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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 905 (Rear Axle Controls) >> Diagnostic Information and Procedures >> Differential Lock Inoperative >> 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. 3. This step tests the ignition 1 voltage circuit for proper voltage.
  2. 4. This step tests the ground circuit for an open.
  3. 5. This step tests the axle actuator control circuit duty cycle.
  4. 6. This step tests the axle actuator control circuit for an open or short.
    Fig 1: Differential Lock Inoperative (1 Of 2)
    G01827348Courtesy of GENERAL MOTORS CORP.
    Fig 2: Differential Lock Inoperative (2 Of 2)
    G01827349Courtesy of GENERAL MOTORS CORP.
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