Nissan Versa Sedan. Instruction — part 748
B1017, B1018, B1020, B1021, B1022, B1025, B1032, B1048 OCS SYSTEM
SRC-87
< DTC/CIRCUIT DIAGNOSIS >
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B1017, B1018, B1020, B1021, B1022, B1025, B1032, B1048 OCS SYSTEM
Description
INFOID:0000000009269187
DTC B1017, B1018, B1020, B1021, B1022, B1025, B1032, B1048 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-4, "Component Parts Location"
.
DTC Logic
INFOID:0000000009269188
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.
CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check for DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to
CONSULT name
DTC
DTC detecting condition
Repair order
OCCUPANT SENS C/U
[UNIT FAIL]
B1017 The OCS control unit is malfunctioning.
1.
Visually check the wiring harness connec-
tions to the OCS control unit.
2.
Replace the harness if it has visible damage.
3.
Replace the OCS control unit and OCS sen-
sors (seat frame and adjuster assembly).
B1020
B1021
OCCUPANT SENS
[UNIT FAIL]
B1018 The OCS sensor is malfunctioning.
1.
Visually check the wiring harness connec-
tions to the OCS sensors.
2.
Replace the harness if it has visible damage.
3.
Replace the OCS control unit and OCS sen-
sors (seat frame and adjuster assembly).
B1025
B1032
B1048
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 connec-
tions to the OCS control unit and the seat sub
harness.
2.
Replace the harness if it has visible damage.
3.
Replace the OCS control unit and OCS sen-
sors (seat frame and adjuster assembly).
4.
Replace the air bag diagnosis sensor unit.
AWHIA0357GB
SRC-88
< DTC/CIRCUIT DIAGNOSIS >
B1017, B1018, B1020, B1021, B1022, B1025, B1032, B1048 OCS SYSTEM
YES (Past DTC)>>GO TO 2.
NO
>> Inspection End.
2.
ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased?
YES
>> Inspection End.
NO
>> Refer to
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.
CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to
SRC-15, "Trouble Diagnosis without CONSULT"
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009269189
1.
HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
• Visible damage to connector or terminal
• Loose terminal
• Poor connection
NOTE:
All harness connectors should be inspected from the air bag diagnosis unit to the end component (including
any in-line connectors).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform one of the following repairs:
• Visible damage: Replace the harness.
• Loose terminal: Secure the terminal.
• Poor connection: Secure the connection.
2.
CONFIRM DTC
1. Reconnect all harness connectors.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 3
NO
>> Refer to
GI-45, "Intermittent Incident"
.
3.
WIRING HARNESS
Check the wiring harness for visible damage
NOTE
.
NOTE:
The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component
(including any in-line connectors).
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the harness.
4.
CONFIRM DTC
1. Reconnect all harness connectors.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
B1017, B1018, B1020, B1021, B1022, B1025, B1032, B1048 OCS SYSTEM
SRC-89
< DTC/CIRCUIT DIAGNOSIS >
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Is DTC still current?
YES
>> GO TO 5.
NO
>> Refer to
GI-45, "Intermittent Incident"
.
5.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-27, "Removal and Installation"
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 6.
NO
>> Clear DTC. Inspection End.
6.
REPLACE OCS CONTROL UNIT AND SENSORS
Replace the OCS control unit and OCS sensors (seat frame and adjuster assembly). Refer to
>> END
SRC-90
< DTC/CIRCUIT DIAGNOSIS >
B1209 – B1210 COLLISION DETECTION
B1209 – B1210 COLLISION DETECTION
Description
INFOID:0000000009269190
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-4, "Component Parts Location"
.
DTC Logic
INFOID:0000000009269191
DTC DETECTION LOGIC
With CONSULT
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
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009269192
or
SR-7, "For Side and Rollover Collision"
.
CONSULT name
DTC
DTC detecting condition
Repair order
FRONTAL COLLISION
DETECTION
B1209
Driver and/or front passenger air bag mod-
ules are deployed.
Refer to
.
SIDE COLLISION DE-
TECTION
B1210
Side and/or curtain air bag modules are
deployed.
Refer to
SR-7, "For Side and Rollover Collision"
.
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