B1178 INFINITI QX56 2010 Factory Service Manual
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SRC-50
< COMPONENT DIAGNOSIS >
B1177 - B1180 SEAT BELT BUCKLE PRE-TENSIONER RH
B1177 - B1180 SEAT BELT BUCKLE PRE-TENSIONER RH
DescriptionINFOID:0000000005147822
DTC B1177 – B1180 SEAT BELT BUCKLE PRE-TENSIONER RH
The seat belt buckle pre-tensioner RH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sen-
sor unit will monitor for opens and shorts in detect ed lines to the seat belt buckle pre-tensioner RH.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000005147823
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected?
YES >> Refer to SRC-51, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
CONSULT-III name DTC DTC detecting condition Repair order
PRE-TEN2 FRONT RH [OPEN] B1177RH seat belt buckle pre-tensioner circuit is
open. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the front RH seat belt buckle pre-ten-
sioner.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN2 FRONT RH
[VB-SHORT] B1178RH seat belt buckle pre-tensioner circuit is
shorted to a power supply circuit.
PRE-TEN2 FRONT RH [GND-SHORT] B1179
RH seat belt buckle pre-tensioner circuit is
shorted to ground.
PRE-TEN2 FRONT RH [SHORT] B1180RH seat belt buckle pre-tensioner circuits
are shorted to each other.
WHIA0250E
Revision: April 20092010 QX56
Page 3629 of 4210
![INFINITI QX56 2010 Factory Service Manual DIAGNOSIS SENSOR UNITSRC-83
< ECU DIAGNOSIS >
C
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PRE-TEN FRONT RH [OPEN] B1081RH seat belt pre-tensioner circuit is
open. 1. Visually check the wiring harness connectio INFINITI QX56 2010 Factory Service Manual DIAGNOSIS SENSOR UNITSRC-83
< ECU DIAGNOSIS >
C
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M A
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PRE-TEN FRONT RH [OPEN] B1081RH seat belt pre-tensioner circuit is
open. 1. Visually check the wiring harness connectio](/img/42/57032/w960_57032-3628.png)
DIAGNOSIS SENSOR UNITSRC-83
< ECU DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
PRE-TEN FRONT RH [OPEN] B1081RH seat belt pre-tensioner circuit is
open. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the front RH seat belt pre-tensioner.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN FRONT RH
[VB-SHORT] B1082RH seat belt pre-tensioner circuit is
shorted to a power supply circuit.
PRE-TEN FRONT RH [GND-SHORT] B1083
RH seat belt pre-tensioner circuit is
shorted to ground.
PRE-TEN FRONT RH [SHORT] B1084RH seat belt pre-tensioner circuits are
shorted to each other.
PRE-TEN2 FRONT LH [OPEN] B1182LH seat belt buckle pre-tensioner circuit
is open. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the front LH seat belt buckle pre-ten-
sioner.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN2 FRONT LH
[VB-SHORT] B1183
LH seat belt buckle pre-tensioner circuit
is shorted to a power supply circuit.
PRE-TEN2 FRONT LH [GND-SHORT] B1184LH seat belt buckle pre-tensioner circuit
is shorted to ground.
PRE-TEN2 FRONT LH [SHORT] B1185LH seat belt buckle pre-tensioner cir-
cuits are shorted to each other.
PRE-TEN2 FRONT RH [OPEN] B1177
RH seat belt buckle pre-tensioner circuit
is open. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the front RH seat belt buckle pre-ten-
sioner.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN2 FRONT RH
[VB-SHORT] B1178RH seat belt buckle pre-tensioner circuit
is shorted to a power supply circuit.
PRE-TEN2 FRONT RH [GND-SHORT] B1179RH seat belt buckle pre-tensioner circuit
is shorted to ground.
PRE-TEN2 FRONT RH [SHORT] B1180
RH seat belt buckle pre-tensioner cir-
cuits are shorted to each other.
CRASH ZONE SEN [UNIT FAIL] B1033 Crash zone sensor has malfunctioned. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the crash zone sensor.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
B1034
CRASH ZONE SEN [COMM FAIL] B1035Crash zone sensor communication er-
ror.
SATELLITE SENS LH [UNIT FAIL] B1118 LH side air bag satellite sensor has mal-
functioned. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the LH side air bag satellite sensor.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
B 111 9
SATELLITE SENS LH [COMM FAIL] B1120LH side air bag satellite sensor commu-
nication error.
SATELLITE SENS RH [UNIT FAIL] B1
1
13 RH side air bag satellite sensor has mal-
functioned. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the RH side air bag satellite sensor.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
B 111 4
SATELLITE SENS RH [COMM FAIL] B 111 5RH side air bag satellite sensor commu-
nication error.
CONTROL UNIT B1XXX Air bag diagnosis sensor unit is malfunc-
tioning.
1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the air bag diagnosis sensor unit.
4. Replace the related harness.
PASS A/B INDCTR CKT B1023 Front passenger air bag OFF indicator is
malfunctioning.
1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the front passenger air bag OFF in-
dicator.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
OCCUPANT SENS C/U [UNIT FAIL] B1017 The OCS control unit is malfunctioning. 1. Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
B1020
B1021
OCCUPANT SENS [UNIT FAIL] B1018The OCS sensor is malfunctioning.
CONSULT-III name DTC
DTC detecting condition Repair order
Revision: April 20092010 QX56