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Home >> Chevrolet >> 2009 >> Impala SS >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC B1517 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connectors at the BCM.
  2. Ignition OFF, test for less than 3.0 ohms between the ground circuit terminal 9 X4 and ground.
    • If not within the specified range, test the ground circuit for an open/high resistance.
  3. Ignition On, verify a test lamp illuminates between the B+ circuits terminals listed below and ground.
    • Terminal 3 X3
    • Terminal 10 X4
    • If the test lamp did not illuminate, test the appropriate B+ circuit for a short to ground or an open/high resistance.
  4. If all circuits test normal, replace the BCM.
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