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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 920 (SRS Airbag Control System) >> Symptom Diagnosis >> SRS Air Bag System >> "AIR BAG" Warning Lamp Does Not Turn On >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK METER FUSE 

    Check the 10A fuse [No. 14, located in the fuse block (J/B)].

    Is the fuse blown? 

    Yes: GO TO 2

    No: GO TO  3

  2. REPLACE METER FUSE AND CHECK AGAIN 

    Replace 10A fuse [No. 14, located in the fuse block (J/B)] and turn ignition switch ON.

    Does the fuse blow again? 

    Yes: Replace harness.

    No: Inspection End.

  3. CHECK HARNESS CONNECTIONS BETWEEN AIR BAG DIAGNOSIS SENSOR UNIT AND COMBINATION METER 

    Inspect the harness and connectors between the air bag diagnosis sensor unit and the combination meter.

    Do the harness or connectors have any visible damage? 

    Yes: Replace harness.

    No: GO TO 4

  4. CHECK COMBINATION METER 

    Disconnect the air bag diagnosis sensor unit harness connectors and turn ignition switch ON.

    Does "AIR BAG" warning lamp turn on? 

    Yes: Replace the air bag diagnosis sensor unit. Refer to "REMOVAL AND INSTALLATION ".

    No: Replace the combination meter. Refer to "REMOVAL AND INSTALLATION ".

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