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Brake Light Unit Inspection: Notes

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5] .)
  2. Perform the following procedure:
    1. Remove the following parts:
      1. Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION .)
      2. Rear side seat back (See REAR SIDE SEAT BACK REMOVAL/INSTALLATION .)
      3. Tire house trim (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
      4. C-pillar trim (See C-PILLAR TRIM REMOVAL/INSTALLATION .)
      5. High-mount brake light (See HIGH-MOUNT BRAKE LIGHT REMOVAL/INSTALLATION .)
    2. Fold the rear seat back.
    3. Remove the rear package trim. (See REAR PACKAGE TRIM REMOVAL/INSTALLATION .)
  3. Reconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5] .)
  4. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table.
    • If the voltage is not as indicated in the table, inspect the parts under Inspection item(s).
      • If the system does not work normally even though the parts or related wiring harnesses do not have any malfunction, replace the brake light unit. (See BRAKE LIGHT UNIT REMOVAL/INSTALLATION .)
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