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Nissan Rogue Service Manual: B0021 side curtain air bag module IH

DTC Logic

DTC DETECTION LOGIC

CONSULT name

DTC

DTC detecting condition

Repair order

CURTAIN AIRBAG MODULE LH CIRCUIT [OPEN] B0021 LH side curtain air bag module circuit is open. Refer to SRC-55, "Diagnosis Procedure".
CURTAIN AIRBAG MODULE LH CIRCUIT [VB-SHORT] LH side curtain air bag module circuit is shorted to a power supply circuit.
CURTAIN AIRBAG MODULE LH CIRCUIT [GND-SHORT] LH side curtain air bag module circuit is shorted to ground.
CURTAIN AIRBAG MODULE LH CIRCUIT [SHORT] LH side curtain air bag module circuits are shorted to each other.

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 SRC-55, "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-55, "Diagnosis Procedure".

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-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-55, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.HARNESS CONNECTOR

Visually inspect all applicable harness connectors for the following:

NOTE: All harness connectors should be inspected from the air bag diagnosis unit to the end component (including in-line connectors).

Is the inspection result normal? YES >> GO TO 2.

NO >> Perform one of the following repairs:

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-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

  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-41, "Intermittent Incident".

5.AIR BAG DIAGNOSIS SENSOR UNIT

  1.  Replace the air bag diagnosis sensor unit. Refer to SR-26, "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.SIDE CURTAIN AIR BAG MODULE LH

  1.  Replace the side curtain air bag module LH. Refer to SR-21, "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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