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Home >> Nissan-Datsun >> 2014 >> Altima Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> DTC/Circuit Diagnosis >> DTC B0029: Side Curtain Air Bag Module RH >> Diagnosis Procedure

Diagnosis Procedure

NOTE: Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using air bag warning lamp each time repair is finished. If malfunction is still observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.
  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 
    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 "INTERMITTENT INCIDENT ".

  3. WIRING HARNESS 

    Check the wiring harness for visible damageNOTE .

    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 "INTERMITTENT INCIDENT ".

  5. AIR BAG DIAGNOSIS SENSOR UNIT 
    1. Replace the air bag diagnosis sensor unit. Refer to "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 RH 
    1. Replace the side curtain air bag module RH. Refer to "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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