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Home >> Mazda >> 2003 >> Protege5 Automatic >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass/Windows/Mirrors >> Rear Window Defroster Switch Inspection

Rear Window Defroster Switch Inspection

  1. Remove the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL .)
  2. Inspect for continuity between the rear window defroster switch terminals using an ohmmeter.
    Fig 1: Inspecting Rear Window Defroster Switch (1 Of 2)
    G01915096Courtesy of MAZDA MOTORS CORP.
    Fig 2: Inspecting Rear Window Defroster Switch (2 Of 2)
    G01915097Courtesy of MAZDA MOTORS CORP.
  3. Connect battery positive voltage to terminal L and ground to terminal E.
  4. Turn the rear window defroster switch to ON.
  5. Verify that the LED illuminates.
    • If not as specified, replace the climate control unit.