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Home >> Jeep >> 1996 >> Cherokee Classic, Part Time, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.0L >> Diagnostic Trouble Code (DTC) Identification >> Test VER-4A - Speed Control Verification
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Test VER-4A - Speed Control Verification

  1. Inspect vehicle to ensure all engine components are connected. Reassemble and reconnect components as necessary. If Powertrain Control Module (PCM) has been changed, go to next step. If PCM has not been changed, go to step 3).
  2. Connect scan tool to PCM data link connector. If vehicle is not equipped with factory Vehicle Theft Security System (VTSS), go to next step. If vehicle is equipped with VTSS, start vehicle at least 20 times so VTSS can be activated when desired. Using scan tool, erase DTCs and go to next step.
  3. To ensure no speed control system problem exists, road test vehicle at a speed more than 35 MPH. Turn Speed Control (S/C) ON/OFF switch on. Depress and release SET switch. If S/C does not engage, repair is not complete. Check for related Technical Service Bulletins (TSBs) and return to DTC TEST  if necessary. If speed control engages, go to next step.
  4. Quickly depress and release RESUME/ACCEL switch. If vehicle speed does not increase by 2 MPH, repair is not complete. Check for related TSBs and return to DTC TEST if necessary. If vehicle speed increases by 2 MPH, go to next step.
  5. Using caution, depress and release brake pedal. If S/C does not disengage, repair is not complete. Check for related TSBs and return to DTC TEST  if necessary. If S/C disengages, go to next step.
  6. Increase vehicle speed to 35 MPH. Depress RESUME/ACCEL switch. If vehicle does not resume original speed, repair is not complete. Check for related TSBs and return to DTC TEST  if necessary. If vehicle resumes original speed, go to next step.
  7. Hold SET switch down. If vehicle speed does not decrease, repair is not complete. Check for related TSBs and return to DTC TEST if necessary. If vehicle speed decreases, go to next step.
  8. Ensure vehicle speed is more than 35 MPH. Release SET switch. If vehicle speed does not adjust and set at a new vehicle speed, repair is not complete. Check for related TSBs and return to DTC TEST  if necessary. If vehicle speed adjusts and sets at a new vehicle speed, go to next step.
  9. Turn ON/OFF switch off. If S/C does not disengage, repair is not complete. Check for related TSBs and return to DTC TEST  if necessary. If S/C disengages, system is operating correctly. Repair is complete.
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