUBLE DIAG RECORD )" .
Air bag is deployed.
Seat belt pre-tensioner is deployed.Go to SRS-53, "
COLLISION DIAG-
NOSIS" .
Diagnosis sensor unit is malfunction-
ing.
Air bag power supply circuit is mal-
functioning.
SRS air bag warning lamp circuit is
malfunctioning.Go to SRS-37, "
Trouble Diagnosis:
“AIR BAG” Warning Lamp Does Not
Turn OFF" .
Diagnosis sensor unit is malfunction-
ing.
Air bag warning lamp circuit is mal-
functioning.Go to SRS-38, "
Trouble Diagnosis:
“AIR BAG” Warning Lamp Does Not
Turn ON" .
SHIA0011E
SHIA0012E
SHIA0013E
SHIA0014E
SRS-30
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
SIDE MODULE LH
[OPEN]
[B1134]Front LH side air bag module circuit is open. 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace front LH setback assembly
(front LH side air bag module).
4. Replace the diagnosis sensor unit. SIDE MODULE LH
[VB-SHORT]
[B1135]
Front LH side air bag module circuit is shorted to a power sup-
ply circuit.
SIDE MODULE LH
[GND-SHORT]
[B1136]
Front LH side air bag module circuit is shorted to ground.
SIDE MODULE LH
[SHORT]
[B1137]
Front LH side air bag module circuit is shorted between lines.
SIDE MODULE RH
[OPEN]
[B1129]
Front RH side air bag module circuit is open. 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace front RH setback assembly
(front RH side air bag module).
4. Replace the diagnosis sensor unit. SIDE MODULE RH
[VB-SHORT]
[B1130]
Front RH side air bag module circuit is shorted to some power
supply circuit.
SIDE MODULE RH
[GND-SHORT]
[B1131]
Front RH side air bag module circuit is shorted to ground.
SIDE MODULE RH
[SHORT]
[B1132]
Front RH side air bag module circuit is shorted between lines.
SATELLITE SENS LH
[UNIT FAIL]
[ B 111 8 ]
[ B 111 9 ]
SATELLITE SENS LH
[COMM FAIL]
[B1120]
SATELLITE SENS LH
[UNMATCH]
[B1121]
LH side air bag (Satellite) sensor 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace the LH side air bag (Satel-
lite) sensor.
4. Replace the diagnosis sensor unit.
SATELLITE SENS RH
[UNIT FAIL]
[ B 111 3 ]
[ B 111 4 ]
SATELLITE SENS RH
[COMM FAIL]
[ B 111 5 ]
SATELLITE SENS RH
[UNMATCH]
[ B 111 6 ]
RH side air bag (Satellite) sensor 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace the RH side air bag (Satel-
lite) sensor.
4. Replace the diagnosis sensor unit.
PRE-TEN FRONT LH
[OPEN]
[B1086]
Front LH pre-tensioner circuit is open. 1. Visually check the wiring harness
connections.
2. Replace the harness if it has visible
damage.
3. Replace front LH seat belt.
4. Replace the diagnosis sensor unit. PRE-TEN FRONT LH
[VB-SHORT]
[B1087]
Front LH pre-tensioner circuit is shorted to a power supply cir-
cuit.
PRE-TEN FRONT LH
[GND-SHORT]
[B1088]
Front LH pre-tensioner circuit is shorted to ground.
PRE-TEN FRONT LH
[SHORT]
[B1089]
Front LH pre-tensioner circuit is shorted between lines. Diagnostic item ExplanationRepair order
“Recheck SRS at each replacement”
TROUBLE DIAGNOSIS
SRS-31
C
D
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G
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J
K
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MA
B
SRS
Revision: 2006 November2007 350Z
PRE-TEN FRONT RH
[OPEN]
[B1081]Front RH pre-tensioner circuit is shorted to a power supply cir-
cuit.1. Visually check the wiring harness
connections.
2. Replace the harness if it has visible
damage.
3. Replace front RH seat belt.
4. Replace the diagnosis sensor unit. PRE-TEN FRONT RH
[VB-SHORT]
[B1082]
Front RH pre-tensioner is shorted to a power supply circuit.
PRE-TEN FRONT RH
[GND-SHORT]
[B1083]
Front RH pre-tensioner circuit is shorted to ground.
PRE-TEN FRONT RH
[SHORT]
[B1084]
Front RH pre-tensioner circuit is shorted between lines.
CURTAIN MODULE LH*
[OPEN]
[B1150]
LH side curtain air bag module circuit is open. 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace LH side curtain air bag
module.
4. Replace the diagnosis sensor unit. CURTAIN MODULE LH*
[VB-SHORT]
[B1151]
LH side curtain air bag module circuit is shorted to some power
supply circuits.
CURTAIN MODULE LH*
[GND-SHORT]
[B1152]
LH side curtain air bag module circuit is shorted to ground.
CURTAIN MODULE LH*
[SHORT]
[B1153]
LH side curtain air bag module circuit is shorted between lines.
CURTAIN MODULE RH*
[OPEN]
[B1145]
RH side curtain air bag module circuit is open. 1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace RH side curtain air bag
module.
4. Replace the diagnosis sensor unit. CURTAIN MODULE RH*
[VB-SHORT]
[B1146]
RH side curtain air bag module circuit is shorted to a power
supply circuit.
CURTAIN MODULE RH*
[GND-SHORT]
[B1147]
RH side curtain air bag module circuit is shorted to ground.
CURTAIN MODULE RH*
[SHORT]
[B1148]
RH side curtain air bag module circuit is shorted between lines.
CONTROL UNIT
[B1001-B1015]
[B1026-B1031]
[B1042-B1047]
[B1058-B1063]
[B1074-B1079]
[ B 11 0 6 - B 1111 ]
[B1122-B1127]
[B1138-B1143]
[B1202-B1207]
Diagnosis sensor unit is malfunctioning.Replace the diagnosis sensor unit.
PASS A/B INDCTR CKT
[B1023]
Cutoff telltale circuit is open or shorted to grand or the circuits
are shorted each other.1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace cutoff telltale.
4. Replace the diagnosis sensor unit. Diagnostic item ExplanationRepair order
“Recheck SRS at each replacement”
SRS-32
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
*: For coupe
NOTE:
Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp or CONSULT-IlI 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.
OCCUPANT SENS C/U
[UNIT FAIL]
[B1017]
[B1020]
[B1021]Trouble occurs in Occupant Classification System-CU.Replace passenger side seat cush-
ion assembly.
OCCUPANT SENS C/U
[COMM FAIL]
[B1022]
Trouble occurs in Occupant Classification System-CU, circuit
of Occupant Classification System-CU—Diagnosis Sensor Unit
or Diagnosis Sensor Unit.1. Visually check the wiring harness
connection.
2. Replace the harness if it has visible
damage.
3. Replace passenger side seat cush-
ion assembly.
4. Replace the diagnosis sensor unit.
OCCUPANT SENS
[UNIT FAIL]
[B1018]
Trouble occurs in Occupant Classification System-SENS.Replace passenger side seat cush-
ion assembly.
FRONTAL COLLISION
DETECTION
[B1209]
Seat belt pre-tensioner and front air bag are deployed.Go to SRS-53, "For Frontal Colli-
sion" .
SIDE COLLISION
DETECTION
[B1210]
Side and curtain air bag is deployed.Go to SRS-55, "For Side Collision" . Diagnostic item ExplanationRepair order
“Recheck SRS at each replacement”
TROUBLE DIAGNOSIS
SRS-39
C
D
E
F
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MA
B
SRS
Revision: 2006 November2007 350Z
Trouble Diagnosis: Passenger Seat belt Warning SystemNHS000A5
1. HECK THE SYSTEM 1
Check seat belt warning lamp function.
Seat belt warning lamp turns ON in the following conditions.
Driver seat belt is fastened.
Occupant is on passenger seat.
Passenger seat belt is not fasten.
OK or NG
OK >> GO TO 2.
NG >> Check the followings.
Harness between air bag diagnosis sensor unit and combination meter.
Seat belt buckle switch (passenger side) circuit.
Seat belt buckle switch (passenger side).
If these are OK, replace air bag diagnosis sensor unit.
2. CHECK THE SYSTEM 2
Check seat belt warning lamp function.
Seat belt warning lamp turns OFF in the following conditions.
Driver seat belt is fastened.
Occupant is on passenger seat.
Passenger seat belt is fastened.
OK or NG
OK >> System is OK.
NG >> Check the followings.
Sea tbelt buckle switch (passenger side) circuit.
Seat belt buckle switch (passenger side).
If these are OK, replace air bag diagnosis sensor unit.
SIDE AIR BAG (SATELLITE) SENSOR
SRS-49
C
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MA
B
SRS
Revision: 2006 November2007 350Z
SIDE AIR BAG (SATELLITE) SENSORPFP:98830
Removal and InstallationNHS0000Y
REMOVAL
CAUTION:
Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait at least
3 minutes.
Do not use air tools or electric tools for servicing.
1. Remove seat belt pre-tensioner. Refer to SB-4, "
Removal and Installation of Seat Belt (Coupe)" or SB-6,
"Removal and Installation of Seat Belt (Roadster)" .
2. Remove side air bag (Satellite) sensor fixing nuts.
3. Remove the side air bag (Satellite) sensor connector.
CAUTION:
Do not use old nuts; replace with new ones.
Check side air bag (Satellite) sensor to ensure it is free of deformities, dents, cracks or rust. If it
shows any visible signs of damage, replace it with new one.
Do not attempt to disassemble side air bag (Satellite) sensor.
Replace side air bag (Satellite) sensor if it has been dropped or sustained an impact.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Check side air bag (Satellite) sensor for proper installation.
After replacement of side air bag (Satellite) sensor, perform self-diagnosis to make sure that no
malfunction is detected. Refer to SRS-27, "
SRS Operation Check (USER MODE)" .
PHIA0176E
SRS-50
FRONT SEAT BELT PRE-TENSIONER
Revision: 2006 November2007 350Z
FRONT SEAT BELT PRE-TENSIONERPFP:86884
Removal and InstallationNHS0000Z
For removal and installation procedures, refer to SB-4, "Removal and Installation of Seat Belt (Coupe)" or SB-
6, "Removal and Installation of Seat Belt (Roadster)" .
DIAGNOSIS SENSOR UNIT
SRS-51
C
D
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MA
B
SRS
Revision: 2006 November2007 350Z
DIAGNOSIS SENSOR UNITPFP:28556
Removal and InstallationNHS00010
REMOVAL
CAUTION:
Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait at least
3 minutes.
Do not use air tools or electric tools for servicing.
1. Disconnect each harness connector for the air bag module and seat belt pre-tensioner.
2. Remove center console. Refer to IP-11, "
Removal and Installation" .
3. Disconnect diagnosis sensor unit connector.
4. Remove fixing bolts from the diagnosis sensor unit.
CAUTION:
Do not use old bolts. Replace with new ones.
Check diagnosis sensor unit bracket to ensure it is free of deformities, dents, cracks or rust. If it
shows any visible signs of damage, replace with new one.
Replace diagnosis sensor unit if it has been dropped or sustained an impact.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Check the diagnosis sensor unit for proper installation.
After replacement of diagnosis sensor unit, perform self-diagnosis to make sure that no malfunc-
tion is detected. Refer to SRS-27, "
SRS Operation Check (USER MODE)" .
ECU DISCRIMINATED NO.
After replacing the diagnosis sensor unit, make sure that the diagnosis sensor unit identification is correct for
the vehicle as equipped.Hex bolt: 24.5 N·m (2.5 kg-m, 18 ft-lb)
Ground bolt: 6.9 N·m (0.7 kg-m, 61 in-lb)
PHIA0463E
Model Specification ECU DISCRIMINATED No.
CoupeModels with driver and passenger air bags and seat belt pre-tensioner FAE6
Models with driver and passenger air bags, seat belt pre-tensioner, side air bags and curtain
air bagsFAE4
RoadsterModels with driver and passenger air bags and seat belt pre-tensioner FAE7
Models with driver and passenger air bags, seat belt pre-tensioner and side air bags FAE5