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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1521 (Supplemental Restraint System) >> Trouble Diagnosis >> Trouble Diagnosis: "AIR BAG" Warning Lamp Does Not Turn Off >> Diagnostic Procedure 6

Diagnostic Procedure 6

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONDITION OF AIR BAG MODULE 

    Inspect for deployed air bag module or seat belt pre-tensioner.

    Is air bag module or seat belt pre-tensioner deployed?

  2. CHECK THE AIR BAG FUSE 

    Check 10A fuse [No. 13, located in the fuse block (J/B)].

    Refer to "POWER SUPPLY ROUTING CIRCUIT ".

    OK or NG

    • OK: GO TO 4.
    • NG: GO TO 3.
  3. CHECK AIR BAG FUSE AGAIN 

    Replace 10A fuse [No. 13, located in the fuse block (J/B)] and turn ignition switch ON.

    Does the fuse blow again?

    • Yes: Repair main harness.
    • No: Inspection End.
  4. CHECK DIAGNOSIS SENSOR UNIT 

    Connect CONSULT-II and touch "START (NISSAN BASED VHCL)".

    Fig 1: CONSULT-II Display - "SELECT SYSTEM" Mode
    G02447936Courtesy of NISSAN MOTOR CO., U.S.A.

    Is "AIR BAG" displayed on CONSULT-II?

    • Yes: GO TO 5.
    • No: Visually inspect the air bag diagnosis sensor unit harness connections. If the connections are OK, replace the air bag diagnosis sensor unit. Refer to "REMOVAL AND INSTALLATION ".
  5. CHECK HARNESS CONNECTION 

    Check for loose connections between the combination meter and the air bag diagnosis sensor unit.

    OK or NG

    • OK: Replace air bag diagnosis sensor unit. Refer to "REMOVAL AND INSTALLATION "
    • NG: Properly connect the combination meter and air bag diagnosis sensor unit harness connectors. If "AIR BAG" warning lamp still does not turn off, replace the wiring harness.