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Home >> Subaru >> 1991 >> XT Standard >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Trouble Shooting >> Cancel Function Inoperative >> Checking Main Components
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Checking Main Components

  1. Replace cruise control unit with a known good unit. Recheck cruise control operation. If cruise control operates, replace cruise control unit. If cruise control does not operate, reinstall old cruise control unit.
  2. Replace actuator with a known good actuator. Recheck cruise control operation. If cruise control operates, replace actuator. If cruise control does not operate, reinstall old actuator.
  3. Replace valve assembly with a known good assembly. Recheck cruise control operation. If cruise control operates, replace valve assembly. If cruise control does not operate, reinstall old valve assembly.
  4. Replace pump with a known good pump. Recheck cruise control operation. If cruise control operates, replace pump. If cruise control does not operate, check wiring, connections and vacuum hoses.
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