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Home >> Saturn >> 2007 >> Sky Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B2483 or B2484 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Using a DMM to measure the resistance of the navigation antenna coax from the center conductor to the outer shield while the antenna is still connected will damage the navigation antenna.
IMPORTANT: The vehicle may be equipped with sectioned coax. Test each section and replace only the faulty section, not the entire length of coax.
  1. Disconnect the navigation antenna coax connector from the navigation antenna.
  2. Test for infinite resistance between the center conductor of the coax to the metal outer shield.
    • If not specified value, replace the navigation antenna coax.
  3. Test for less than 1 ohm resistance of navigation antenna coax connector from end to end.
    • If not specified value, replace the navigation antenna coax.
  4. If cellular antenna coax tests normal, test or replace the VCIM.