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Home >> Buick >> 2016 >> Cascada Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Unable to Contact OnStar Call Center >> Component Testing >> Coax Cable Test

Coax Cable Test

WARNING: This page is about a different car, the 2016 Chevrolet Malibu Limited. However, it is still accessible from the selected car via links, so may be relevant.
  1. Test for less than 5 Ω between the coax cable center terminal end to end.
    • If 5 Ω or greater 

      Replace the coax cable.

    • If less than 5 Ω 
  2. Test for greater than 5 Ω between the coax cable outer shield end to end.
    • If 5 Ω or greater 

      Replace the coax cable.

    • If less than 5 Ω 
  3. Test for infinite resistance between the coax cable center terminal and the coax cable outer shield.
    • If less than infinite resistance 

      Replace the coax cable.

    • If infinite resistance 
  4. All OK.