Nissan Murano Z51. Manual — part 1315
SRC-30
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
B1018 OCCUPANT SENS
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:0000000005513504
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 SENSOR
1.
Replace occupant classification system sensor. (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"
.
B1022 OCCUPANT SENS C/U
SRC-31
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
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B1022 OCCUPANT SENS C/U
Description
INFOID:0000000005513505
DTC B1022 [COMM 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 reports
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 malfunction 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 and 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:0000000005513506
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
B1022
OCCUPANT SENS C/U
[COMM FAIL]
Trouble occurs in OCS-C/U, circuit of
OCS-C/U-ACU or ACU
• Disconnection of wiring harness
• Internal breakdown in occupant clas-
sification system control unit
• Internal breakdown in air bag diag-
nosis sensor unit
SRC-32
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
B1022 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:0000000005513507
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"
.
B1023 PASS A/B INDCTR CKT
SRC-33
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
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B1023 PASS A/B INDCTR CKT
Description
INFOID:0000000005513508
DTC B1023 PASS A/B INDCTR CKT
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
Turns on front passenger air bag OFF indicator (Cut-off telltale) when the passenger seat is empty or occupied
by child-seat and child.
STRUCTURE
Front passenger air bag OFF indicator (Cut-off telltale) with LED illumination.
INSTALLATION
Front passenger air bag OFF indicator (Cut-off telltale) is installed at the instrument panel center.
DTC Logic
INFOID:0000000005513509
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
B1023
PASS A/B INDCTR CKT
[UNIT FAIL]
Cut-off telltale circuit is open or shorted
to ground or the circuits are shorted
each other
• Disconnection of wiring harness
• Internal breakdown in front passen-
ger air bag cut-off indicator unit
• Internal breakdown in air bag diag-
nosis sensor unit
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