Nissan Titan. Instruction — part 560
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-55
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
Description
INFOID:0000000009882916
DTC B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM (OCS)
The OCS control unit is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will mon-
itor the OCS for failures and interruptions in communication between the OCS control unit and the air bag
diagnosis sensor unit.
PART LOCATION
SRC-7, "SRS Component Parts Location"
DTC Logic
INFOID:0000000009882917
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
CONSULT name
DTC
DTC detecting condition
Repair order
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.
B1021
B1020
The OCS control unit is malfunctioning.
1.
Replace the harness if it has visible damage.
2.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
3.
Replace the RH front seat belt assembly.
OCCUPANT SENS
[UNIT FAIL]
B1018
The OCS sensor is malfunctioning.
1.
Visually check the wiring harness connection
to the OCS sensor.
2.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
BELT TENSION SENS
[UNIT FAIL]
B1019
The belt tension sensor is malfunctioning.
1.
Visually check the wiring harness connection.
2.
Replace the harness if it has visible damage.
3.
Replace the RH front seat belt assembly.
4.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
5.
Replace the related harness.
OCCUPANT SENS C/U
[COMM FAIL]
B1022
Communication between the OCS control
unit and the air bag diagnosis sensor unit is
interrupted.
1.
Visually check the wiring harness connection.
2.
Replace the harness if it has visible damage.
3.
Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
4.
Replace the air bag diagnosis sensor unit.
5.
Replace the related harness.
WHIA0211E
SRC-56
< DTC/CIRCUIT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT.
Is the DTC detected?
YES
>> Refer to
SRC-56, "Diagnosis Procedure (Component Diagnosis)"
.
NO
>> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT)
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
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
>> END
Diagnosis Procedure (Component Diagnosis)
INFOID:0000000009882918
Recheck SRS after each corrective action.
1.
CHECK CURRENT DTC
Does CONSULT indicate B1018, B1019, B1020 or B1022?
YES or NO
YES
>> GO TO 2
NO
>> GO TO 13
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-57
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
2.
HARNESS CONNECTOR
Is there any visible damage to the OCS sub-harness connector (DTC B1022) or to the belt tension sensor con-
nector (DTC B1019)?
YES or NO
YES
>> Replace the harness.
NO
>> GO TO 3
3.
WIRING HARNESS
Is there any visible damage to the body or seat sub harness?
YES or NO
YES
>> Replace the harness.
NO
>> GO TO 4
4.
CHECK CURRENT DTC
Does CONSULT indicate B1022?
YES or NO
YES
>> GO TO 5
NO
>> GO TO 6
5.
OCS CONTROL UNIT HARNESS CONNECTOR
Is the OCS control unit or body harness connector disconnected?
YES or NO
YES
>> Connect the harness. Clear the DTC.
NO
>> GO TO 13
6.
CHECK CURRENT DTC
Does CONSULT indicate B1018?
YES or NO
YES
>> GO TO 7
NO
>> GO TO 8
7.
OCS SENSOR HARNESS CONNECTOR
Is the OCS sensor harness connector disconnected?
YES or NO
YES
>> Connect the harness. Clear the DTC.
NO
>> GO TO 8
8.
CHECK CURRENT DTC
Does CONSULT indicate B1020?
YES or NO
YES
>> GO TO 9
NO
>> GO TO 10
9.
BELT TENSION SENSOR
Inspect the belt tension sensor, belt tension sensor connector and harness.
Are the inspection results normal?
YES
>> GO TO 10
NO
>> GO TO 12
10.
CHECK CURRENT DTC
Does CONSULT indicate B1019?
YES or NO
YES
>> GO TO 11
NO
>> GO TO 12
11.
BELT TENSION SENSOR HARNESS CONNECTOR
SRC-58
< DTC/CIRCUIT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
Is the belt tension sensor harness connector disconnected?
YES or NO
YES
>> Connect the harness. Clear the DTC.
NO
>> GO TO 12
12.
REPLACE RH FRONT SEAT BELT ASSEMBLY
Replace the RH front seat belt assembly.
>> GO TO 13
13.
REPLACE RH FRONT SEAT CUSHION ASSEMBLY
Replace the RH front seat cushion assembly. Refer to
SE-34, "Removal and Installation - Front Seat Assem-
>> GO TO 14
14.
AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to
SR-17, "Removal and Installation"
>> END.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст