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Home >> Chevrolet >> 2015 >> Impala Limited LS >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> DTC B3265: Trunk Release >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the TRUNK relay.
  2. Test for less than 1 Ω between the ground circuit terminal 85 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Connect a test lamp between the control circuit terminal 86 and the ground circuit terminal 85.
  4. Ignition ON, command the Trunk Release with a scan tool. The test lamp should turn briefly illuminate during the RELEASE command.
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the BCM.
    • If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
  5. If all circuits test normal, test or replace the TRUNK relay.
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