Nissan Sentra Service Manual: B00A0 OCS System
Description
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 monitor the OCS for failures and interruptions in communication between the OCS control unit and the air bag diagnosis sensor unit.
PART LOCATION
Refer to SRC-5, "Component Parts Location".
DTC Logic
DTC DETECTION LOGIC
With CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
- Turn ignition switch ON.
- Check for DTC using CONSULT.
Is the DTC detected? YES (Current DTC)>>Refer to SRC-102, "Diagnosis Procedure".
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 SRC-102, "Diagnosis Procedure".
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
- Turn ignition switch ON.
- Check the air bag warning lamp status. Refer to SRC-17, "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 SRC-102, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
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
- Reconnect all harness connectors.
- Turn ignition switch ON
- Check for DTC using CONSULT.
Is DTC still current? YES >> GO TO 3.
NO >> Refer to GI-39, "Intermittent Incident".
3.WIRING HARNESS
Check the wiring harness for visible damage.
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
- Reconnect all harness connectors.
- Turn ignition switch ON.
- Check for DTC using CONSULT.
Is DTC still current? YES >> GO TO 5.
NO >> Refer to GI-39, "Intermittent Incident".
5.REPLACE OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
- Replace the occupant classification control unit. Refer to SR-30, "Removal and Installation".
- Turn ignition switch ON
- Check for DTC using CONSULT.
Is DTC still current? YES >> GO TO 6.
NO >> Clear DTC. Inspection End.
6.AIR BAG DIAGNOSIS SENSOR UNIT
- Replace the air bag diagnosis sensor unit. Refer to SR-28, "Removal and Installation".
- Turn ignition switch ON.
- 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
B14XX Air bag diagnosis sensor unit
Description
DTC B14XX AIR BAG DIAGNOSIS SENSOR UNIT
The air bag diagnosis sensor unit will run self diagnostics when the ignition
switch is turned ON. It has the
potential to set many diagnostic ...
B00D5 Passenger air bag OFF Indicator
Description
DTC B00D5 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 th ...
Other materials:
Audible reminders
Brake pad wear warning
The disc brake pads have audible wear warnings.
When a disc brake pad requires replacement, it
makes a high pitched scraping sound when the
vehicle is in motion, whether or not the brake
pedal is depressed. Have the brakes checked as
soon as possible if the warning sou ...
Engine coolant temperature gauge
NOTE:
The ignition switch must be placed in the
ON position for the gauge to give a reading.
The gauge indicates the engine coolant temperature.
The engine coolant temperature is within the
normal range when the reading is within the zone
A shown in the illustration.
The engine coolan ...
Vin registration
Description
VIN Registration is an operation to registering VIN in ECM. It must be
performed each time ECM is replaced.
NOTE:
Accurate VIN which is registered in ECM may be required for Inspection &
Maintenance (I/M).
Work Procedure
1.CHECK VIN
Check the VIN of the vehicle and note it. ...
