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Vac Circuit Open Test

  1. If resistance is less than 30 ohms, go to VAC CIRCUIT SHORT TEST . If greater than 30 ohms, remove cruise control servo connector. Measure resistance between cruise control servo terminals "E" and "C". If resistance is greater than 55 ohms, replace cruise control servo.
  2. If resistance is less than 55 ohms, check for open in circuit No. 402 (Light Green) wire between module terminal "K" and cruise control servo terminal "E". Ensure cruise control servo terminal "C" connector is grounded.