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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (SRS Airbag Control System (DTCS)) >> DTC/Circuit Diagnosis >> DTC B0091: Side Air Bag Satellite Sensor LH >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 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 sensor 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 

    SYMBOL CONSULT

    1. Reconnect all harness connectors.
    2. Turn ignition switch ON.
    3. Check DTC.

    Is DTC still current?

    YES

    GO TO 3 .

    NO

    Refer to 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 

    SYMBOL CONSULT

    1. Reconnect all harness connectors.
    2. Turn ignition switch ON.
    3. Check DTC.

    Is DTC still current?

    YES

    GO TO 5 .

    NO

    Refer to Intermittent Incident .

  5. SIDE AIR BAG SATELLITE SENSOR LH 

    SYMBOL CONSULT

    1. Replace the side air bag satellite sensor LH. Refer to Removal and Installation - Crew Cab Models .
    2. Turn ignition switch ON.
    3. Check DTC.

    Is DTC still current?

    YES

    GO TO 6 .

    NO

    Clear DTC. Inspection End.

  6. AIR BAG DIAGNOSIS SENSOR UNIT 

    SYMBOL CONSULT

    1. Replace the air bag diagnosis sensor unit. Refer to Removal and Installation .
    2. Turn ignition switch ON.
    3. Check DTC.

    Is DTC still current?

    YES

    GO TO 7 .

    NO

    Clear DTC. Inspection End.

  7. RELATED HARNESS 

    Replace the related harness.

    Inspection End.

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