FixVault

LF Control Unit Inspection: Notes

WARNING: This page is about a different car, the 2024 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the front side trim. (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
  3. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  4. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (See TERMINAL VOLTAGE TABLE (REFERENCE) .)
    • If the voltage is not as specified in the terminal voltage table (See TERMINAL VOLTAGE TABLE (REFERENCE) .), inspect the parts under Inspection item(s).
      • If the system does not work normally even though the inspection items are normal, replace the LF control unit.