Nissan Rogue Service Manual: B00A0 OCS system

Nissan Rogue Service Manual / Restraints / SRS Airbag Control System / DTC/circuit diagnosis / B00A0 OCS system

Description

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 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-6, "Component Parts Location".

DTC Logic

DTC DETECTION LOGIC

With CONSULT

CONSULT name	DTC	DTC detecting condition	Repair order
OCCUPANT DETECTION SENSOR UNIT [UNIT FAIL]	B00A0	The OCS control unit is malfunctioning.	Refer to SRC-87, "Diagnosis Procedure".
OCCUPANT DETECTION SENSOR UNIT [NO DATA]
OCCUPANT DETECTION SENSOR UNIT [UNDEFINED]
OCCUPANT DETECTION SENSOR UNIT [RESET FAIL
OCCUPANT DETECTION SENSOR [UNIT FAIL]		The OCS sensor is malfunctioning.
OCCUPANT DETECTION SENSOR [POWER FAIL]		The OCS sensor circuit is malfunctioning.
OCCUPANT DETECTION SENSOR UNIT [COMM FAIL]		Communication between the OCS control unit and the air bag diagnosis sensor unit is interrupted.

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-87, "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-87, "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-16, "On Board Diagnosis Function".

NOTE: SRS will not enter diagnosis mode if no malfunction is detected in user mode. Is the DTC detected? YES >> Refer to SRC-87, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

Recheck SRS after each corrective action.

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-41, "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-41, "Intermittent Incident".

5.REPLACE OCCUPANT DETECTION SYSTEM CONTROL UNIT

Replace the occupant detection system 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-26, "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

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