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Auto-Dimming Mirror Inspection: Notes

WARNING: This page is about a different car, the 2011 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the voltage at each terminal (other than terminal F.)
  2. Disconnect the negative battery cable.
  3. Inspect the auto-dimming mirror connector for continuity at terminal F.
  4. If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the auto-dimming mirror.