LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2019 >> Bolt EV Premier >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1265 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2018 Chevrolet Bolt EV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle & All vehicle systems - Off - It may take up to 2 min for all vehicle systems to power down before an accurate ground or low reference circuit continuity test can be performed.
  2. Disconnect the electrical connector: X3 @ T3 Audio Amplifier
  3. Ignition - On/Vehicle - In Service Mode - A11 Radio - ON
  4. Verify a test lamp turns On between the test points: Control circuit terminal 8 & Ground
    • If the test lamp does not turn On 
    1. Ignition/Vehicle & All vehicle systems - Off
    2. Disconnect the electrical connector: X1 @ A11 Radio
    3. Test for infinite resistance between the test points: Control circuit terminal 8 & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • Go to next step: If infinite resistance
    4. Test for less than 2 ohms between the test points: Control circuit terminal 8 & The other end of the circuit
      • If greater than 2 ohms - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Replace the component: A11 Radio
    • Go to next step: If the test lamp turns On 
  5. Ignition/Vehicle & All vehicle systems - Off
  6. Connect the electrical connector: X3 @ T3 Audio Amplifier
  7. Ignition - On/Vehicle - In Service Mode - A11 Radio - ON
  8. Verify DTC B1265 is not set.
    • If DTC B1265 is set 

      Replace the component: T3 Audio Amplifier

    • Go to next step: If DTC B1265 is not set 
  9. All OK.
scientia non olet · About LEMON Manuals