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Rear Defogger Relay Circuit: Inspection

WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check rear defogger relay (See  INSPECTION  ) 
    1. NG: Replace the rear the defogger relay. 
    2. OK: Go to next step. 
  2. Check front defogger relay (See  INSPECTION  ) 
    1. NG: Replace the rear defogger relay. 
    2. OK: Go to next step. 
  3. Check wire harness and connector between rear defogger relay and body ECU, front defogger relay and body ECU. 
    1. NG: Repair or replace wire harness or connector. 
    2. OK: Go to next step. 

      Proceed to next circuit inspection shown on problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ). 

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