Infiniti G37 Coupe. Manual — part 1221
SRC-134
< ECU DIAGNOSIS >
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 diagnosis sensor unit
(ACU).
CONTROL UNIT
[B1042-B1047]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit
(ACU).
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-42,
"Diagnosis Procedure (Compon
ent diagnosis)"
.
4.
Replace diagnosis sensor unit
(ACU).
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.)
• Driver air bag module circuit is shorted to itself.
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.
Repair or replace wiring harness/
harness connector.
2.
Replace front passenger air bag
module.
3.
Replace diagnosis sensor unit
(ACU).
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.
• Front passenger air bag module circuit is shorted to itself.
CONTROL UNIT
[B1074-B1079]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit
(ACU).
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
DIAGNOSIS SENSOR UNIT
SRC-135
< ECU DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
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 diagnosis sensor unit
(ACU).
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.
• Front RH seat belt pre-tensioner circuit is shorted to itself.
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 diagnosis sensor unit
(ACU).
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.
• Front LH seat belt pre-tensioner circuit is shorted to itself.
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]
[UNMATCH]
[B1116]
• RH satellite sensor is out of order.
1.
Repair or replace wiring harness/
harness connector.
2.
Replace RH satellite sensor.
3.
Replace diagnosis sensor unit
(ACU).
SATELLITE SENS LH
[UNIT FAIL]
[B1118]
[B1119]
SATELLITE SENS LH
[COMM FAIL]
[B1120]
[UNMATCH]
[B1121]
• LH satellite sensor is out of order.
1.
Repair or replace wiring harness/
harness connector.
2.
Replace LH satellite sensor.
3.
Replace diagnosis sensor unit
(ACU).
CONTROL UNIT
[B1122-B1127]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit
(ACU).
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
SRC-136
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
SIDE MODULE RH
[OPEN]
[B1129]
• Front RH side air bag module circuit is open.
1.
Repair or replace wiring harness/
harness connector.
2.
Replace front RH side air bag
module.
3.
Replace diagnosis sensor unit
(ACU).
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 LH seat belt pre-tensioner circuits are shorted to each oth-
er.
• Front LH seat belt pre-tensioner circuit is shorted to itself.
SIDE MODULE LH
[OPEN]
[B1134]
• Front LH side air bag module circuit is open.
1.
Repair or replace wiring harness/
harness connector.
2.
Replace front LH side air bag
module.
3.
Replace diagnosis sensor unit
(ACU).
SIDE MODULE LH
[VB-SHORT]
[B1135]
• Front LH side air bag module circuit is shorted to some power
supply 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 circuits are shorted to each other.
• Front LH side air bag module circuit is shorted to itself.
CONTROL UNIT
[B1138-B1143]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit
(ACU).
CURTAIN MODULE RH
[OPEN]
[B1145]
• RH side curtain air bag module circuit is open.
1.
Repair or replace wiring harness/
harness connector.
2.
Replace RH side curtain air bag
module.
3.
Replace diagnosis sensor unit
(ACU).
CURTAIN MODULE RH
[VB-SHORT]
[B1146]
• RH side curtain air bag module circuit is shorted to some 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 circuits are shorted to each other.
• RH side curtain air bag module circuit is shorted to itself.
CURTAIN MODULE LH
[OPEN]
[B1150]
• LH side curtain air bag module circuit is open.
1.
Repair or replace wiring harness/
harness connector.
2.
Replace LH side curtain air bag
module.
3.
Replace diagnosis sensor unit
(ACU).
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 circuits are shorted to each other.
• LH side curtain air bag module circuit is shorted to itself.
CONTROL UNIT
[B1202-B1207]
• Diagnosis sensor is out of order.
• Replace diagnosis sensor unit
(ACU).
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
DIAGNOSIS SENSOR UNIT
SRC-137
< ECU DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
WARNING LAMP FLASH CODE CHART (Without CONSULT-lll)
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 completed. If malfunction is still
observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.
FRONTAL COLLISION
DETECTION
[B1209]
• Seat belt pre-tensioner and front air bag is deployed.
• Go to
"Diagnosis Procedure (Component
.
SIDE COLLISION DE-
TECTION
[B1210]
• Side and curtain air bag is deployed.
• Go to
"Diagnosis Procedure (Component
.
Diagnostic item
Explanation
Repair order
“Recheck SRS at each replacement”
PHIA0532E
JMHIA0034GB
JMHIA0045GB
JMHIA0046GB
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