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Home >> Chevrolet >> 2001 >> Chevy Express G2500, Van Cargo Extended, 6.5 F >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Trouble Shooting >> System Check

System Check

  1. Drive vehicle at a speed greater than 25 MPH. Move cruise control main switch to ON position. Press SET button once and release. Remove foot from accelerator pedal. If vehicle maintains set speed, go to next step. If vehicle does not maintain set speed, go to SYSTEM TESTS  .
  2. Hold slider switch in R/A position until vehicle speed increases 4-5 MPH. Vehicle should accelerate and maintain new set speed. Press SET button until vehicle speed decreases 4-5 MPH. If vehicle decelerates and maintains new set speed, go to next step. If vehicle does not decelerate and/or maintain new set speed, diagnose by symptom. See SYMPTOM INDEX  table under SYSTEM TESTS.
  3. Depress brake pedal slightly. Cruise control system should disengage. Press slider switch to R/A position once and then release. Vehicle should accelerate and maintain previously set speed. Press slider switch to R/A position once and then release. Vehicle should accelerate and maintain previously set speed. Quickly press and release (tap) R/A switch. Vehicle speed should increase one MPH. Quickly press and release (tap) SET button. Vehicle speed should decrease one MPH. If cruise control system operates as described, go to next step. If cruise control system does not operate as described, diagnose by symptom. See SYMPTOM INDEX  table under SYSTEM TESTS.
  4. Simultaneously press SET button and R/A switch. Cruise control system should disengage, but retain previously set speed in memory. Move main switch to OFF position. Cruise control system should disengage, and set speed should be erased from memory. If cruise control system operates as described, problem is intermittent. Go to PRELIMINARY INSPECTION  under TROUBLE SHOOTING. If cruise control system does not operate as described, go to SYSTEM TESTS  .
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