LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1614 (Transfer Case - NVG 246-NP8 (Two Speed Automatic)) >> Diagnostic Information and Procedures >> Front Axle Will Not Disengage >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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. 2. This step tests the electrical function of the front axle actuator and helps determine mechanical and electrical malfunctions.
  2. 3. This step tests for proper voltage and ground at the front axle actuator.
  3. 4. This step tests the operation of the front axle actuator control circuit.
  4. 5. This step tests the electrical function of the front axle actuator control circuit.
  5. 6. This step tests for proper supply voltage to the front axle actuator.
  6. 7. This step tests for open fuse in the ignition 3 voltage circuit.
  7. 8. This step tests the front axle actuator control circuit for an open or high resistance.
  8. 9. This step tests the front axle actuator signal circuit for an open or high resistance.
  9. 10. This step helps determine if the front axle actuator has a mechanical malfunction.
  10. 11. This step tests the front axle switch circuit for a short to voltage.
  11. 12. This step inspects the front axle for a mechanical malfunction.
Fig 1: Front Axle Will Not Disengage (Steps 1-4)
G01481100Courtesy of GENERAL MOTORS CORP.
Fig 2: Front Axle Will Not Disengage (Steps 5-17)
G01481101Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals