2011 INFINITI QX56 Factory Service Manual

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Page 4833 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-40
< BASIC INSPECTION >
INSPECTION AND ADJUSTMENT
“Complete” is displayed on “zero point reset current status” if the seat is reinstalled by seat removal
and installation, or “zero po

Page 4834 of 5598

INFINITI QX56 2011 Factory Service Manual
B1001, B1002, B1003, B1004, B1005 DIAGNOSIS SENSOR UNIT
SRC-41
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
B1001, B1002, B1003, B1004, B 1005 DIAGNOSIS SENSOR UNI

Page 4835 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-42
< DTC/CIRCUIT DIAGNOSIS >
B1006, B1007, B1008, B1009, B1010 DIAGNOSIS SENSOR UNIT
B1006, B1007, B1008, B1009, B1010 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006219965
DTC DETECTION LOGIC

Page 4836 of 5598

INFINITI QX56 2011 Factory Service Manual
B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT
SRC-43
< DTC/CIRCUIT DIAGNOSIS >
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B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000

Page 4837 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-44
< DTC/CIRCUIT DIAGNOSIS >
B1017, B1020, B1021 OCCUPANT SENS C/U
B1017, B1020, B1021 OCCUPANT SENS C/U
DescriptionINFOID:0000000006219969
Suppresses the deployment of front passenger air bag wh

SRC-44
< DTC/CIRCUIT DIAGNOSIS >
B1017, B1020, B1021 OCCUPANT SENS C/U
B1017, B1020, B1021 OCCUPANT SENS C/U
DescriptionINFOID:0000000006219969
Suppresses the deployment of front passenger air bag when the condition of passenger seat is empty or occu-
pied with a child and child-seat. Also illuminates front passenger air bag OFF indicator lamp when the condi-
tion of passenger seat is occupied with a child-seat and ch ild. In case of malfunction the blinking of the air bag
warning lamp reports the malfunction to driver, and by the on board self-diagnosis system or CONSULT-III can
detect the cause.
OPERATION
This unit classifies occupant in passenger seat and detec ts electrical malfunctions in Occupant Detection Sys-
tem, and transmits malfunction information to air bag control unit.
STRUCTURE
It is integrated into the seat sensor mat and detects the occupants with Occupant Detection System control
unit that classifies the occupants.
INSTALLATION
Occupant Detection System control unit is installed in the passenger seat cushion.
DTC LogicINFOID:0000000006219970
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “AIR BAG” Self Diagnostic Result CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter diagnosis mode if no malfunction is detected in user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-44, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006219971
WARNING:
Before servicing, turn ignition sw itch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
Never use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connectors.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B1017
B1020
B1021 OCCUPANT SENS C/U
[UNIT FAIL]
Trouble occurs in Occupant Detection
System control unit Disconnection of wiring harness
Malfunction in Occupant Detection
System control unit
Malfunction in air bag diagnosis sen-
sor unit
Revision: 2010 May2011 QX56

Page 4838 of 5598

INFINITI QX56 2011 Factory Service Manual
B1017, B1020, B1021 OCCUPANT SENS C/U
SRC-45
< DTC/CIRCUIT DIAGNOSIS >
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2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YE

Page 4839 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-46
< DTC/CIRCUIT DIAGNOSIS >
B1018 OCCUPANT SENS
B1018 OCCUPANT SENS
DescriptionINFOID:0000000006219972
Suppresses the deployment of front passenger air bag when the condition of passenger seat i

SRC-46
< DTC/CIRCUIT DIAGNOSIS >
B1018 OCCUPANT SENS
B1018 OCCUPANT SENS
DescriptionINFOID:0000000006219972
Suppresses the deployment of front passenger air bag when the condition of passenger seat is empty or occu-
pied with a child and child-seat. Also illuminates front passenger air bag OFF indicator lamp when the condi-
tion of passenger seat is occupied with a child-seat and ch ild. In case of malfunction the blinking of the air bag
warning lamp reports the malfunction to driver, and by the on board self-diagnosis system or CONSULT-III can
detect the cause.
OPERATION
The unit classifies occupant in passenger seat and trans mits it to Occupant Detection System control unit.
STRUCTURE
Multiple sensors are installed in the sensor mat to prevent incorrect sensing induced by the sitting position.
INSTALLATION
Occupant Detection System sensor is installed in the passenger seat cushion.
DTC LogicINFOID:0000000006219973
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “AIR BAG” Self Diagnostic Result CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter diagnosis mode if no malfunction is detected in user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-46, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006219974
WARNING:
Before servicing, turn ignition sw itch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
Never use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connectors.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B1018 OCCUPANT SENS [UNIT FAIL] Malfunction occurs in Occupant Detec-
tion System sensor Disconnection of wiring harness
Malfunction in Occupant Detection
System sensor
Malfunction in Occupant Detection System control unit
Malfunction in air bag diagnosis sen-
sor unit
Revision: 2010 May2011 QX56

Page 4840 of 5598

INFINITI QX56 2011 Factory Service Manual
B1018 OCCUPANT SENSSRC-47
< DTC/CIRCUIT DIAGNOSIS >
C
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B
SRC
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2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >>

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