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Verification Test

  1. Reconnect all components and connectors that have been disconnected. Connect DRB-II, if not already connected. Turn ignition switch to ON position with engine off. If DRB-II display is blank, perform TEST 1A.
  2. If DRB-II displays a bus failure message on DRB-II, perform bus failure message test displayed. See TEST 7A. If DRB-II displays NO RESPONSE for any vehicle equipped module, perform NO RESPONSE test. See TEST 20A.
  3. If DRB-II does not display NO RESPONSE for any vehicle equipped module, check vehicle to see if customer's originalcomplaint is present. If original customer complaint is present, retest system. If customer's original complaint is not present, repair is complete.
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