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Home >> Chevrolet >> 2008 >> HHR SS, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Cellular Systems, Entertainment Systems & Navigation Systems) >> Diagnostic Information and Procedures >> DTC B2462 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2010 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the navigation antenna coax cable from the CIM.
  2. Ignition ON, test for 4.5-5.5 V between the CIM coax cable center conductor terminal at the module and ground.
    • If not within the specified range, replace the CIM.
  3. Reconnect the coax cable to the CIM. Disconnect the coax cable from the navigation antenna.
  4. Test for 4.5-5.5 V between the coax cable center conductor and the outer shield.
    • If not within the specified range, replace the coax cable.
  5. If all circuits test normal, replace the navigation antenna.
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