Nissan Frontier. Instruction — part 1171
B1023 PASSENGER AIR BAG OFF INDICATOR
SRC-49
< DTC/CIRCUIT DIAGNOSIS >
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B1023 PASSENGER AIR BAG OFF INDICATOR
Description
INFOID:0000000009480004
DTC B1023 FRONT PASSENGER AIR BAG OFF INDICATOR
The front passenger air bag off indicator is wired to the air bag diagnosis sensor unit. The air bag diagnosis
sensor unit monitors the front passenger air bag off indicator and circuit for failures.
PART LOCATION
SRC-7, "SRS Component Parts Location"
DTC Logic
INFOID:0000000009480005
DTC DETECTION LOGIC
With 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
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, "Self-Diagnosis Function (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:0000000009480006
1.
HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
• Visible damage to connector or terminal
• Loose terminal
• Poor connection
CONSULT name
DTC
DTC detecting condition
Repair order
PASS A/B INDCTR CKT
B1023
Front passenger air bag off indicator is
malfunctioning.
1.
Visually check the wiring harness connection.
2.
Replace the harness if it has visible damage.
3.
Replace the front passenger air bag off indi-
cator.
4.
Replace the air bag diagnosis sensor unit.
5.
Replace the related harness.
SRC-50
< DTC/CIRCUIT DIAGNOSIS >
B1023 PASSENGER AIR BAG OFF INDICATOR
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-42, "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.
Is DTC still current?
YES
>> GO TO 5
NO
>> Refer to
GI-42, "Intermittent Incident"
.
5.
PASSENGER AIR BAG OFF INDICATOR
1. Replace the passenger air bag off indicator. Refer to
IP-15, "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-23, "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
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-51
< DTC/CIRCUIT DIAGNOSIS >
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B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
Description
INFOID:0000000009480007
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:0000000009480008
DTC DETECTION LOGIC
With 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
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, "Self-Diagnosis Function (Without CONSULT)"
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
CONSULT name
DTC
DTC detecting condition
Repair order
OCCUPANT SENS C/U
[UNIT FAIL]
B1017 The OCS control unit is malfunctioning.
1.
Replace the OCS control unit.
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 connec-
tions to the OCS control unit and the seat sub-
hasrness.
2.
Replace the harness if it has visible damage.
3.
Replace the OCS control unit.
4.
Replace the air bag diagnosis sensor unit.
SRC-52
< DTC/CIRCUIT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009480009
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 sensor 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-42, "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.
Is DTC still current?
YES
>> GO TO 5.
NO
>> Refer to
GI-42, "Intermittent Incident"
.
5.
REPLACE OCS CONTROL UNIT
1. Replace the OCS control unit. Refer to
SR-25, "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-23, "Removal and Installation"
.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
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