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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 904 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> Diagnostic System Check - SIR >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. This step tests to see if the AIR BAG indicator flashes seven times when the ignition is turned ON. The AIR BAG indicator should turn OFF after flashing 7 times.
  2. This step tests to see if the scan tool powers up.
  3. This step tests to see if the scan tool can communicate with the inflatable restraint sensing and diagnostic module (SDM).
  4. This step tests to see if there are current or history diagnostic trouble codes (DTCs) present.
  5. This step tests to see if there are communication DTCs, or U-codes, present.
  6. This step tests to see if an ECU Malfunction, DTC B1000, is present.
    Fig 1: Diagnostic System Check - SIR
    G01814760Courtesy of GENERAL MOTORS CORP.
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