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Home >> Cadillac >> 1992 >> Seville Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Parameters >> Pcm Specific Override Codes >> ES07: Cruise Control Servo
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ES07: Cruise Control Servo

  1. Before testing, engine should be run to charge vacuum reservoir. Test conditions are transmission in Park or Neutral and engine off. With no buttons depressed, system remains at selected override.
  2. Depressing WARMER button will cause servo to retract. DIC panel display will change from 00 to 99. Depressing COOLER button will cause servo to extend. DIC panel display will change from 99 to 00.
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