Infiniti FX35 / FX45. Manual — part 941
SRS-24
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Trouble Diagnosis with CONSULT-III
INFOID:0000000001524168
DIAGNOSTIC PROCEDURE
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
• Diagnosis sensor unit is malfunction-
ing.
• Air bag power supply circuit is mal-
functioning.
• SRS air bag warning lamp circuit is
malfunctioning.
Go to
"AIR BAG" Warning Lamp Does Not
Turn OFF"
.
• Diagnosis sensor unit is malfunction-
ing.
• Air bag warning lamp circuit is mal-
functioning.
Go to
"AIR BAG" Warning Lamp Does Not
Turn ON"
“AIR BAG” warning lamp operation — User mode
—
SRS condition
Reference item
SHIA0013E
SHIA0014E
Diagnostic mode
Description
SELF-DIAG RESULT
The self-diagnosis result is Displayed. (SELF-DIAG [CURRENT], [PAST], [RECORD])
ECU DISCRIMINATED No.
The parts number of diagnosis sensor units displayed.
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
NO DTC IS DETECT-
ED.
When malfunction is in-
dicated by the “AIR
BAG” warning lamp in
User mode.
• Low battery voltage (Less than 9V)
• Self-diagnostic 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.
—
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1001-B1015]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit.
(ACU)
TROUBLE DIAGNOSIS
SRS-25
< SERVICE INFORMATION >
C
D
E
F
G
I
J
K
L
M
A
B
SRS
N
O
P
OCCUPANT SENS
[UNIT FAIL]
[1018]
• Trouble occurs in Occupant Classification System-SENS.
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace front passenger seat
cushion and occupant classifica-
tion system control unit as an as-
sembly.
4.
Replace diagnosis sensor unit
(ACU).
BELT TENSION SENS
[UNIT FAIL]
[B1019]
• Trouble occurs in Belt Tension sensor (BTS), circuit of BTS—Oc-
cupant Classification System-CU, or Occupant Classification
System-CU.
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace passenger side seat belt
assembly.
4.
Replace diagnosis sensor unit
(ACU).
OCCUPANT SENS C/U
[UNIT FAIL]
[B1017] [B1020]
[B1021]
• Trouble occurs in Occupant Classification System-CU.
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace front passenger seat
cushion and occupant classifica-
tion system control unit as an as-
sembly.
4.
Replace diagnosis sensor unit
(ACU).
OCCUPANT SENS C/U
[COMM FAIL]
[B1022]
• Trouble occurs in Occupant Classification System-CU, circuit of
OCS-CU-ACU, or ACU.
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace front passenger seat
cushion and occupant classifica-
tion system control unit as an as-
sembly.
4.
Replace diagnosis sensor unit
(ACU).
PASS A/B INDCTR
CKT
[B1023]
• Front passenger air bag cut-off indicator circuit is open, or short-
ed each other or to ground.
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace front passenger air bag
off indicator unit.
4.
Replace diagnosis sensor unit
(ACU).
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1026-B1031]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit.
(ACU)
CRASH ZONE SEN
[UNIT FAIL]
[B1033] [B1034]
CRASH ZONE SEN
[COMM FAIL]
[B1035]
• Crash zone sensor is out of order.
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace crash zone sensor.
4.
Replace diagnosis sensor unit
(ACU).
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1042-B1047]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit.
(ACU)
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
SRS-26
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
DRIVER AIR BAG
MODULE
[OPEN]
[B1049] [B1054]
• Driver air bag module circuit is open (including the spiral cable).
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace driver air bag module.
4.
Replace spiral cable.
5.
Replace diagnosis sensor unit
(ACU).
DRIVER AIR BAG
MODULE
[VB-SHORT]
[B1050] [B1055]
• Driver air bag module circuit is shorted to a power supply circuit
(including the spiral cable).
DRIVER AIR BAG
MODULE
[GND-SHORT]
[B1051] [B1056]
• Driver air bag module circuit is shorted to ground (including the
spiral cable).
DRIVER AIR BAG
MODULE
[SHORT]
[B1052] [B1057]
• Driver air bag module circuit is shorted between lines.
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1058-B1063]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit.
(ACU)
ASSIST A/B MODULE
[OPEN]
[B1065] [B1070]
• Front passenger air bag module circuit is open.
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace front passenger air bag
module.
4.
Replace diagnosis sensor unit
(ACU).
ASSIST A/B MODULE
[VB-SHORT]
[B1066] [B1071]
• Front passenger air bag module circuit is shorted to a power sup-
ply 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 circuit is shorted between lines.
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1074-B1079]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit.
(ACU)
PRE-TEN FRONT RH
[OPEN]
[B1081]
• Front RH pre-tensioner circuit is open.
1.
Visually check the wiring harness
connections.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace front RH seat belt.
4.
Replace diagnosis sensor unit
(ACU).
PRE-TEN FRONT RH
[VB-SHORT]
[B1082]
• Front RH pre-tensioner circuit is shorted to a power supply cir-
cuit.
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.
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
TROUBLE DIAGNOSIS
SRS-27
< SERVICE INFORMATION >
C
D
E
F
G
I
J
K
L
M
A
B
SRS
N
O
P
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 visi-
ble damage.
3.
Replace the front LH seat belt.
4.
Replace the diagnosis sensor
unit.
5.
Replace the related harness.
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.
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1106-B1111]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit
(ACU).
SATELLITE SENS RH
[UNIT FAIL]
[B1113] [B1114]
SATELLITE SENS RH
[COMM FAIL]
[B1115]
• RH side air bag (Satellite) sensor
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace RH side air bag (Satel-
lite) sensor.
4.
Replace diagnosis sensor unit
(ACU).
SATELLITE SENS LH
[UNIT FAIL]
[B1118] [B1119]
SATELLITE SENS LH
[COMM FAIL]
[B1120]
• LH side air bag (Satellite) sensor
1.
Visually check the wiring harness
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace LH side air bag (Satel-
lite) sensor.
4.
Replace diagnosis sensor unit
(ACU).
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1122-B1127]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit
(ACU).
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 visi-
ble damage.
3.
Replace front RH side air bag
module.
4.
Replace diagnosis sensor unit
(ACU).
SIDE MODULE RH
[VB-SHORT]
[B1130]
• Front RH side air bag module circuit is shorted to a 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.
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
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