Nissan Rogue Service Manual: B0001, B0002 driver airbag module

Nissan Rogue Service Manual / Restraints / SRS Airbag Control System / DTC/circuit diagnosis / B0001, B0002 driver airbag module

DTC Logic

DTC DETECTION LOGIC

CONSULT name	DTC	DTC detecting condition	Repair order
DRIVER AIRBAG MODULE CIRCUIT [OPEN]	B0001	Driver air bag module circuit (DR1) is open (including the spiral cable).	Refer to SRC-47, "Diagnosis Procedure".
DRIVER AIRBAG MODULE CIRCUIT [VB-SHORT]		Driver air bag module circuit (DR1) is shorted to a power supply circuit (including the spiral cable).
DRIVER AIRBAG MODULE CIRCUIT [GND-SHORT]		Driver air bag module circuit (DR1) is shorted to ground (including the spiral cable).
DRIVER AIRBAG MODULE CIRCUIT [SHORT]		Driver air bag module circuits (DR1) are shorted to each other (including the spiral cable)
DRIVER AIRBAG MODULE 2ND CIRCUIT [OPEN]	B0002	Driver air bag module circuit (DR2) is open (including the spiral cable).
DRIVER AIRBAG MODULE 2ND CIRCUIT [VB-SHORT]		Driver air bag module circuit (DR2) is shorted to a power supply circuit (including the spiral cable
DRIVER AIRBAG MODULE 2ND CIRCUIT [GND-SHORT]		Driver air bag module circuit (DR2) is shorted to ground (including the spiral cable).
DRIVER AIRBAG MODULE 2ND CIRCUIT [SHORT]		Driver air bag module circuits (DR2) are shorted to each other (including the spiral cable).

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-47, "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-47, "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-47, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

WARNING:

Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
Never use unspecified tester or other measuring device.

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.CHECK SPIRAL CABLE CIRCUIT

Turn ignition switch OFF.
Disconnect driver air bag module harness connector and combination switch (spiral cable) harness connector.
Check continuity between driver air bag module harness connector and combination switch (spiral cable) harness connector.

Check spiral cable circuit

Check continuity between driver air bag module harness connector and ground.

Check spiral cable circuit

Is the inspection result normal? YES >> GO TO 5.

NO >> Replace combination switch (spiral cable). Refer to SR-15, "Removal and Installation".

5.CONFIRM DTC

Reconnect all harness connectors.
Turn ignition switch ON.
Check for DTC using CONSULT.

Is DTC still current? YES >> GO TO 6.

NO >> Refer to GI-41, "Intermittent Incident".

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.DRIVER AIR BAG MODULE

Replace the driver air bag module. Refer to SR-12, "Removal and Installation".
Turn ignition switch ON.
Check for DTC using CONSULT.

Is DTC still current? YES >> GO TO 8.

NO >> Clear DTC. Inspection End.

8.RELATED HARNESS

Replace the related harness.

>> END

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