2002 Chrysler Neon LX, AutomaticFACTORY OEM SERVICE PROCEDURE

Powertrain Verification Test VER-2

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 the vehicle to ensure that all components related to the repair are connected properly.
  4. With the DRBIII(R), clear DTCs, then select Reset Memory All Engine Values.
  5. Run the engine for one warm-up cycle to verify proper operation.
  6. Road test the vehicle. Use all accessories that may be related to this repair.
  7. With the DRBIII(R), confirm that no DTCs or Secondary Indicators are present and that all components are functioning properly
  8. If this test is being performed after a no trouble code test, verify the symptom is no longer present.
  9. If symptom is still present or any other symptom or DTC is present, go to TROUBLE SHOOTING - NO CODES - CARS - EXCEPT SEBRING COUPE & STRATUS COUPE article or perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  .
  10. Refer to any Technical Service Bulletin (TSB) that may apply.
  11. If there are no DTCs present and all components are functioning properly, the repair is complete. Are any DTCs present? If yes, repair is not complete. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  . If no, repair is complete.
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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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