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Circuit/System Testing

  1. Ignition OFF, disconnect the navigation antenna coaxial cable from the VCIM and the navigation antenna.
  2. Test for less than 5 ohms between the two ends of the coax cable center conductor.
    • If greater than the specified range, replace the antenna coax cable.
  3. Test for less than 5 ohms between the two ends of the coax cable outer shield.
    • If greater than the specified range, replace the antenna coax able.
  4. Test for infinite resistance between the antenna coax center conductor and the outer shield.
    • If less than the specified range, replace the antenna coax cable.
  5. If all circuits test normal, replace the navigation antenna.
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