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Home >> Chevrolet >> 2013 >> Orlando LS, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B1265 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, radio OFF, remove the radio B+ fuse. Disconnect the X1 harness connector at the P17 Info Display Module.
  2. Install the radio B+ fuse. Ignition ON, A11 Radio ON.
  3. Verify that a test lamp illuminates between the control circuit terminals listed below and ground:
    • terminal 6
    • terminal 7
    • If the test lamp does not illuminate. 
    1. Ignition OFF. Disconnect the X1 harness at the A11 Radio.
    2. Test for infinite resistance between the control circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance.
    3. Test for less than 2 Ω in the control circuit end to end.
      • If greater than 2 Ω, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the A11 Radio.
    • If the test lamp illuminates. 
  4. Ignition OFF. Connect the X1 harness connector at the P17 Info Display Module.
  5. Ignition ON, A11 Radio ON.
  6. Verify that DTC B1265 is NOT set.
    • If DTC B1265 is set. 

      Replace the P17 Info Display Module.

    • If DTC B1265 is not set. 
  7. All OK.
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