2002 Chrysler Neon R/TFACTORY OEM SERVICE PROCEDURE

Powertrain Verification Test VER-4

NOTE: For component location, see COMPONENT LOCATIONS  . For connector terminal identification, see CONNECTOR IDENTIFICATION  . For circuit identification and wiring diagram, see appropriate WIRING DIAGRAMS article.
  1. If the Powertrain Control Module (PCM) has been replaced and the correct vehicle mileage and Vehicle Identification Number (VIN) have not been programmed, a Diagnostic Trouble Code (DTC) will be set in Controller Anti-Lock Brake (CAB), Air Bag Control Module (ACM) and Sentry Key Immobilizer Module (SKIM). See POWERTRAIN CONTROL MODULE  under PROGRAMMING.
  2. If vehicle is equipped with SKIM, secret key data must be updated to enable engine starting. See SENTRY KEY IMMOBILIZER MODULE  under PROGRAMMING.
  3. Inspect vehicle to ensure all engine components are connected properly.
  4. With DRBIII(R), clear DTCs.
  5. Turn the speed control ON (cruise light will be on).
  6. Road test vehicle. Press and release the SET switch. If the speed control did not engage, the repair is not complete. Refer to any Technical Service Bulletin (TSB) that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  7. Press and hold the RESUME/ACCEL switch. If the vehicle speed did not increase by at least 2 mph, the repair is not complete. Check for any TSB that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  8. Press and hold the COAST switch. The vehicle speed should decrease. If it did not decrease, the repair is not complete. Check for any TSB that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  9. Using caution, press and release the brake pedal. If the speed control did not disengage, the repair is not complete. Check for any TSB that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  10. Bring the vehicle speed back up to 35 MPH.
  11. Press the RESUME/ACCEL switch. If the speed control did not return to the previously set speed, the repair is not complete. Check for any TSB that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  12. Hold down the SET switch. If the vehicle did not decelerate, the repair is not complete. Check for any TSB that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  13. Ensure vehicle speed is more than 35 mph and release the SET Switch. If vehicle did not adjust and set a new vehicle speed, the repair is not complete. Check for any TSB that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  14. Press and release the CANCEL switch. If the speed control did not disengage, the repair is not complete. Check for any TSB that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  15. Bring the vehicle speed to more than 35 MPH and engage speed control.
  16. Press the OFF switch (cruise light will be off). If the speed control did not disengage, the repair is not complete. Check for any TSB that pertains to speed control problem and then, if necessary, repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
  17. If the vehicle successfully passed all of the previous tests, the speed control system is now functioning as designed. The repair is now complete. Did the speed control pass the above tests? If yes, repair is complete. If no, repair is not complete. Repair speed control system as necessary. See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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