Nissan Murano Z51. Instruction — part 1314
SRC-26
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
B1011, B1012, B1013, B1014, B1015 DIAGNOSIS SENSOR UNIT
>> GO TO 2.
2.
CHECK AIR BAG WARNING LAMP
Check the air bag warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to warning lamp flash code chart.
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000005513498
With CONSULT-III
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Do not 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
>> Repair or replace harness connectors.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace wiring harness.
3.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit.
2.
Check the screen of CONSULT-III.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
B1017, B1020, B1021 OCCUPANT SENS C/U
SRC-27
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
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B1017, B1020, B1021 OCCUPANT SENS C/U
Description
INFOID:0000000005513499
DTC B1017, B1020, B1021 [UNIT FAIL] OCCUPANT SENS C/U
Suppresses the deployment of front passenger air bag when the condition of passenger seat is empty or child
and child-seat. And turns on front passenger air bag OFF indicator (Cut-off telltale) lamp when the condition of
passenger seat is child-seat and child. In case of malfunction the blinking of the air bag warning lamp report
the malfunction to driver and by the on board self-diagnosis system or electro-diagnosis tester CONSULT-lll
can detect the cause.
OPERATION
This unit classifies occupant in passenger seat and detects electrical malfunctions in Occupant Classification
System (OCS), and transmits malfunction information to air bag control unit.
STRUCTURE
It is integrated into the seat sensor mat and detects the occupants with Occupant Classification System (OCS)
control unit that classifies the occupants.
INSTALLATION
Occupant Classification System (OCS) control unit is installed in the passenger seat cushion.
DTC Logic
INFOID:0000000005513500
DTC DETECTION LOGIC
With CONSULT-lll
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-lll.
Is malfunctioning part detected?
YES
>> Refer to
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.
INSPECTION START
Turn ignition switch ON.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1017
B1020
B1021
OCCUPANT SENS C/U
[UNIT FAIL]
Trouble occurs in OCS-C/U
• Disconnection of wiring harness
• Internal breakdown in occupant clas-
sification system (C/U)
SRC-28
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
B1017, B1020, B1021 OCCUPANT SENS C/U
>> GO TO 2.
2.
CHECK AIR BAG WARNING LAMP
Check the air bag warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to warning lamp flash code chart.
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000005513501
With CONSULT-lll
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Do not 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
>> Repair or replace harness connectors.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace wiring harness.
3.
CHECK OCCUPANT CLASSIFICATION SYSTEM (C/U)
1.
Replace occupant classification system (C/U). (front passenger side seat cushion assembly.)
2.
Check the screen of CONSULT-lll.
is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
B1018 OCCUPANT SENS
SRC-29
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
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B1018 OCCUPANT SENS
Description
INFOID:0000000005513502
DTC B1018 [UNIT FAIL] OCCUPANT SENS
Suppresses the deployment of front passenger air bag when the condition of passenger seat is empty or child
and child-seat. And turns on front passenger air bag OFF indicator (Cut-off telltale) lamp when the condition of
passenger seat is child-seat and child. 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 electro-diagnosis tester CONSULT-lll
can detect the cause.
OPERATION
The unit classifies occupant in passenger seat and transmits it to Occupant Classification System (OCS) con-
trol unit.
STRUCTURE
Plural sensors are installed in the sensor mat to prevent incorrect sensing induced by the sitting position.
INSTALLATION
Seat sensor mat is installed in the passenger seat cushion.
DTC Logic
INFOID:0000000005513503
DTC DETECTION LOGIC
With CONSULT-lll
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
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.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1018
OCCUPANT SENS
[UNIT FAIL]
Trouble occurs in OCS-SENS
• Disconnection of wiring harness
• Internal breakdown in occupant clas-
sification system sensor
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