Nissan Leaf. Instruction — part 1120
B0098 FRONT DOOR SATELLITE SENSOR RH
SRC-81
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
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.
Is DTC still current?
YES
>> GO TO 5.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
5.
FRONT DOOR SATELLITE SENSOR RH
1. Replace the front door satellite sensor RH. Refer to
SR-35, "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.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-38, "Removal and Installation"
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 7.
NO
>> Clear DTC. Inspection End.
7.
RELATED HARNESS
Replace the related harness.
>> END
SRC-82
< DTC/CIRCUIT DIAGNOSIS >
B00A0 OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
B00A0 OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
Description
INFOID:0000000010877004
DTC B00A0 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-6, "Component Parts Location"
.
DTC Description
INFOID:0000000010877005
DTC DETECTION LOGIC
POSSIBLE CAUSE
OCCUPANT SENS
• [B00A0–00]
- Connection malfunction or short circuit to power supply of harness or connector
- Internal malfunction of occupant detection sensor
- Internal malfunction of air bag diagnosis sensor unit
• [B00A0–02, B00A0–09]
- Connection malfunction of harness and connector
- Internal malfunction of occupant detection sensor
- Internal malfunction of air bag diagnosis sensor unit
OCCUPANT SENS C/U
• [B00A0–04, B00A0–83, B00A0–86, B00A0–87, B00A0–88, B00A0–8F]
- Connection malfunction or open circuit of harness and connector
- Internal malfunction of occupant detection sensor control unit
- Internal malfunction of air bag diagnosis sensor unit
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B00A0–00
OCCUPANT SENS
[Occupant Classification
System (Subfault)]
[ABNORMAL VOLTAGE]
Power supply malfunction of occupant detection sensor
B00A0–02
[UNIT MALFUNC]
Malfunction of occupant detection sensor
B00A0–09
[UNIT MALFUNC]
Malfunction of occupant detection sensor
B00A0–04
OCCUPANT SENS C/U
[Occupant Classification
System (Subfault)]
[UNIT MALFUNC]
Malfunction of occupant detection sensor control unit
B00A0–83
[COMM ERR]
• Communication malfunction of occupant detection sensor con-
trol unit
• Communication blank of occupant detection sensor control
unit
B00A0–86
[COMM ERR]
• Communication malfunction of occupant detection sensor con-
trol unit
• Communication blank of occupant detection sensor control
unit
B00A0–87
[COMM ERR]
• Communication malfunction of occupant detection sensor con-
trol unit
• Communication blank of occupant detection sensor control
unit
B00A0–88
[COMM ERR]
• Communication malfunction of occupant detection sensor con-
trol unit
• Communication blank of occupant detection sensor control
unit
B00A0–8F
[UNDEFINED]
Undefined status of occupant detection sensor control unit
B00A0–93
[RESET]
Reset malfunction of occupant detection sensor control unit
B00A0 OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
SRC-83
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
• [B00A0–93]
- Connection malfunction of harness and connector
- Internal malfunction of occupant detection sensor control unit
- Internal malfunction of air bag diagnosis sensor unit
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.
CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check the DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to
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-11, "On Board Diagnosis Function"
.
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is the DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010944825
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 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-53, "Intermittent Incident"
.
SRC-84
< DTC/CIRCUIT DIAGNOSIS >
B00A0 OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
3.
WIRING HARNESS
Check the wiring harness for visible damage
NOTE:
The entire wiring harness should be inspected from the air bag diagnosis sensor to the end component
(including and 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.
Is DTC still current?
YES
>> GO TO 5.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
5.
REPLACE OCS CONTROL UNIT AND SENSORS
1. Replace the OCS control unit and sensors. Refer to
SR-42, "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.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-38, "Removal and Installation"
.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 7.
NO
>> Clear DTC. Inspection End.
7.
RELATED HARNESS
Replace the related harness
>> END.
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