Nissan Altima L32. Instruction — part 1381
SRC-54
< COMPONENT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
Description
INFOID:0000000004205392
DTC B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM (OCS)
The occupant classification system control unit is wired to the air bag diagnosis sensor unit. The air bag diag-
nosis sensor unit will monitor the occupant classification system for control unit and sensor mat failures and
interuptions 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:0000000004205393
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-55, "Diagnosis Procedure (Component Diagnosis)"
.
CONSULT-III 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.
B1020
B1021
OCCUPANT SENS
[UNIT FAIL]
B1018
The OCS sensor mat is malfunctioning.
OCCUPANT SENS
[OTHER FAIL]
B1019
The OCS is malfunctioning.
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.
WHIA0211E
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-55
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
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
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:0000000004205394
Recheck SRS after each replacement.
1.
DTC
Does CONSULT-III indicate B1022?
YES or NO
YES
>> GO TO 2
NO
>> GO TO 4
2.
HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES
>> Replace the harness.
NO
>> GO TO 3
3.
WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES
>> Replace the harness.
SRC-56
< COMPONENT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
NO
>> GO TO 4
4.
RH FRONT SEAT CUSHION ASSEMBLY
Replace the RH front seat cushion assembly. Refer to
SE-23, "Removal and Installation"
.
>> GO TO 5
5.
AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to
SR-17, "Removal and Installation"
>> END.
B1209 – B1210 COLLISION DETECTION
SRC-57
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1209 – B1210 COLLISION DETECTION
Description
INFOID:0000000004205395
DTC B1209 - B1210 COLLISION DETECTION
The air bag diagnosis sensor unit will set this DTC if it has detected a collision which has resulted in a frontal
or side deployment of one or more air bags or pre-tensioners. If this DTC is detected after a SRS repair, the
air bag diagnosis sensor unit has not yet been replaced. This DTC can not be erased.
PART LOCATION
SRC-7, "SRS Component Parts Location"
DTC Logic
INFOID:0000000004205396
DTC DETECTION LOGIC
With 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.
Diagnosis Procedure (Component Diagnosis)
INFOID:0000000004205397
SR-20, "For Frontal Collision"
SR-21, "For Side and Rollover Collision"
CONSULT-III name
DTC
DTC detecting condition
Repair order
FRONTAL COLLISION
DETECTION
B1209
Driver and/or front passenger air bag mod-
ules are deployed.
SR-20, "For Frontal Collision"
SIDE COLLISION DE-
TECTION
B1210
Side and/or curtain air bag modules are
deployed.
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