FixVault
Home › Chevrolet › 2006 › Impala SS › Repair and Diagnosis › External Pages › Different car › Section 249 (Lighting Systems) › Diagnostic Information and Procedures › DTC B1395 › Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the headlamp switch.
  2. Ignition ON, test for B+ between the reference voltage circuit terminal 15 and ground.
    • If less than the specified value, test the voltage reference circuit for a short to ground or an open/high resistance. If the circuit test normal, replace the BCM.
  3. Ignition OFF, disconnect the (C3) harness connector at the BCM.
  4. Ignition ON, test the 12 volt reference circuit terminal 12 for a short to voltage.
  5. If all circuits test normal, replace the headlamp switch.
About FixVault