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Set speed will not resume when the resume/accel switch is pressed (with the cruise control main switch turned on, and set speed temporarily canceled by pressing the brake pedal)

Diagnostic procedure
  1. Do the cruise control input test. Test the cruise control resume/accel switch signal input. Test the brake pedal position switch signal input.
Also check for
  • Faulty brake pedal position switch
  • Open circuit, loose or disconnected terminals: LT GRN/BLK, BLU wire