INFINITI QX56 2009 Factory Service Manual

B1033 – B1035 CRASH ZONE SENSORSRC-53
< COMPONENT DIAGNOSIS >
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B1033 – B1035 CRASH ZONE SENSOR
DescriptionINFOID:0000000003775225
DTC B1033 – B1035 CRASH ZONE SENSOR
The crash zone sensor is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will
monitor for opens and shorts in detect ed lines to the crash zone sensor.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000004221434
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-54, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCE DURE (Without CONSULT-lll)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2
CONSULT-III name DTC DTC detecting condition Repair order
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 error.
WHIA0200E
Revision: December 20092009 QX56

SRC-54
< COMPONENT DIAGNOSIS >
B1033 – B1035 CRASH ZONE SENSOR
2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-85, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000003775227
Recheck SRS after each replacement.
1.HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.CRASH ZONE SENSOR
Replace the crash zone sensor. Refer to SR-14, "
Removal and Installation".
>> GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> GO TO 5
5.RELATED HARNESS
Replace the related harness.
Revision: December 20092009 QX56

B1033 – B1035 CRASH ZONE SENSORSRC-55
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Revision: December 20092009 QX56

SRC-56
< COMPONENT DIAGNOSIS >
B1118 – B1120 SATELLITE SENSOR LH
B1118 – B1120 SATELLITE SENSOR LH
DescriptionINFOID:0000000003775228
DTC B1118 – B1120 SATELLITE SENSOR LH
The satellite sensor LH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will
monitor the satellite sensor LH for internal fa ilures and it's circuits for communication errors.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000004221435
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-57, "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
Turn ignition switch ON.
>> GO TO 2
CONSULT-III name DTC DTC detecting condition Repair order
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 communi-
cation error.
WHIA0204E
Revision: December 20092009 QX56

B1118 – B1120 SATELLITE SENSOR LHSRC-57
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2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-85, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000003775230
Recheck SRS after each replacement.
1.HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.LH SIDE AIR BAG SATELLITE SENSOR
Replace the LH side air bag satellite sensor. Refer to SR-15, "
Removal and Installation".
>> GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> GO TO 5
5.RELATED HARNESS
Replace the related harness.
Revision: December 20092009 QX56

SRC-58
< COMPONENT DIAGNOSIS >
B1118 – B1120 SATELLITE SENSOR LH
>>END
Revision: December 20092009 QX56

B1113 – B1115 SATELLITE SENSOR RHSRC-59
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B1113 – B1115 SATELLITE SENSOR RH
DescriptionINFOID:0000000003775231
DTC B1113 – B1115 SATELLITE SENSOR RH
The satellite sensor RH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will
monitor the satellite sensor RH for internal failures and it's circuits for communication errors.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000004221436
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-60, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCE DURE (Without CONSULT-lll)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2
CONSULT-III name DTC DTC detecting condition Repair order
SATELLITE SENS RH [UNIT FAIL] B1113 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 communi-
cation error.
WHIA0203E
Revision: December 20092009 QX56

SRC-60
< COMPONENT DIAGNOSIS >
B1113 – B1115 SATELLITE SENSOR RH
2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-85, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000003775233
Recheck SRS after each replacement.
1.HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.RH SIDE AIR BAG SATELLITE SENSOR
Replace the RH side air bag satellite sensor. Refer to SR-15, "
Removal and Installation".
>> GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> GO TO 5
5.RELATED HARNESS
Replace the related harness.
Revision: December 20092009 QX56

B1113 – B1115 SATELLITE SENSOR RHSRC-61
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Revision: December 20092009 QX56

SRC-62
< COMPONENT DIAGNOSIS >
B1XXX AIR BAG DIAGNOSIS SENSOR UNIT
B1XXX AIR BAG DIAGNOSIS SENSOR UNIT
DescriptionINFOID:0000000003775234
DTC B1XXX AIR BAG DIAGNOSIS SENSOR UNIT
The air bag diagnosis sensor unit will run self diagnostics when the ignition switch is turned ON. It has the
potential to set many diagnostic trouble codes which will conform to the B1XXX format, but will not match any
other SRS diagnostic trouble codes. Refer to SRC-81, "
Trouble Diagnosis with CONSULT-III".
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000004221437
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-63, "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
Turn ignition switch ON.
>> GO TO 2
CONSULT-III name DTC DTC detecting condition Repair order
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.
WHIA0198E
Revision: December 20092009 QX56