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Ground Plate Disconnection/Connection

  1. Switch the ignition OFF.
  2. Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(US)] .)
  3. Lift up the vehicle.
  4. Remove the following parts.
    1. Tunnel cover (See EXHAUST SYSTEM REMOVAL/INSTALLATION [VIN 7/VIN L] .)
    2. Gusset (See FRONT CROSSMEMBER REMOVAL/INSTALLATION [(US)] .)
    3. Floor under cover No. 1 (RH) (See FLOOR UNDER COVER REMOVAL/INSTALLATION .)
  5. Open the terminal cover (negative side).
    G14584687Courtesy of MAZDA MOTORS CORP.
  6. Remove the nut and bolt shown in the figure and remove the ground plate.
    Fig 1: Ground Plate, Nut And Bolt With Torque Specification
    G14584688Courtesy of MAZDA MOTORS CORP.
  7. Open the terminal cover (positive side).
    G14584689Courtesy of MAZDA MOTORS CORP.
  8. Verify that the generation of voltage does not occur using a tester.
    G14584690Courtesy of MAZDA MOTORS CORP.
    • If voltage is applied, go to the next step being careful not to cause a short circuit.
  9. Close the terminal cover (negative side).
    G14584691Courtesy of MAZDA MOTORS CORP.
  10. Remove the nut shown in the figure and disconnect the positive terminal.
    Fig 2: Positive Terminal And Nut With Torque Specification
    G14584692Courtesy of MAZDA MOTORS CORP.
  11. Close the terminal cover using the following procedure.
    1. Open the terminal cover (negative side).
      G14584693Courtesy of MAZDA MOTORS CORP.
    2. Close the terminal cover (positive side).
    3. Close the terminal cover (negative side).
  12. Connect in the reverse order of disconnection.
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